2012-09Contenus (5 total)

Web
2012-09; Ginoux, Jean-Marc; Télégraphie sans fil;
In 1908 Henri Poincaré gave a series of ‘forgotten lectures’ on wireless telegraphy in which he demonstrated the existence of a stable limit cycle in the phase plane. In 1929 Aleksandr Andronov published a short note in the Comptes Rendus in…

Web
2012-09; Gray, Jeremy; Mathématiques;
In many different fields of mathematics and Physics Poincar´e found many uses for the idea of||a group, but not for group theory. He used the idea in his work on automorphic functions, in number theory, in his epistemology, Lie theory (on the…

Mots-clés: ,

Web
2012-09; van Dalen, Dirk; Philosophie;
In the beginning of the twentieth century the Dutchmathematician Luitzen Egbertus Jan Brouwer published his first papers on intuition and logic. There is no indication that Henri Poincaré was aware of these publications, but it would have been…

Mots-clés: ,

Web
2012-09; Verhulst, Ferdinand; Géométrie;
Henri Poincaré hadmany interests, both inside and outside science. His special attention in this was devoted to the interaction between different fields of knowledge. In this article Ferdinand Verhulst goes into the interaction between mathematical…

Web
2012-09; Siersma, Dirk; Géométrie;
In 1895 Henri Poincare published his topological work ‘Analysis Situs’. A new subdiscipline in mathematics was born. Analysis Situs was an inspiration to new fields like algebraic topology,||Morse theory and cobordism. With use of today’s…
Formats de sortie

atom, dcmes-xml, json, omeka-json, omeka-xml, rss2