Operators and Matrices · Volume 10, Issue 3

Variational principles for self-adjoint operator functions arising from second-order systems

10-29 Pages 501-531 DOI 10.7153/oam-10-29

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Authors

Birgit Jacob Matthias Langer Carsten Trunk

Keywords

block operator matrices variational principle operator function second-order equations spectrum essential spectrum sectorial form

Subject classes

47A56 49R05 47A10