scientific article; zbMATH DE number 3056504

zbMath0037.20601MaRDI QIDQ5795676

M. G. Krejn

Publication date: 1950

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

zbMATH Keywords

Functional analysis

Mathematics Subject Classification ID

Fixed-point theorems (47H10) Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20)

Related Items (9)

Fuglede-Putnam theorem in algebras with involutions ⋮ On the Hamiltonian–Krein index for a non-self-adjoint spectral problem ⋮ Homogenization of spectral problem for locally periodic elliptic operators with sign-changing density function ⋮ On representations of groups and algebras in spaces with indefinite metric ⋮ Spectral methods for orthogonal rational functions ⋮ Invariant subspaces of certain linear operators ⋮ Operator linear-fractional relations: main properties and applications ⋮ Balancing gain and loss in symmetrised multi-well potentials ⋮ Maximal Semidefinite Invariant Subspaces for J-dissipative Operators

This page was built for publication: