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On the history of negative and complex numbers interpretation
Galina I. Sinkevich
The history of the development of the concept of complex numbers from the 16th to 19th centuries. The origin and refinement of the geometric and physical meaning of complex numbers…
In Search of Shadows: the First Topological Conference, Moscow 1935
D. E. Apushkinskaya, A. I. Nazarov, G. I. Sinkevich
We discuss some mistakes and curiosities concerned with the celebrated First International Topological Conference in Moscow, 1935.
History of Leningrad Mathematics in the first half of the 20th century
Alexander I. Nazarov, Galina I. Sinkevich
The first half of the 20th century in the history of Russian mathematics is striking with a combination of dramaticism, sometimes a tragedy, and outstanding achievements. The paper…
Historia matheseos. Early development stage history of mathematics, historiography
Galina Sinkevich
This article focuses on evolvement of the history of mathematics as a science and development of its methodology from the 4th century B.C. to the age of Enlightenment.
Rolle Theorem and Bolzano-Cauchy Theorem from the end of the 17th century to K. Weierstrass epoch
Galina Sinkevich
A history of two Rolle Theorems, about the root of derivative and about root interval from 1690 till the end of XIX century.
Georg Cantor from St. Petersburg. Childhood and history of the family. Archival research
G. I. Sinkevich
Georg Cantor (1845-1918) was born, and spent the first 11 years of his life in St. Petersburg. The present lecture is devoted to his childhood and his family. Most of these documen…