Conference Announcements / Conferences' Proceedings

Presentations in International and National Conferences, Colloquia and Publications in Conferences' Proceedings


1. The far UV spectrum of AX Monocerotis. Proceedings 1st HELAS-Hellenic Astronomical Conference, Athens, 21-23 September 1993. P.G. Laskarides (ed). Laskarides, Ε. Theodossiou and E. Danezis.
2. The UV spectrum of λ Orionis, Proceedings of the 6th Hellenic Physics Conference. Komotini, 1993, Ε. Theodossiou, P.G. Laskarides and Ε. Danezis.
3. A study of the shell structure of the binary system AX Monocerotis. Proceedings of the 6th Hellenic Physics Conference. Komotini, 1993, P.G. Laskarides, Ε. Danezis and Ε. Theodossiou.
4. The offering of Newton to the development of Physics and Mathematics International Scientific Symposium: "The Newtonian Physics and its spread to the Balcanian area". National Hellenic Research Foundation, Athens, December 17-18, 1993. Ε. Theodossiou and Ε. Danezis.
5. The evolution of the Newtonian ideas about velocity till today. International Scientific Conference: "The Newtonian Physics and its spread to the Balcanian area". National Hellenic Research Foundation, Athens, December 17-18. Danezis, E. and Theodossiou, E., 1993.
6. A first approach to the shell structure of the Be binary stars. Proceedings of the 2nd HELAS-Hellenic Astronomical Conference. Thessalonica, June 29-July 1, 1995, Ε. Danezis, E. Theodossiou and P.G. Laskarides.
7. The UV spectrum of HD 175754. Proceedings of the 2nd HELAS-Hellenic Astronomical Conference. Thessaloniki, June 29-July 1, 1995, Μ. Stathopoulou, Ε. Danezis, P.G. Laskarides and Ε. Theodossiou.
8. The contribution of the French thought to the Calendar Reform-The Calendier Rebublicaine, International Bissextilia 1996. Old University of Athens, 29 February Theodossiou, E. (invited talk).
9. Ten years of experience from compulsory course and Laboratories in Astrophysics for the students of Physics Department. IAU Colloquium No 162: "New Trends in Astronomy Teaching". University College London and the Open University. London, 1996, July 8-12, Μ. Kontizas, Ε. Danezis, E. Theodossiou, Χ. Moussas.
10. A study of the superionized spectral lines of the star HD 66811. Proceedings of the 3rd Hellenic and the 6th European Joint Conference, JENAM 1997. Thessalonica, Greece, 2-5 July 1997, E. Danezis, M. Stathopoulou, E. Theodossiou, Th. Grammenos and A. Kosionidis.
11. A study of the superionized spectral lines of the star HD 164794. Proceedings of the 3rd Hellenic and the 6th European Joint Conference, JENAM 1997. Thessalonica, Greece, 2-5 July 1997, Ε. Danezis, Μ. Stathopoulou, Ε. Theodossiou, Τh. Grammenos and A. Soulikias.
12. A study of the superionized spectral lines of the star HD 152408. Proceedings of the 3rd Hellenic and the 6th European Joint Conference, JENAM 1997. Thessaloniki, Greece, 2-5 July 1997, M. Stathopoulou, E. Danezis, E. Theodossiou, Th. Grammenos and A. Soulikias.
13. A study of the superionized spectral lines of the star HD 36861. Proceedings of the 3rd Hellenic and the 6th European Joint Conference, JENAM 1997. Thessalonica, Greece, 2-5 July 1997, E. Theodossiou, P.G. Laskarides, M. Stathopoulou, E. Danezis and Th. Grammenos.
14. The Macedonian Calendar in Macedonia. Proceedings of the 3rd Hellenic and the 6th European Joint Astronomical Conference, JENAM 1997. Thessalonica, Greece, 2-5 July 1997. E. Theodossiou, E. Danezis, Th. Grammenos. and M. Stathopoulou.
15. The Macedonian Calendars in Macedonia during the Roman Occupation. Proceedings of the 3rd Hellenic and the 6th European Joint Astronomical Conference, JENAM 1997. Thessaloniki, Greece, 2-5 July 1997. E. Theodossiou, E. Danezis, Th. Grammenos and M. Stathopoulou.
16. The Macedonian Calendars outside Macedonia. Proceedings of the 3rd Hellenic and the 6th European Joint Astronomical Conference, JENAM 1997. Thessaloniki, Greece, 2-5 July 1997. E. Theodossiou, E. Danezis, Th. Grammenos and M. Stathopoulou.
17. A presocratic cosmological proposal. Proceedings of the 3rd Hellenic and the 6th European Joint Astronomical Conference, JENAM 1997. Thessalonica, Greece, 2-5 July 1997. E. Danezis, E. Theodossiou, Th. Grammenos and M. Stathopoulou.
18. Cosmological implications on the "Hexameron" of St. Basilius". Proceedings of the 3rd Hellenic and the 6th European Joint Astronomical Conference, JENAM 1997. Thessalonica, Greece, 2-5 July 1997. E. Danezis, E. Theodossiou, Th. Grammenos and M. Stathopoulou.
19. Long Term BV Photometry and spot modelling of the contact system VW Cephei. International Conference on Variable Star Research. 7-9 November 1997. Brno, Czech Republic. P.G. Niarchos, L. Hric, V.N. Manimanis and E. Theodossiou.
20. BV Photometry and spot modelling of AG Virginis. Proceedings of the 65th Czech and the 7th European Joint Conference, JENAM 1998. Prague, Czech Republic, September 1998. P.G. Niarchos, V.N. Manimanis, L. Hric, E. Theodossiou.
21. Satellite spectral components and moving shells in the atmospheres of early type stars (The example of HD 175754). Proceedings of the 65th Czech and the 7th European Joint Conference, JENAM 1998. Prague, Czech Republic. September 98. E. Danezis, D. Nikolaidis, E. Theodossiou and M. Stathopoulou.
22. A simple model for the complex structure of moving atmospheric shells in Oe and Be stars. Proceedings of the 4th HELAS-Hellenic Astronomical Conference, Samos, Greece, 16-18 September 1999 E. Danezis, D. Nikolaidis, E. Theodossiou, Th. Grammenos and M. Stathopoulou and A. Kosionidis.
23. From Pythagoreans to Kepler. Earth does not occupy the center of our Universe. Proceedings of the 4th HELAS-Hellenic Astronomical Conference, Samos, Greece, 16-18 September 199. E. Theodossiou, E. Danezis, Th. Grammenos and M. Stathopoulou.
24. Democritus' Cosmological proposals and Modern Physics. Proceedings of the 4th HELAS-Hellenic Astronomical Conference, Samos, Greece, 16-18 September 1999. E. Danezis, E. Theodossiou, Th. Grammenos and M. Stathopoulou.
25. Ancient Macedonia and its calendars. Proceedings of the 9th European and 5th Euro-Asian Astronomical Society Conference JENAM 2000, Astronomy of Ancient Civilizations. Moscow, Russia, May 29-June 3, 2000. E. Theodossiou, E. Danezis, Th, Grammenos and V.N. Manimanis.
26. The calendars of the Christian World. Proceedings of the 9th European and 5th Euro-Asian Astronomical Society Conference JENAM 2000, Astronomy of Ancient Civilizations. Moscow, Russia, May 29-June 3, 2000. E. Theodossiou, E. Danezis and V.N. Manimanis.
27. The Ibo's seasonal calendar. Proceedings of the 9th European and 5th Euro-Asian Astronomical Society Conference JENAM 2000, Astronomy of Ancient Civilizations. Moscow, Russia, May 29-June 3, 2000. E. Theodossiou, E. Danezis and V.N. Manimanis.
28. The Cosmological Views of Democritus and Modern Physics. Proceedings of the 9th European and 5th Euro-Asian Astronomical Society Conference JENAM 2000, Astronomy of Ancient Civilizations. Moscow, Russia, May 29-June 3, 2000. E. Danezis, E. Theodossiou, V.N. Manimanis, Th. Grammenos and M. Stathopoulou.
29. From Pythagoreans to Kepler. The contest between the Geocentric and Heliocentric System. Proceedings of the 9th European and 5th Euro-Asian Astronomical Society Conference JENAM 2000, Astronomy of Ancient Civilizations. Moscow, Russia, May 29-June 3, 2000. E. Theodossiou, E. Danezis and V.N. Manimanis.
30. The calendars in Russia after the adoption of Christianity. Proceedings of the 9th European and 5th Euro-Asian Astronomical Society Conference JENAM 2000, Astronomy of Ancient Civilizations. Moscow, Russia, May 29-June 3, 2000. E. Theodossiou, E. Danezis and V.N. Manimanis.
