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Cyparissos Stephanos

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Greek mathematician and university professor
Cyparissos Stephanos
BornMay 11, 1857
Kea, Greece
Died27 December 1917(1917-12-27) (aged 60)
Athens, Greece
NationalityGreek
Alma materUniversity of Athens
Sorbonne
Known forDesmic system
Geometry of the Spheres
Scientific career
FieldsMathematics
InstitutionsUniversity of Athens
Doctoral advisorsVassilios Lakon
Jean Gaston Darboux

Kyparissos Stefanos (Greek: Κυπάρισσος Στέφανος; May 11, 1857 - December 27, 1917) was a Greek author, mathematician, and professor. He was a pioneer in 20th century projective geometry. He studied with Vassilios Lakon. Stefanos furthered his studies in France following the same path of Timoleon Argyropoulos, Dimitrios Stroumpos, and Vassilios Lakon. In France, Stefanos studied with Jean Gaston Darboux, Camille Jordan, and Charles Hermite. Jean Gaston Darboux was his doctoral advisor. He wrote articles in the fields of mathematical analysis, higher algebra, theoretical mechanics, and topology. He published around twenty-five original works in European journals. He is known for introducing Desmic system.

He received his PhD in 1878 from the National and Kapodistrian University of Athens. In 1879 he became a member of l'Société mathématique de France. In the early 1880s he studied mathematics in Paris and published many papers in various journals. He returned to Greece and in 1884 was appointed honorary professor and in 1890 regular professor at the National and Kapodistrian University of Athens. He was also a professor at the National Technical University of Athens and the Hellenic Naval Academy. Stefanos was an invited speaker at the International Congress of Mathematicians in 1897 at Zurich, in 1900 at Paris, in 1904 at Heidelberg, in 1908 at Rome, and in 1912 at Cambridge (England).

History

Stefanos was born on the island of Kea, where his father worked as a school teacher. His brother was Clon Stefanos [el], a noted anthropologist. Kyparissos went to school in Syros and pursued studies at the University of Athens. He was awarded a PhD in mathematics in 1878. Stefanos also traveled to Paris and studied at the Sorbonne. His doctoral advisor was Jean Gaston Darboux. He also studied with world-renowned mathematicians Camille Jordan, and Charles Hermite. He obtained a doctorate from the Sorbonne in 1880. His dissertation was On the Theory of Binary Forms and Elimination (Sur la Theorie des Formes Binaires et sur l'Elimination).

While Stefanos was in Paris he met Hermann Schwarz. The two discussed Karl Weierstrass's hypercomplex numbers theorem. In 1883, Stefanos proved that the theorem fails when three-dimensional hypercomplex numbers are applied. Stefanos returned to Athens in 1884. He became professor at the University of Athens. He also taught at the elite National Technical University of Athens and Evelpidon. He was the rector of the University of Athens 1908-1909.

He represented Greece in countless international mathematical congresses. He was a member of various mathematical societies. He was the founder of the agricultural society. He was the founder and director of the first school of commerce in Athens. He co-founded the Athens Forestry Preservation Society (Φιλοδασικής Εταιρείας) and the Society of Commerce. He was also the organizer and president of the teachers association in Athens.

Literary works

Books and Articles authored by Kyparissos Stefanos
Date Title Title in English
1879 Sur les Systèmes Desmiques de Trois Tétraèdres On the Desmic system of Three Tetrahedrons
1881 Sur une Configuration Remarquable de Cercles Dans L'Espaces The Configuration of Circles in Space
1882 Sur l’ Intégration d’ une Function Rationnelle Homogéne Integration of a Homogeneous Rational Function
1883 Sur la Théorie des Formes Binaires et Sur l'Èlimination Theory of Binary Forms and Elimination
1883 Sur les Relations Qui Existent Entre les Convariants et les Invariants de Caractére Pair d’ Une Forme Binaire du Sixiéme Ordre On the Relations that Exist Between the Convariants and the Even-Character Invariants of a Sixth-Order Binary Form.
1883 Sur le Systéme Complet des Combinants de Deux Formes Binaires Biquadratiques On the Complete System of Combinations of two Forms Biquadratic Binaries
1883 Sur un Probléme de la Theorie d’ Èlimination Theory of Elimination
1900 Sur une Extension du Calcul des Substitutions Linéaires Extension of Calculus Linear Substitution
1906 Sur les Forces Donnant Lieu à des Trajectories Coniques The Forces giving Rise to Conical Trajectories

See also

References

  1. Staff Writers (September 27, 2022). "Stefanos Kyparissos". The European Digital Mathematics Library. Retrieved September 27, 2022.
  2. ^ Georgiadou 2013, p. 446.
  3. Triandafillos Sklavenitis (September 27, 2022). "Stefanos Kyparissos". Institute for Neohellenic Research. Retrieved September 27, 2022.
  4. "État de la S.M.F. au commencement de l'année 1916" (PDF). Bulletin de la Société Mathématique de France. tome 44. 1916.
  5. "Stephanos, Cyparissos". Catalogue of Scientific Papers: 3rd ser. 1874–1883. 1896. pp. 491–492.
  6. ^ Lützen 2001, p. 232.
  7. Athansios Lipordezis. "Stefanos Kyparissos" (PDF). The Constantin Carathéodory Society's Newspaper 7th Edition (Komotini, Gr), Page 2. Museum of Constantin Carathéodory. Retrieved September 27, 2022.
  8. Skintzopoulou 1918, pp. 2.
  9. Stefanidou 1952, pp. 23–25.
  10. Skintzopoulou 1918, pp. 2–3.
  11. Stefanidou 1952, pp. 25.
  12. Stephanos 1881, pp. 578–580.

Bibliography

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