scientific article
From MaRDI portal
Publication:2702468
zbMath0976.47014MaRDI QIDQ2702468
Christiane Tretter, Heinz K. Langer
Publication date: 17 December 2001
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
accretive operatorcontractionKrein spaceDirac operatorspectral spaceclosable block operator matrices
Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20) PDEs in connection with relativity and gravitational theory (35Q75) Structure theory of linear operators (47A65) Linear accretive operators, dissipative operators, etc. (47B44) Linear operators on spaces with an indefinite metric (47B50)
Related Items
Perturbation results for exponentially dichotomous operators on general Banach spaces ⋮ Pseudospectrum enclosures by discretization ⋮ Complete second order linear differential operator equations in Hilbert space and applications in hydrodynamics ⋮ Finite rank perturbations and solutions to the operator Riccati equation ⋮ A new method for eigenvalue estimates for Dirac operators on certain manifolds with \(S^{k}\)-symmetry ⋮ Eigenvalue estimates for non-selfadjoint Dirac operators on the real line ⋮ Maximal \(\mathcal{J}\)-semi-definite invariant subspaces of unbounded \(\mathcal{J}\)-selfadjoint operators in Krein spaces ⋮ On invariant graph subspaces ⋮ On the Riccati equations ⋮ Dichotomous Hamiltonians with unbounded entries and solutions of Riccati equations ⋮ Existence and uniqueness of contractive solutions of some Riccati equations ⋮ A new concept for block operator matrices: The quadratic numerical range ⋮ Conditional reducibility of certain unbounded nonnegative Hamiltonian operator functions ⋮ Diagonalization of elliptic systems via pseudodifferential projections ⋮ On the spectral decomposition of dichotomous and bisectorial operators ⋮ Spectral properties of a differential system