31. Applications of a new model for the atmospheric structure of Oe and Be stars. The case of HD 36861. Proceedings of the 9th European and 5th Euro-Asian Astronomical Society Conference JENAM 2000, Moscow, Russia, May 29-June 3, 2000, E. Danezis, E. Theodossiou, D. Nikolaidis, M. Stathopoulou, E. Lyratzi and A. Kosionidis.
32. Applications of a new model for the atmospheric structure of Oe and Be stars. The case of HD 152408. Proceedings of the 9th European and 5th Euro-Asian Astronomical Society Conference JENAM 2000, Moscow, Russia, May 29-June 3, 2000, E. Danezis, D. Nikolaidis, E. Theodossiou, M. Stathopoulou, A. Kosionidis and E. Lyratzi.
33. Applications of a new model for the atmospheric structure of Oe and Be stars. The case of HD 66811. Proceedings of the 9th European and 5th Euro-Asian Astronomical Society Conference JENAM 2000, Moscow, Russia, May 29-June 3, 2000, E. Danezis, M. Stathopoulou, E. Theodossiou, D. Nikolaidis, E. Lyratzi and A. Kosionidis.
34. A final consideration of the developing velocity fields in the gaseous envelope of the star HD 50138. Proceedings of the 5th HELAS-Hellenic Astronomical Conference, 20-22 September 2001, Crete, Greece. E. Danezis, A. Kyriakopoulou, D. Nikolaides, E. Theodossiou, M. Stathopoulou, E. Lyratzi and A. Kossionides.
35. Phenomena of hyperionization and emission in the gaseous envelope of the star HD 66811 (ζ Puppis). Proceedings of the 5th HELAS-Hellenic Astronomical Conference, 20-22 September 2001, Crete, Greece. E. Danezis, G. Christou, E. Theodossiou, M. Stathopoulou, D. Nikolaides, E. Lyratzi, C. Drakopoulos, P. Bourma and A. Soulikias.
36. La mesure du temps et les Constellations. International Bissextilia 2000. Time and Figures of Normalization. International Scientific Symposium, September 29-30, 2000, Anargirios and Corgialenios School of Spetses-Greece (invited talk). E. Theodossiou.
37. Time-space alterations-Bubbles of energy- matter. International Bissextilia 2000. "Time and Figures of Normalization". International Scientific Symposium, September 29-30, 2000, Anargirios and Corgialenios School of Spetses-Greece (invited talk). E. Theodossiou.
38. La probleme de la nature du temps. International Bissextilia 2000. Time and Figures of Normalization. International Scientific Symposium, September 29-30, 2000, Anargirios and Corgialenios School of Spetses-Greece (invited talk). E. Theodossiou.
39. Phenomena of hyperionization and emission in the gaseous envelope of the star λ Orionis. Proceedings of the 5th HELAS-Hellenic Astronomical Conference, 20-22 Sept. 2001, Crete, Greece. E. Danezis, D. Nikolaides, E. Lyratzi, E. Theodossiou, A. Kossionides, C. Drakopoulos and A. Soulikias.
40. Application of a new model of density shells of matter to the expanding gaseous envelope of the star HD 175754. Proceedings of the 5th HELAS-Hellenic Astronomical Conference, 20-22 Sept. 2001, Crete, Greece. E. Danezis, E. Lyratzi, E. Theodossiou, D. Nikolaides and G. Christou.
41. The complex structure of the expanding gaseous envelope of the star HD164794 (9 Sagittarii). Proceedings of the 5th HELAS-Hellenic Astronomical Conference, 20-22 September 2001, Crete, Greece. E. Danezis, D. Nikolaides, M. Stathopoulou, E. Theodossiou, E. Lyratzi and A. Kossionides.
42. Application of a new model of density shells of matter to the expanding gaseous envelope of the star HD 45910 (AX Monocerotis). Proceedings of the 5th HELAS-Hellenic Astronomical Conference, 20-22 September 2001, Crete, Greece. E. Lyratzi, E. Danezis, D. Nikolaides, E. Theodossiou, M. Stathopoulou, C. Drakopoulos and P. Bourma.
43. A spot model of the contact binary system BH Cas. Proceedings of the 5th HELAS-Hellenic Astronomical Conference, 20-22 September 2001, Crete, Greece. P.G. Niarchos, D. Aslanidis, S. Zola and E. Theodossiou.
44. Prodromic Cosmological Theories of Giordano Bruno.. 5th HELAS-Hellenic Astronomical Conference, 20-22 September 2001, Crete, Greece. E. Theodossiou, E. Danezis and V.N. Manimanis
45. The famous Star City. 5th HELAS-Hellenic Astronomical Conference, 20-22 September 2001, Crete, Greece. E. Theodossiou and V.N. Manimanis.
46. Non adopted Constellations and astronomical maps. 5th HELAS-Hellenic Astronomical Conference, 20-22 September 2001, Crete, Greece. E. Theodossiou, E. Danezis and P.G. Niarchos.
47. Christianum Stellatum Coelum and the zodiacal signs. 5th HELAS-Hellenic Astronomical Conference, 20-22 September 2001, Crete, Greece. E. Theodossiou and V.N. Manimanis.
48. The Chronologies of the Creation. 5th HELAS-Hellenic Astronomical Conference, 20-22 September 2001, Crete, Greece. E. Theodossiou, E. Danezis and V.N. Manimanis.
49. The astronomical implications of the famous astronomical clock of Prague. 5th HELAS-Hellenic Astronomical Conference, 20-22 September 2001, Crete, Greece. E. Theodossiou, P.G. Niarchos and V.N. Manimanis.
50. Moschophoros-Kriophoros and ICTHYS. 5th HELAS-Hellenic Astronomical Conference, 20-22 September 2001, Crete, Greece. E. Theodossiou, E. Danezis and V.N. Manimanis.
51. The Calendar of the Greek Orthodox Church. 5th HELAS-Hellenic Astronomical Conference, 20-22 September 2001, Crete, Greece. M. Dimitrijevic and E. Theodossiou.
52. A new model of density layers of matter to the expanding gaseous envelops of Oe and Be stars. IAU Symposium 210, Uppsala, Sweden, 17-22 July 2002, E. Danezis, D. Nikolaides, E. Lyratzi, E. Theodossiou, A. Kossionides, C. Drakopoulos, G. Christou and P. Koutsouris.
53. The complex structure of the expanding gaseous envelope of the Be star HD 45910 (AX Monocerotis). IAU Symposium 210, Uppsala, Sweden, 17-22 July 2002, E. Lyratzi, E. Danezis, E. Theodossiou, M. Stathopoulou, C. Drakopoulos, A. Soulikias and P. Koutsouris.
54. The complex structure of Hα regions in the gaseous envelope of the Be V stars. IAU Symposium 210, Uppsala, Sweden, 17-22 July 2002, E. Lyratzi, E. Danezis, D. Nikolaides, E. Theodossiou, M. Stathopoulou and A. Soulikias.
55. The complex structure of Mg II regions in the gaseous envelope of the BeV stars. IAU Symp. 210, Uppsala, Sweden, 17-22 July 2002, E. Danezis, E. Lyratzi, E. Theodossiou, M. Stathopoulou, G. Christou and A. Soulikias.
56. Hyperionization and emission phenomena in the coronal and post-coronal regions of the moving atmospheres of the Oe star HD 66811 (ζ Puppis). IAU Symposium 210, Uppsala, Sweden, 17-22 July 2002, G. Christou, E. Danezis, E., Theodossiou, D. Nikolaides, E. Lyratzi and A. Kyriakopoulou.
57. The complex structure of Mg II and Si IV regions in the gaseous shell of the Be star HD50138. IAU Symposium 210, Uppsala, Sweden, 17-22 July 2002, A. Kyriakopoulou, E. Danezis, E. Lyratzi, E. Theodossiou, M. Stathopoulou, G. Christou, P. Koutsouris and C. Drakopoulos.
58. A new I-filter photometric study of the sdB Binary HS0705+6700. New Directions for Close Binary Studies: The Royal Road to the Stars. Çanakkale Onsekiz Mart University. Dardanos Çanakkale (Turkey), 24-28 June, 2002. K.G. Gazeas, P.G. Niarchos, V.N. Manimanis and E. Theodossiou.
59. The fall of a meteorite at Aegos Potami in 467 BCE. Astronomy Workshop: New Directions for Close Binary Studies: "The Royal Road to the Stars". Dardanos, Çanakkale (Turkey), Onsekiz Mart University Astrophysics Observatory, 24-28 June 2002. E. Theodossiou, P.G. Niarchos and V.N. Manimanis.
60. The fall of an aerolith at Aegos Potami (467 B.C.). Xth SEAC-2002 Conference: "Cultural Context from Archaeoastronomical Data and the Echoes of the Cosmic Catastrophic Events". Tartu, 27 August - 1 September 2002. E. Theodossiou, P.G. Niarchos and V.N. Manimanis.
61. The "Dragon houses" of Euboea as ancient megalithic Observatories. Xth SEAC-2002 Conference: "Cultural Context from Archaeoastronomical Data and the Echoes of the Cosmic Catastrophic Events". Tartu, 27 August - 1 September 2002. E. Theodossiou, P.G. Niarchos and B.N. Manimanis.
