Publications (19)
Numerical Range and Quadratic Numerical Range for Damped Systems
Birgit Jacob, Christiane Tretter, Carsten Trunk +1
Spectral bounds for singular indefinite Sturm-Liouville operators with $L^1$--potentials
Jussi Behrndt, Philipp Schmitz, Carsten Trunk
Operator based approach to PT-symmetric problems on a wedge-shaped contour
Florian Leben, Carsten Trunk
On Domains of PT Symmetric Operators Related to -y''(x) + (-1)^n x^{2n}y(x)
Tomas Ya. Azizov, Carsten Trunk
Variational principles for self-adjoint operator functions arising from second-order systems
Birgit Jacob, Matthias Langer, Carsten Trunk
On a class of $J$-self-adjoint operators with empty resolvent set
Sergii Kuzhel, