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zbMath0746.47034MaRDI QIDQ3990367

Zengqin Zhao

Publication date: 28 June 1992

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

fixed points eigenvalues \(k\)-set contraction condensing field omit a direction zero topological degree

Mathematics Subject Classification ID

Fixed-point theorems (47H10) Contraction-type mappings, nonexpansive mappings, (A)-proper mappings, etc. (47H09) Degree theory for nonlinear operators (47H11) Nonlinear spectral theory, nonlinear eigenvalue problems (47J10)

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