Pseudoisotopy theorem information

In mathematics, the pseudoisotopy theorem is a theorem of Jean Cerf's which refers to the connectivity of a group of diffeomorphisms of a manifold. Given...

equivalent to the Poincaré conjecture. In 1970 Jean Cerf proved the pseudoisotopy theorem which implies that π 0 Diff + ⁡ ( D n ) {\displaystyle \pi _{0}\operatorname...

de plongements." Bull. Soc. Math. France 89, no. 196 (1961): 227–380. "Théorèmes de fibration des espaces de plongements. Applications." Séminaire Henri...

Société Mathématique de France, Paris, 1973. 275 pp. Kiyoshi Igusa, Stability theorem for smooth pseudoisotopies. K-Theory 2 (1988), no. 1-2, vi+355....