arcwise connected group
1Connected space — For other uses, see Connection (disambiguation). Connected and disconnected subspaces of R² The green space A at top is simply connected whereas the blue space B below is not connected …
2Hilbert's fifth problem — Hilbert s fifth problem, from the Hilbert problems list promulgated in 1900 by David Hilbert, concerns the characterization of Lie groups. The theory of Lie groups describes continuous symmetry in mathematics; its importance there and in… …
3Rips machine — In geometric group theory, the Rips machine is a method of studying the action of groups on R trees. It was introduced in unpublished work of Eliyahu Rips in about 1991. An R tree is a uniquely arcwise connected metric space in which every arc is …
4Hidehiko Yamabe — (jap. 山辺 英彦, Yamabe Hidehiko; * 22. August 1923 in Ashiya, Präfektur Hyōgo; † 20. November 1960 in Evanston, Illinois) war ein japanischer Mathematiker. Inhaltsverzeichnis 1 Leben 2 Werk …
