The properties of expanding and contracting invariant sets ot an endomorphism are dis-cussed. The strong hyperbolicity and strong Axiom A property of endomorphisms have beendefined, and an R-stability theorem was proved.
文摘The properties of expanding and contracting invariant sets ot an endomorphism are dis-cussed. The strong hyperbolicity and strong Axiom A property of endomorphisms have beendefined, and an R-stability theorem was proved.