62. Are the unknown Greek Pyramids old Observatories? Xth SEAC-2002 Conference: "Cultural Context from Archaeoastronomical Data and the Echoes of the Cosmic Catastrophic Events". Tartu, 27 August - 1 September 2002. E. Theodossiou, P.G. Niarchos and V.N. Manimanis.
63. 17th Century Physics Beliefs and the first mechanical clock of Athens. XXI Scientific Instrument Symposium, National Hellenic Research Foundation, Athens 9-14 September 2002. E. Theodossiou, V.N. Manimanis, E. Danezis, E. and E.-M. Kalyva.
64. From Ancient Cosmogony to Modern Cosmology. 2nd Scientific Symposium. Physics in the 20th Century. Hellenic Physical Society. Egumenitsa, Greece, 4-6 Απριλίου 2003 (invited talk). E. Theodossiou.
65. A general proposal for the teaching of History and Philosophy of Physics according to the aspects of School of Physics students. 2nd Panhellenic Conference: The Contribution of History and Philosophy of Physical Science, University of Athens, May 8-11, 2003. pp.177-181, E. Theodossiou.
66. SACs phenomena in early type stars. JENAM 2003, Budapest. August 2003. E. Danezis, E. Lyratzi, D. Nikolaidis, E. Theodossiou, ......
67. SACs phenomena in MgII regions of 40 BeV stars E. Lyratzi, JENAM 2003, Budapest. August 2003. E. Danezis, M. Stathopoulou, E. Theodossiou, 68. SACs phenomena in SiIV regions of 50 BeV stars. JENAM 2003, Budapest. August 2003. E. Lyratzi, E. Danezis, M. Stathopoulou, E. Theodossiou,...
69. The complex structure of hyperionization regions of the Oe star HD 175754. JENAM 2003, Budapest. August 2003. E. Danezis, A. Antoniou, E. Lyratzi, E. Theodossiou.
70. The complex structure of SiIV regions of the Oe star λ Orionis. JENAM 2003, Budapest. August 2003. E. Danezis, M. Koutroumanou, E. Lyratzi, E. Theodossiou...
71. Discontinuous structrures in early type stars' atmospheres Proceedings of the 6th HELAS-Hellenic Astronomical Conference, 15-17 September 2003, Pentele-Athens. E. Danezis, E. Lyratzi, D. Nikolaidis, E. Theodossiou.
72. Discontinuous phenomena in MgII regions of BeV stars, Proceedings of the 6th HELAS-Hellenic Astronomical Conference, 15-17 September 2003, Pentele-Athens. E. Lyratzi, E. Danezis, M. Stathopoulou, E. Theodossiou.
73. Discontinuous phenomena in SiIV regions of BeV stars, Proceedings of the 6th HELAS-Hellenic Astronomical Conference, 15-17 September 2003, Pentele-Athens. E. Lyratzi, E. Danezis, M. Stathopoulou, E. Theodossiou.
74. Discontinuous structure and SACs phenomena in the Oe star's HD 175754 atmosphere. Proceedings of the 6th HELAS-Hellenic Astronomical Conference, 15-17 September 2003, Pentele-Athens. E. Danezis, A. Antoniou, E. Lyratzi, E. Theodossiou.
75.
Discontinuous structure of SiIV regions in the Oe star λ Orionis's atmosphere. Proceedings of the 6th HELAS-Hellenic Astronomical Conference, 15-17 September 2003, Pentele-Athens. E. Danezis, M. Koutroumanou, E. Lyratzi, E. Theodossiou.
76. The Heliocentric System from the Orphic Hymns and the Pythagoreans to the Emperor Julian. 6th HELAS-Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 15-17 September 2003, Pentele, Athens-Greece. E. Theodossiou and V.N. Manimanis.
77. The Pre-Aristarchean Pythagoreans: The Views of Philolaos of Croton. 6th HELAS-Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 15-17 September 2003, Pentele, Athens-Greece. E. Theodossiou, V. N. Manimanis and E. Danezis.
78. The Pre-Aristarchean Pythagoreans: The Views of Iketas, Ecphantos and Heraclides of Pontos. 6th HELAS-Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 15-17 September 2003, Pentele, Athens-Greece. E. Theodossiou and V.N. Manimanis.
79. The Heliocentric System of Aristarchus of Samos in the Ancient Greek Writers and the Modern Greek References in Favor of Him. 6th HELAS-Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 15-17 September 2003, Pentele, Athens-Greece. Efstratios Theodossiou.
80. The Heliocentric System of Aristarchus of Samos in the Modern International References in Favor of Him. 6th HELAS-Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 15-17 September 2003, Pentele, Athens-Greece. Efstratios Theodossiou.
81. The Contribution of the Arabic World in Astronomy. 6th HELAS-Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 15-17 September 2003, Pentele, Athens-Greece. E. Theodossiou, V.N. Manimanis and E. Danezis.
82. Astronomy in Byzantium and the West until Copernicus. 6th HELAS-Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 15-17 September 2003, Pentele, Athens-Greece. E. Theodossiou and V.N. Manimanis.
83. Cosmogony and Cosmological Views of the Ancient Greeks and of the Ancient Eastern Civilizations. 6th HELAS-Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 15-17 September 2003, Pentele, Athens-Greece. Efstratios Theodossiou.
84. Astronomical Views of the Ancient Eastern Civilizations and of the Ancient Greeks. 6th HELAS-Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 15-17 September 2003, Pentele, Athens-Greece. Efstratios Theodossiou.
85. The cosmological aspects of the Dogon tribe. V. N. Manimanis and Efstratios Theodossiou. 6th Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 15-17 September 2003, Pentele, Athens-Greece.
86. A systematic study of sundials-A new proposition. Efstratios Theodossiou 6th Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 15-17 September 2003, Pentele, Athens-Greece.
87. The search for the localisation of the planet Vulcanus. V. N. Manimanis and Efstratios Theodossiou. 6th Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 15-17 September 2003, Pentele, Athens-Greece.
88. The astronomical and arithmetical mystery of the pyramids. Aris Dacanalis and Efstratios Theodossiou. 6th Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 15-17 September 2003, Pentele, Athens-Greece.
89. On Modeling SACs Regions in Early Type Atmospheres. 4th Serbian Conference on Spectral Lines Shapes (SCSLS), October 10-15, 2003. Arandjelovac, Yugoslavia. E. Danezis, E. Lyratzi,..., E. Theodossiou.
90. The complex structure of the MGII regions of 40 BeV stars. 4th Serbian Conference on Spectral Lines Shapes (SCSLS), October 10-15, 2003. Arandjelovac, Yugoslavia. E. Lyratzi,..., E. Danezis, E. Theodossiou.
91. The complex structure of the Oe star HD175754. 4th Serbian Conference on Spectral Lines Shapes (SCSLS), October 10-15, 2003. Arandjelovac, Yugoslavia. E. Danezis, A. Antoniou, E. Lyratzi, E. Theodossiou.
92. A model for the Broad Absorption Line Region in BAL-QSOs. The conference of Euro-asian Astronomical Society, Russian Astronomical conference, July, 2 - 10, 2004, Moscow, Russia. L.Č. Popović, E. Danezis, E. Lyratzi, M.S. Dimitrijević & E. Theodossiou.
93. The complex structure of the MgII λλ 2795.523, 2802.698 A regions of 64 Be stars. 17th International Conference on Spectral Line Shapes (17th ICSLS), June 21-25, 2004, Paris, France. E. Lyratzi, Ε. Danezis, L.Č. Popovic, M.S. Dimitijevic, E. Thedossiou, A. Soulikias & A. Antoniou.
94. The complex structure of the SiIV λλ 1393.73, 1402.73 A regions of 42 BeV stars.17th International Conference on Spectral Line Shapes (17th ICSLS), June 21-25, 2004, Paris, France. E. Lyratzi, Ε. Danezis, L.Č. Popovic, M.S. Dimitijevic, E. Thedossiou, A. Soulikias & A. Antoniou.
95. Some spectroscopic methods for astrophysical plasma resarch. 22nd Summer School and International Symposium on the Physics of Ionized Gases (SPIG 2004), August, 23 - 27, 2004, at National Park "TARA", Serbia and Montenegro. L.Č. Popović, M.S. Dimitrijević, E. Mediavilla, E. Danezis, E. Lyratzi, E. Bon, D. Ilić, P. Jovanović, E. Theodossiou & M. Dačić.
