Fixed point theory : proceedings of a conference held at Sherbrooke, Québec, Canada, June 2-21, 1980

Edited By Edward Fadell, Gilles Fournier. Global bifurcation for solutions of equations involving several parameter multivalued condensing mappings....Pages 1-19 Topological conditions for the continuation of fixed points....Pages 20-32 A measure theoretic approach to fixed points in ergodic theory....Pages 33-43 On the product theorem for the fixed point index....Pages 44-48 A fixed point theory for fiber-preserving maps....Pages 49-72 A simplical approach to the fixed point index....Pages 73-102 Fixed point theorems for approximative ANR’s....Pages 103-115 On the lefschetz coincidence theorem....Pages 116-139 Cobordisms of maps....Pages 140-153 Fibre preserving maps of sphere bundles into vector space bundles....Pages 154-162 Fixed point classes from a differential viewpoint....Pages 163-170 Fixed point sets of continuous selfmaps on polyhedra....Pages 171-177 Locally nonexpansive mappings in Banach spaces....Pages 178-198 Asymptotic centers in particular spaces....Pages 199-207 Wu-like classes and generalized peterson-stein classes....Pages 208-248 Semi-Fredholm operators and hyperbolic problems....Pages 249-264 Multi-applications du type de Kannan....Pages 265-269 on the solvability of nonlinear equations in Banach spaces....Pages 270-299 Contraction principle in pseudo-uniform spaces....Pages 300-308 Eigenvectors of nonlinear positive operators and the linear Krein-Rutman theorem....Pages 309-330 An $$\bar \varepsilon $$ - Perturbation of Brouwer’s definition of degree....Pages 331-366 Fixed points and surjectivity theorems via the A-proper mapping theory with application to differential equations....Pages 367-397 An existence theorem and application to a non-linear elliptic boundary value problem....Pages 398-408 Nonexpansive mappings with precompact orbits....Pages 409-416 Fixed point sets of continuous selfmaps....Pages 417-428 What is the right estimate for the Ljusternik-Schnirelmann covering property?....Pages 429-434 On a conjecture of hopf for α-separating maps from manifolds into spheres....Pages 435-446 The Leray-Schauder condition is necessary for the existence of solutions....Pages 447-454 A primer on connectivity....Pages 455-483 Fixed point theory for nonexpansive mappings....Pages 484-505 Open problems....Pages 506-511