Maps of Degree 1 and Lusternik--Schnirelmann Category
Yuli Rudyak
所有作者
Yuli Rudyak
文献摘要
Given a map f:M→N of degree 1 of closed manifolds. Is it true that the
Lusternik–Schnirelmann category of the range of the map is not more that the
category of the domain? We discuss this and some related questions.