96. Satellite Absorption Components of the UV spectral lines SiIV, CIV, NV, and NIV in the atmosphere of the Oe star HD 175754. JENAM 2004, Spetember, 13-17, 2004, Granada, Spain. E. Danezis, A. Antoniou, L.Č. Popović, M.S. Dimitrijević, E. Lyratzi & E. Theodossiou.
97. The development of Astronomy in Ionia and Aegean Sea. Modern Physics and its influence in life and thought. Greek Physic Society (Ε.F.Ε.), Fira-Santorini, 21-22 October 2004 (Invited talk). E. Theodossiou.
98. Art and Astronomy in Dogon. 1st International Congress, Science and Art, Greek Physic Society (Ε.F.Ε.), Eugenides Foundation, 19 June 2005 (Invited talk).E. Theodossiou.
99. A new modelling approach for DACs and SACs regions in the atmospheres of hot emission stars, Danezis, E., Nikolaidis, D., Lyratzi, E., Popović, L. Č., Dimitriević, M. S., Theodossiou, E. & Antoniou, A.: 5th Serbian Conference on Spectral Lines Shapes in Astrophysics (V SCSLSA) Vrsac, Serbia, June, 2005. (Invited Lecture). Mem. S.A.It. Vol. 7, 107, SAIt 2005. E. Danezis, L.Č. Popović, M.S. Dimitrijević E. Lyratzi, E., L.Č. Popović, M.S. Dimitrijević, E. Theodossiou & A. Antoniou.
100. A new approach for the structure of Ηα regions in 120 Be stars. Lyratzi, E., Danezis, E., Nikolaidis, D., Popović, L. Č., Dimitriević, M. S., Theodossiou, E. & Antoniou, A, 5th Serbian Conference on Spectral Lines Shapes in Astrophysics (V SCSLSA). Vrsac, Serbia, June, 2005. Mem. S.A.It. Vol. 7, 114, SAIt 2005.
101. Orphic Hymns and Astronomy, Samothrace in time and Space, Scientific Symposium, 1st September 2005. Amphitheatre «Nicolaus Fardys (Invited talk).
102. Nichephoros Gregoras and the Serbs. Stratos Theodossiou and Milan Dimitrijevic. XIV, National Conference of Astronomy of Serbia and Montenegro. Belgrade, 12-14 October 2005.
103. Cosmological Implications of the «Hexameron" of Saint Basil the Great. M. Danezis, E. Theodossiou and M. Dimitrijevic. International Conference: Science and Orthodoxy-A necessary Dialogue. 22-26 October 2005. Bucharest-Constantza, Romania.
104. Theology and Modern Physics. M. Danezis, E. Theodossiou and M. Dimitrijevic. Science and Orthodoxy-A necessary Dialogue. 22-26 October 2005. Bucharest-Constantza, Romania.
105. The new rectified Julian Calendar. M. Dimitrijevic and E. Theodossiou. International Conference: Science and Orthodoxy-A necessary Dialogue. 22-26 October 2005. Bucharest-Constantza, Romania.
106. Orphic Hymns and the views of Pythagorians in Astronomy, Ε. Theodossiou, Μ. Danezis and A. Dacanalis. The views of ancient philosophers for Physical Sciences and their influence at modern thought. Greek Physic Society (Ε.F.Ε.)-Panhellenic Mathematical Society. Xanthi 11-13 November 2005.
107. Cosmological Implications of Democritus and Modern Physics. Μ. Danezis, Ε. Theodossiou and A. Dacanalis. The views of ancient philosophers for Physical Sciences and their influence at modern thought. Greek Physic Society (Ε.F.Ε.)-Panhellenic Mathematical Society. Xanthi 11-13 November 2005
108. Hyperionison phenomena to the coronal and post - coronal regions of the moving atmosphere of the Oe star HD 93521, Antoniou, A., Danezis, E., Nikolaidis, D., Lyratzi, E., Popović, L. Č., Dimitijević, M. S. & Theodossiou, E.: Proceedings of the 7th HELAS-Hellenic Astronomical Conference, Kefallinia Island, Greece, September 2005. AIP Conference Proceedings, August 25, 2006, Vol. 848, pp. 370-374.
109. A new modeling approach for DACs and SACs regions in the atmospheres of hot emission stars. Danezis, E., Nikolaidis D., Lyratzi E., Popovic L., Dimitrijevic M., Theodossiou E. and Antoniou A. Proceedings of the 7th HELAS-Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 8-11 September 2005, Kefallinia-Greece. AIP Conference Proceedings, August 25, 2006, Vol. 848, pp. 380-384.
110. A new approach for the structure of Hα regions in 120 Be-type stars. Lyratzi E., Danezis, E.,...., and Theodossiou E. Proceedings of the 7th HELAS-Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 8-11 September 2005, Kefallinia-Greece. AIP Conference Proceedings, August 25, 2006, Vol. 848, pp. 402-406.
111. Long Term variability of the radial velocities in the coronal and post-coronal regions of the Oe star HD93521. Antoniou A., Danezis, E., Lyratzi E.,.., and Theodossiou E. Proceedings of the 7th HELAS-Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 8-11 September 2005, Kefallinia-Greece. AIP Conference Proceedings, August 25, 2006, Vol. 740, pp. 497-508.
112. The measurement of small time intervals from ancient astronomers. E. Theodossiou, D. Papathanasoglou and V.N. Manimanis. 7th Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 8-11 September 2005, Κefalinia-Greece. Session 8: History and teaching in Astronomy. AIP Conference Proceeding, August 25, 2006, Vol. 848, pp. 927-933.
113. The sundial of Panaghia Scripou in Orchomenos. E. Theodossiou and V.N. Manimanis. 7th Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 8-11 September 2005, Κefalinia-Greece. Session 8: History and teaching in Astronomy. AIP Conference Proceeding, August 25, 2006, Vol. 848, pp. 934-938.
http://proceedings.aip.org/resource/2/apcpcs/848/1/934_1?isAuthorized=no
114. Un-tangible World and Modern Physics. Scientific Conference "Science and God". E.I.E. (National Research Foundation), Athens, Sunday 22 January 2006.
115. The Apeiron of Anaximander and modern Astrophysics. Theodossiou, E., 11th Panhellenic Conference of the Greek Physics Society "New Horizons of Physics". Larissa, 30 March - 2 Αpril 2006.
116. The Photospheric And The Respective Si IV Regions' Rotational Velocities In 27 Be Stars, 23rd Summer School and International Symposium on the Physics of Ionized Gases, (SPIG 2006), Lyratzi, E., Danezis, E., Nikolaidis, D., Antoniou, A., Popović, L. Č., Dimitrijević, M. S. and Theodossiou, E., August 28 - September 1, 2006, Kopaonik, Serbia.
117. "A Study Of DACs And SACs Regions In The Atmospheres Of Hot Emissions Stars", 23rd Summer School and International Symposium on the Physics of Ionized Gases, (SPIG 2006), Nikolaidis, D., Danezis, E., Lyratzi, E., Popović, L. Č., Antoniou, A. Dimitrijević, M. S., and Theodossiou, E., August 28 - September 1, 2006, Kopaonik, Serbia.
118. The Photospheric And The Respective C IV Regions Rotational Velocities In 20 Oe Stars. Antoniou, A., Danezis, E., Popović, L. Č., Dimitrijević, M. S. and Theodossiou, E., 23rd Summer School and International Symposium on the Physics of Ionized Gases, (SPIG 2006), August 28 - September 1, 2006, Kopaonik, Serbia. General Plasmas, pp. 579-582.
119. "A new model for the structure of the DACs and SACs regions in the Oe and Be stellar atmospheres", XXVIth IAU General Assembly, Prague, Czech Republic, Nikolaidis, D., Danezis, E., Lyratzi, E., Popović, L. Č., Dimitrijević, M. S., Antoniou, A. & Theodossiou, E., 2006, August 14-25.
120. A new approach for DACs and SACs phenomena in the atmospheres of hot emission stars Nikolaidis, D., Danezis, E., Lyratzi, E., Popović, L. Č., Dimitrijević, M. S., Antoniou, A. & Theodossiou, E., The UV Universe: Stars from birth to death, XXVIth IAU General Assembly, Prague, Czech Republic, 2006, August 14-25. Book of Proceedings, Ana Ines Gomez de Castro y Martin A. Barstow (eds.). UV Astronomy, UCM Editorial Complutense, pp. 107-112.
121. Long term variability of the coronal and post-coronal CIV region of the Oe star HD 93521. Antoniou, A., Danezis, E., Lyratzi, E., Nikolaidis, D., Popović, L.Č., Dimitrijević, M. S., & Theodossiou, E.: The UV Universe: Stars from birth to death, XXVIth IAU General Assembly, Prague, Czech Republic, 2006, August 14-25. Book of Proceedings, Ana Ines Gomez de Castro y Martin A. Barstow (eds.). UV Astronomy, UCM Editorial Complutense, pp. 113-118.

