scientific article; zbMATH DE number 1228307

zbMath0922.47057MaRDI QIDQ4220910

A. P. Kovalenko, Peter P. Zabreĭko

Publication date: 11 April 1999

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

zbMATH Keywords

Hilbert spacereflexive Banach spaceFréchet derivativeLeray-Schauder degreeBrouwer-Hopf degreedemicontinuous pseudomonotone vector fieldindex at a critical pointSkrypnik degree

Mathematics Subject Classification ID

Vector fields, frame fields in differential topology (57R25) Groups acting on specific manifolds (57S25) Nonlinear boundary value problems for linear elliptic equations (35J65) Degree theory for nonlinear operators (47H11) Degree, winding number (55M25)

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