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math.AT1999
Lefschetz Coincidence Theory for Maps Between Spaces of Different Dimensions
Peter Saveliev
For a given pair of maps f,g:X->M from an arbitrary topological space to an n-manifold, the Lefschetz homomorphism is a certain graded homomorphism L:H(X)->H(M) of degree (-n). We…
math.FA1999
Fixed points and selections of multifunctions on spaces with convexity
Peter Saveliev
We provide theorems containnig both Kakutani and Browder fixed points theorems as immediate corollaries, as well as Michael and Browder selection theorems. For this purpose we intr…