122. Infinity of Anaximander in Cosmogony and the infinity of the worlds in Cosmology. IN THE CONFERENCE OF THE HELLENIC PHYSICISTS SOCIETY: HUMAN BEING THROUGH THE PHILOSOPHY OF THE PHYSICS, NAFPLION, APRIL 2007 

123. ΎΔΩΡ from Ancient Greek Cosmogonies to modern Astrophysics. Theodossiou, E., Dimitrijevic, M., Manimanis, V.N. and Grammenos Th., International Symposium: European Ideas, Ancient civilization and Serbian culture, Serbian Society of Ancient Studies, Sremski Karlovci, 28-30 Septemberv 2007, pp. 26-27.
124. Constellation, Mythology and Art, International Symposium: European Ideas, ancient civilization and Serbian culture, Serbian Society of Ancient Studies, Sremski Karlovci, 28-30 Septemberv 2007, pp. 27-28. E. Theodossiou, V.N., Manimanis, S. Goyette and M.S. Dimitrijevic.
125. Moschophoros-Kriophoros-Icthys: Constellation, Mythology and Time. 8th Scientific Physics Symposium-Αncient Olympia, November 2-4, 2007, "The Social Dimension of Physical Sciences" GREAT MOMENTS OF PHYSICS, (invited talk) E. Theodossiou.
126. Astronomical eras, Sculpture and Time, 2nd International Conference Science and Art, (invited speaker), Technopolis, Athens 2008, 16 January. E. Theodossiou.
127. Theory of Strings and Superstrings. 12th Panhellenic Conference of the Greek Physics Society, Kavala, 20-21 Μarch 2008. (invited speaker).E. Theodossiou.
128. Αstronomy-Art-Time, 12th Panhellenic Conference of the Greek Physics Society-Parallel Session, Drama, 22 Μarch 2008. (invited speaker).E. Theodossiou.
129. The Dilution of senses and modern Medicine. 20+1 years of Laparoscopic Surgery-Scientific Symposium, Alexandroupolis, 21-22 Μarch 2008. (invited speaker).E. Theodossiou.
130. Constellations and astronomical eras. Development of Astronomy among Serbs, Ιnternational Conference V, Belgrade 18-22 April, 2008. E. Theodossiou and M. Dimitrijevic.
131. Појам бесконачности и идеја о мноштву светова од античких Грчких до модерних космологија. КОНФЕРЕНЦИЈЕ "РАЗВОЈ АСТРОНОМИЈЕ КОД СРБА V" Београд 18 април 2008. Oпсерваторије, Калемегдан, Деспотова кула. Евстратије Теодосију, Петрос Мадаракис, Милан С. Димитријевић, Василије Н. Маниманис, Емануел Данезис.
132. Мосхофорос, Криофорос, Ихтхис, Сазвежђа, митологија и уметност. КОНФЕРЕНЦИЈЕ "РАЗВОЈ АСТРОНОМИЈЕ КОД СРБА V" Београд 18 април 2008. Oпсерваторије, Калемегдан, Деспотова кула. Евстратије Теодосију, Василије Н. Маниманис, Сеа Гојет, Милан С. Димитријевић.
133. Рига од Фере и астрономија у његовој «Антологији физике» (Поводом 250. годишњице рођења). КОНФЕРЕНЦИЈЕ "РАЗВОЈ АСТРОНОМИЈЕ КОД СРБА V" Београд 19 април 2008. Oпсерваторије, Калемегдан, Деспотова кула. Евстратије Теодосију, Василије Н. Маниманис, Милан С. Димитријевић, Емануел Данезис.
133. The heliocentric system from the Orphic Hymns and the Pythagorian philosophers to the emperor Julian. КОНФЕРЕНЦИЈЕ "РАЗВОЈ АСТРОНОМИЈЕ КОД СРБА V" Београд 20 април 2008. Oпсерваторије, Калемегдан, Деспотова кула. Евстратије Теодосију, Арис Даканалис, Милан С. Димитријевић, Емануел Данезис.
134. "ΥΔΟΡ - ХИДОР» од старих грчких космогонија до модерне астрофизике. КОНФЕРЕНЦИЈЕ "РАЗВОЈ АСТРОНОМИЈЕ КОД СРБА V" Београд 21 април 2008. Oпсерваторије, Калемегдан, Деспотова кула. Ефстратије Теодосију, Милан С. Димитријевић, Василије Маниманис, Теодулос Граменос.
135. AX Mon (HD 45910) Kinematical Parameters in the Fe II Spectral Lines as a Function of the Excitation Potential. SPECTRAL LINE SHAPES: Volume 15-19th International Conference on Spectral Line Shapes. AIP Conference Proceedings, Volume 1058, pp. 314-316 (2008). Antoniou, A.; Danezis, E.; Lyratzi, E.; Popović, L. Č.; Dimitrijević, M. S.; Theodosiou, E.; Stathopoulos, 136. A Study of the Structure of Different Ionization Potential Regions in the Atmosphere of AX Mon (HD 45910) SPECTRAL LINE SHAPES: Volume 15-19th International Conference on Spectral Line Shapes. AIP Conference Proceedings, Volume 1058, pp. 317-319 (2008). Antoniou, A.; Danezis, E.; Lyratzi, E.; Popović, L. Č.; Dimitrijević, M. S.; Theodosiou, E.; Katsavrias, G.
137. From the infinity (apeiron) of Anaximander in ancient Greece to the theory of infinite universes in Modern Cosmology. Development of astronomy among Serbs V, Belgrade 18-22 April, 2008. E. Theodossiou, P. Mantarakis and M.S. Dimitrijevic.
138. Cosmic and Astronomical Time. Scientific Symposium: The evolution of the Universe. Astronomy-Astrophysics-Theology. International Center of Philosophy-History and Culture. Municipality of Arfara-Kalamata, April 29, 2008. E. Theodossiou.
139. The significance of Hydor in European thought from Ancient Greek Cosmogonies to the Modern Asstrophysics. 8th International Hydrogeological Congress of Greece, Proccedings Vol. I, pp. 137-146. Athens October 8, 2008. (Special lecture-invited speaker). E. Theodossiou.
141. The Pre-Socratic Greek philosophers and the Environment. Scientific Symposium. Nomarchiake Autodioikise Rethymnou-The Laboratory Center of Physics Science Rethymnou. Wednesday 15 Οctober 2008, Odeio Rethymnou. E. Theodossiou.
141. 2009: The International Year of Astronomy. Scientific Symposium: The Today Science and Technology. Greek Physics Society, Kos, Friday to Sunday, May 9-11, 2009.E. Theodossiou.
142. The Contribution of Ancient Greek philosophers to Astronomy. Scientific Symposium for Modern Astronomy: International Year of Astronomy. Central Building of the University of Athens, May, 15-17, 2009. E. Theodossiou.
143. The Heliocentric System in Orphic Hymns and Pythagorean up to Emperor Ioulianos. International Meeting: Pythagorean views on Music-Rearing of Pythagorean Harmony, Samos, 10-11 July 2009, pp. 30-32. E. Theodossiou.
144. The inconvenient relation between religion and science: The prevalence of the heliocentric theory. 1st Workshop: Astrophysical winds and discs similar phenomena in stars and quasars-Special Session: History and Philosophy of Astronomy and Physical Sciences. Platamonas, September 3-8, 2009. E. Theodossiou, V.N. Manimanis and M. Danezis.
145. The Cosmology of the Pre-Socratic Greek philosophers, 1st Workshop: Astrophysical winds and discs similar phenomena in stars and quasars-Special Session: History and Philosophy of Astronomy and Physical Sciences. Platamonas, September 3-8, 2009. E. Theodossiou and V.N. Manimanis.
146. Non-prevailable political calendrical systems in the European History. V.N. Manimanis and E. Theodossiou. 9th Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 20-24 September 2009, Athens-Greece.
147. The large built water clock of Amphiaraeion. V.N. Manimanis and E. Theodossiou, M. Katsiotis and P. Mantarakis. 9th Hellenic Astronomical Conference, organized by the Hellenic Astronomical Society, 20-24 September 2009, Athens-Greece.
148. Theory of Strings and Superstrings: Solution or Utopia? 6th Conference of Amateur Astronomy, Alexandroupolis, Saturday September 26, 2009 (invited speaker).
149. Orhic Cosmology. Scientific Symposium "Orpheus and Cosmogony". Normachiaki Aftodioikisis Rodopis-Ebrou and Democretean University of Thrace, Komotini, Sunday September 27, 2009 (invited speaker).
151. The contribution of Ancient Greek philosophers in Astronomy. Astronomical Society of Bolos. The Municipality of Bolos, October 10, 2009.
151. The contribution of Byzantine Greek scolars in Science. Scientific Symposium: "The contribution of the Greek Clergymen in the Greek Enlightement and the revival of the Sciences", Diorthodox Center of the Church of Greece-Iera Moni Pentelis, 2009, Thursday, November 5.
152. Cosmology af Alcman, Leukippus and Democritus. Development of astronomy among Serbs, Ιnternational Conference VI, Belgrade 22-26 April, 2010. E. Danezis, E. Theodossiou and M. Dimitrijevic (invited speaker).
153. Ancient Pyramids in Greece. Development of astronomy among Serbs, Ιnternational Conference VI, Belgrade 22-26 April, 2010. E. Theodossiou, M. Catsiotis, B. Manimanis and M. Dimitrijevic (invited speaker).
154. The Theory of Pantachekineton of Benjamin Lesvios. Development of astronomy among Serbs, Ιnternational Conference VI, Belgrade 22-26 April, 2010. E. Theodossiou, B. Manimanis and M. Dimitrijevic (invited speaker).
155. Astronmy and Constelations in Homer's Iliad and Odyssey. Development of astronomy among Serbs, Ιnternational Conference VI, Belgrade 22-26 April, 2010. E. Theodossiou, B. Manimanis, P. Mantarakis and M. Dimitrijevic (invited speaker).
156. Presocratic philosophers and cosmological models. "The Contribution of ancient Greeks Philosophers to the physical thought", Scientific Symposium, 28 April 2010. Hellenic Physical Society (Προσκεκλημένος ομιλητής).
157. Searching for extra-terrestrial intelligence. 10th Panhellenic Symposium of Surgery. Thrace Pallas, Alexandroupolis, May 15, 2010 (invited speaker).
158. The inconvenient relation between religion and science: The prevalence of the heliocentric theory. 5th Symposion of the Serbian Society for Ancient Studies ANTIQUITY AND MODERN WORLD: RELIGION AND CULTURE. Belgrade, October 1-3, 2010 (invited speaker).
159. Космологија Гностика, Ефстратије Т. Теодосију, Васијије Н. Маниманис, Емануел Данезис, Милан С. Димитријевић, Конференција "Античка култура и европско наслеђе", Београд, 2010. The Cosmology of the Gnostics and Orthodox Church, 255.855:2-17, pp. 366-373, 2011.
161. Неподесан Однос Између Религије и Науке: Превладавање Хелиоцентричне Теорије, Ефстратије Т. Теодосију, Васијије Н. Маниманис, Милан С. Димитријевић, Конференција "Античка култура и европско наслеђе", Београд, 2010. The inconvenient relation between religion and science: the prevalence of the heliocentric theory, 133.522.5:272/279, pp. 374-386, 2011.
161. The contribution of Anaximander to the Natural Sciences. "The presocratic natural philosophers". Scientific Symposium. Hellenic Physicist Society. Enastron-Athens, October 20, 2010.
162. The Philosophy of Physics, 10th Scientific Symposium on Physics, Portaria-Pelion, February 11-12-13, 2011 (invited speaker).
163. Science... toward a New Civilization. Olympic Center of Philosophy and Education: The divine meaning in its universal dimension, 2011.
164. Τoward a new Theory of the Unification of Knowledge, 6th International Classical Symposion, in Belgrade and Sremska Mitrovica, September 9-11, 2011 (invited speaker).

