López Acedo, Genaro The product formula. (English) Zbl 0807.47049 Collect. Math. 42, No. 2, 157-162 (1991). The author proves a product formula for the topological degree of the composition of an \(A\)-proper map and a compact perturbation of the identity. Reviewer: J.Appell (Würzburg) MSC: 47H11 Degree theory for nonlinear operators 47H09 Contraction-type mappings, nonexpansive mappings, \(A\)-proper mappings, etc. Keywords:product formula; topological degree; composition of an \(A\)-proper map and a compact perturbation of the identity PDFBibTeX XMLCite \textit{G. López Acedo}, Collect. Math. 42, No. 2, 157--162 (1991; Zbl 0807.47049) Full Text: EuDML