165. Astronomy and Constellations in Homeric Iliad and Odyssey, 6th International Classical Symposion, in Belgrade and Sremska Mitrovica, September 9-11, 2011 (invited speaker).

166. The contribution of ancient astronomers in astronomy and sculpture. Hellenic Physicists Society and Municipality of Palaio Faliro, Amphitheatre of Floisvos, January 16, 2012 (invited speaker).
167. Art in Egyptian Astronomy. 4th Scientific Symposion Science and Art. Hellenic Physicists Society and Harokopeion University, Saturday, January 20, 2012 (invited speaker).
168. Τhe contibution of Byzantine priests in Astronomy and Physics. Ioannes Philoponos (490-570). Philosophy and Cosmology. New Aphitheatre-Central UIniversity of Athens, Wenesday, March 7, 2012. 
169. The philosophy of Relativism, School of Physics and our students. 14th Panhellenic Conference. March 29-April 1, Kamena Bourla, Greece (invited speaker).
171. "Astronomy and Cosmology in Byzantium. International Scientific Society of Ancient Greek Philosophy. Pneumatikon Kentro of Athens Municipality,  June 13, 2012.
171. Αncient Egyptian Astronomy. 1st Symposium Hellenic-Arabic Astronomy, October 13 Οκτωβρίου 2012, Kakogianneio Astreroscholeio Ypatis. Ypati-Greece.

172. "A Minoan Eclipse Calculator", M. Tsikritzis, E. Theodossiou, V. Manimanis and P. Mantarakis. 5th International Conference of the European Society for the History of Science. Saturday, November 3, 2012, Marasleio-Athens.

173. Αchilleas Papapetrou, Hotel Titania, Monday, November 5, 2012. 

174. Destruction or not at the end of 2012. The help that offers Physics and Astroiphysics. Hellenic Physicist Society, November 23-24, 2012. Hotel Athens Gate, Athens.175. "Αστρονομία και Κοσμολογία στο Βυζάντιο". Διεθνής Επιστημονική Εταιρεία Αρχαίας Ελληνικής Φιλοσοφίας, Πνευματικό Κέντρο του Δήμου Αθηναίων. Τετάρτη 13 Ιουνίου 2012.

176. Ancient Egyptian Astronomy. First (1st) Symposium Greek-Arab Astronomy, October 13, 2012, Kakogianneioa Asteroscholeio High.

177. "A Minoan Eclipse Calculator", M. Tsikrizis, E. Theodossiou, V. Manimanis and P. Mantarakis. 5th International Conference of the European Society for the History of Science. Saturday, November 3, 2012, Marasleio-Athens.

178. Achilles Papapetros: Recognition of a famous-unknown in Greece, Days,, Titania Hotel, Monday, November 5, 2012, Athina.

179. Are we destroyed or not in 2012 or 2029? How will voithiseia to prevent the destruction of the 21st century technology? Science and Society in the 21st century-with the contribution of new technologies, 23-24 November 2012. Hotel Athens Gate, Syngrou 10, Athens.

181. Invisible World and Modern Physics-From the Ionian philosophers in modern cosmologists. That second Epistimoniko Conference "Philosophy and Cosmology" New Auditorium (Alkis Argyriadis) Main Building, University of Athens, Athens 13-14 May 2013.

 

181.INTERNATIONAL SCIENTIFIC CONFERENCE WITH SUBJECT: Pre-Socratic philosophy-Man, the society and the world. Monday, March 23, 2015, Main Building of the University of Athens, Auditorium "Alkis Argyriadis". Hellenic Physical and International Scientific Society Ancient Greek Philosophy, TIME: 10: 00-21: 00.

182. 11th Environmental Conference: ENVIRONMENT AND SOCIETY-features and actions of Science in Natural Environment. UNION OF GREEK NATURAL D / B DIVISION / THMIAS Florina, PE.SY.D.A.P (Environmental Athens PIRAEUS Municipalities Association). Venue: Multipurpose Hall Municipality of Florina, Florina, Prespes, Nymfaio 27-29 March 2015.

183. Workshop "Physics charms» Saturday 28 March 2015, 1o Gymnasium Florina. Florina TIME: 10: 00-14: 30.

 

«184. INTERNATIONAL SCIENTIFIC CONFERENCE WITH SUBJECT: Pre-Socratic philosophy-Man, the society and the world. Monday, March 23, 2015, Main Building of the University of Athens, Auditorium "Alkis Argyriadis". Hellenic Physical and International Scientific Society Ancient Greek Philosophy, TIME: 10: 00-21: 00.

 


187. Conference: Byzantium and throughout you: East-History, Culture, Philosophy, Science, Economy, Planning. New Circle Constantinopolitans & The in the East Study Society. Under the auspices of the Universal Federation Konstantinoupoliton.Savvato 16 May. Kastritseio Museum, Kapodistriou 17 Filothei.
188. Milan S. Dimitrijević, Vassilios N. Manimanis, Efstratios Theodossiou: KOZMOLOŠKI POGLEDI SV. GREGORIJA IZ NISE. 9th INTERNATIONAL CLASSICAL SYMPOSIUM SERBIAN SOCIETY OF ANCIENT STUDIES, 24-27 September 2015, Belgrade. Cremcka Mitrobitsa-Nobi Sad. ANTIQUITY AND MODERN WORLD TODAY, Friday, September 25th, Faculty of Philosophy.
189. Theodosius Stratos Cosmology Gnostic and Orthodox Church, Scientific Conference Ethical values, Society and Scientific Research, Hall OLP, Piraeus, October 15, 2015. Guest Speaker.
191. 15th Panhellenic Conference of Radiation Oncology, Greek Society for Radiation Oncology and Research Company biomedical cancer. 8-10 May 2015, Hotel "The Met» Thessaloniki. Contemporary Issues Oncology.
192. Physical entranced in Thessaloniki Dimotikou- school students, high school. Physics School (FMS) of the Aristotle University (AUTH). Rooms A11 and A31.

193. The offerings of the Byzantines in applied sciences. Conference: Byzantium and throughout you: East-History, Culture, Philosophy, Science, Economy, Planning. New Circle Constantinopolitans. Under the auspices of the Universal Federation Konstantinoupoliton.Savvato 16 May. Kastritseio Museum, Kapodistriou 17 Filothei.

194. Milan S. Dimitrijević, Vassilios N. Manimanis, Efstratios Theodossiou: KOZMOLOŠKI POGLEDI SV. GREGORIJA IZ NISE. 9th INTERNATIONAL CLASSICAL SYMPOSIUM SERBIAN SOCIETY OF ANCIENT STUDIES, 24-27 September 2015, Belgrade. Cremcka Mitrobitsa-Nobi Sad. ANTIQUITY AND MODERN WORLD TODAY, Friday, September 25th, Faculty of Philosophy.
195. Theodosiou Stratos, Cosmology of Gnostic and Orthodox Church, Scientific Conference Ethical values, Society and Scientific Research, Hall OLP, Piraeus, October 15, 2015. Invited Speaker.
196. "ASTRONOMIAS INFORMATION, stars and constellations WITHIN THE HOMER EPICS". CONFERENCE: The ASTRONOMY IN THE HOMER EPICS astronomy MAGAZINES AND PHENOMENA CHRONOLOGISEIS. Auditorium "Drakopoulos" Central University of Athens. 30 Panepistimiou-Athens. Friday, February 5, 12: 00-16: 00.
197. Aristarchos - The first rapporteur of the heliocentric system. Seminar under the Environmental Congress: path to the magic of Nature. Kalavryta 8-9-10 April 2016.

198. Ancient Egyptian Astronomy. 2nd Symposium Greek-Arabic Astronomy. Asteroscholeio YPATH. April 19, 2016.

199. The Brefokratouses and Galatrofouses deities. 1st Panhellenic Conference on Mythikismo. Auditorium Antoni Tritsi, City of Athens Cultural Center, Sunday, 22 May 2016, pp. 65-83.

200. Ancient Greece and origins of the Heliocentric theory. Milan S. Dimitrijević, Efstratios Theodossiou, Aris Dacanalis, Petros Z. Mantarakis. ANCIENT GREECE AND THE MODERN WORLD. Ancient Olympia, 28-31 August 2016, p. 26. Conference proceedings, Athens, March 2017, pp. 513-525.

201. Minoan eclipse calculator and the Minoan cosmological model. Minas Tsikritzis and Efstratios Theodosiou. ANCIENT GREECE AND THE MODERN WORLD. Ancient Olympia, 28-31 August 2016, p. 26. Conference proceedings, Athens, March 2017, pp. 650-665.

202. The astronomical eras of Taurus, Aries and Pisces and their correlation with ancient Greek sculpture. Efstratios Theodosiou.ANCIENT GREECE AND THE MODERN WORLD. Ancient Olympia, 28-31 August 2016, p. 25.Conference proceedings, Athens, March 2017, pp. 575-587.

203. THE RETURN VOYAGE OF THE ARGONAUTS ACCORDING TO ARGONAUTICA ORPHICA. Kalachanis, Κ., Preka-Papadema, P., Kostikas, I., Theodossiou, E., Manimanis, V.N., Panou, E., ANCIENT GREECE AND THE MODERN WORLD. Ancient Olympia, 28-31 August 2016, p. 32.

204. THE DIFFERENT CONCEPTS OF OURANOS AND THE IMPORTANCE OF THE AETHER IN THE WORKS OF ARISTOTLE AND OTHER Philosophy The AETHER IN PHYSICAL AND COSMOLOGY. 5th SCIENTIFIC CONFERENCE "CULTURE AND COSMOLOGY". October 19, 2016. Faculty of the University of Athens (Amphitheatre AULA)

205. Aristotelian Aether and the void of Universe. Konstantinos Kalachanis, Efstratios Theodossiou and Milan S. Dimitrijevic.Conference: 10th International Symposium-Antiquity as Inspiration and Research Topic Through Millennia, At Beograd (Belgrade), Volume: Proceedings of the 10th International Symposium.

206. Multiple Concepts of Heaven and the definition of Αether in the works of Aristotle - The Aether in Physics and in Cosmology. CONFERENCE: ARISTOTLE AS THE FOUNDER OF NATURAL SCIENCES. COORDINATOR: N. KATSAROS. WEDNESDAY 25 JANUARY 2017 HALL EVENTS ESIEA- ACADEMY 20-ATHENS 106 71 TIME: 16:30-21:30.

207. "Anaximander: The Idea of ​​Apeiron in Ancient Greece - Modern Cosmology: The Inexperience of the Worlds". 4th Interdisciplinary CONFERENCE "PRESOCRATIC PHILOSOPHERS AND ARISTOTLE", April 25, 2017. Main Building of the National and Kapodistrian University of Athens (Panepistimiou 30) Amphitheater "Alkis Argyriadis". 

208. Scientific Terminology.  ymposium Science and Art "Steps of the mind - Looking at the harmony of the universe". Athens 12 - 13 May 2017. Venue Conference Center TEI Athens. Agiou Spyridonos 28, 12243 Egaleo. Association of Greek Physicists.

209. INVISIBLE WORLD AND MODERN ASTROPHYSICS. 60th Annual Convention of the Parapsychological Association. July 20-23, 2017. Titania Hotel, Athens Greece, p. 46.

210. Kalachanis, K., Efstratios Theodosiou and Milan S. Dimitrijevic, John Philoponus' Critisism of Aristotelian Aether and his views on the motions of the celestial Bodies. "Antiquity once and now: Importance, role and heritage through centuries, 11th International Conference" 16th and 17th December 2017. Belgrade, 19-20. 

211. Looking for the ... Unity of Sciences. 17th Panhellenic Congress. Union of Greek Physicists. "PHYSICS MEETS SOCIETY" - Discoveries - Achievements - Perspective for 21st Century Physics. Grand Hotel Palace, Thessaloniki, Friday, March 16, 2018, time: 20:00-21:00. 

212. Stellar Spectra. 17th Panhellenic Congress. Union of Greek Physicists. "PHYSICS MEETS SOCIETY" - Discoveries - Achievements - Perspective for 21st Century Physics. Grand Hotel Palace, Thessaloniki, Sunday, March 16, 2018, time: 10:00-11:00.

213. "Exploring the Relationship between Orthodoxy and the Natural Sciences". "Science and Religion: Historical and Philosophical Extensions", Venue: The Stanley Hotel, Odysseos 1, Athens. FRIDAY 4 MAY 2018. TIME: 17:30 -17:55.

214. The ancient Macedonian calendar and its course over the centuries. THE ODYSSEY OF KNOWLEDGE-2nd International Congress of Arts and Sciences, May 24-27, 2018, Aristotleion Theater, Thessaloniki. May 25, 2018, 11: 00-12: 00. Ethnikis Amynis 2, Thessaloniki.5. 

215. ASTRONOMY, ASTROPHYSICS AND ART. 14th Athens Digital Arts Festival. 24-27 May 2018, Megaron-The Athens Concert Hall. Megaron-The Athens Concert Hall. Vas. Sofias Ave. & Kokkali St. Athens, Greece.

216. Michael Psellos, the philosopher's lord.  INTERNATIONAL CONFERΕNCE "GOD, WORLD, HUMAN IN BYZANTINE DISTINCTION". A CELEBRATION IN HILIETY (1018-2018) BY BIRTH OF MICHAEL PSELLOU, FAMOUS PHILOSOPHES. Thursday 7 - Friday 8 June 2018. Faculty of Philosophy of the National and Kapodistrian University of Athens. Amphitheater "AULA".

217.  The cosmological theories of the pre-Socratic Greek philosophers and their philosophical views for Environment. INTERNATIONAL CONFERENCE: "DRAMATIC CHANGES IN THE PLANET AND THE GREEK ROOTS OF ECOLOGICAL ETHICS". It is co-organized by the University of Patras and the International Center for Science and Hellenic Studies, June 17-20, 2018 at the Conference Amphitheatre of the University of Patras. 

218. Aristotle and Theophrastos, INTERNATIONAL CONFERENCE: "DRAMATIC CHANGES IN THE PLANET AND THE GREEK ROOTS OF ECOLOGICAL ETHICS". It is co-organized by the University of Patras and the International Center for Science and Hellenic Studies, June 17-20, 2018 at the Conference Amphitheatre of the University of Patras.

219. Τhe Jewish and Christian Chronologies of the Creation and the  view of Modern Astrophysics. Interdisciplinary Conference: The Beginning and Evolution of the World and Man with reference to the Hexaimeron of Vassilios the Great. Faculty of Theology. University of Athens - Society of Friends of the Nation. October 17-18, 2018.  Proceedings of the Conference, pp. 123-142.

220. Arthur Schopenhauer, the philosopher who influenced many German-speaking physicists. Friday 30 November, 13:00-13:40. Scientific Conference Philosophy-Cosmology. School of Philosophy, University of Athens, AULA Auditorium. 

221. The mythology of constellations. The Association of Greek Physicists, MUNICIPALITY OF Epidaurus and the Department of Secondary Education of Argolida, organize a two-day seminar on "Philosophy and Science. Pneumatiko Center of Lygourio. Saturday, December 1, 10:30-11: 00.

222. Ophiuchos Asklepios and the other constellations of Argolis. The Association of Greek Physicists, MUNICIPALITY OF Epidaurus and the Department of Secondary Education of Argolida, organize a two-day seminar on "Philosophy and Science. A long-term meeting Pneumatiko Center of Lygourio. Saturday, December 1st, 18:30-19:00.

223. Hypatia of Alexandria. Conference "The Universe and the Greeks". Aegean College, 17, Panepistimiou Street, Athens. 12 December 2018, 20:00-20:30. 

224. Astrophysics at the cutting edge of research. 1st EDUCATIONAL CONFERENCE IN ARCADIA "EDUCATION SCIENCES": "Good Practices for Classroom Teaching". Ε.Ε.Φ. AND DIRECTORATE OF B / THIRD EDUCATION OF ARCADIA. E.K.F.E. - ARCADIA, 6 April 2019. Venue: Lagadia Arkadia, Maniatis Hotel.


225. "Sunspots ..., and yet they affect the Earth's climate." Sunday, 18th Panhellnic Physics Conference, 27 September, 2020, Sunday. Time: 10:00-10:30.

226. "Astromythology - The Three Great Floods of Greek Mythology: The Answers of Astronomy and a Personal Perspective" at the 8th Interdisciplinary CONFERENCE OF PHILOSOPHY on November 18, 2020. Aula of the New Yok College of Athens.

227. The contribution of Anaxagoras of Clazomenes to the Natural Sciences. In the context of the 9th Interdisciplinary CONFERENCE OF PHILOSOPHY  on October 21, 2022. Aula of the School of Philosophy, EKPA.

228. The relationship of sunspots to climate change. 19th Panhellenic Conference of the  Greek Physicists Society. Loutraki, Friday November 18, 2022 Modern Physics and Great Achievements. Research - Technology - Innovation - Education. CLUB HOTEL LOUTRAKIOU - CONFERENCE CENTER OF LOUTRAKIOU, ALEXANDREIO. Time: 20:00-20:40. 

229. Scientific Conference: Tribute to 2450 YEARS FROM THE BIRTH OF PLATO (427 BC-2023 AD). "AULA" Amphitheater of the Philosophical School of the Athens University Friday, November 3, 2023. Under the auspices of the Dean's Office of the Philosophical School of the University of Athens.

230. A POSSIBLE REFERENCE OF THE PRE-SOCRATS ΑΝΑΧΙΜΕΝΕS TO EXTRA PLANETS. K. Kalahanis, M. Dimitrijevic and E. Theodosiou, Lamia, March 10, 2024. Panhellenic Conference of the Union of Greek Physicists. Lamia.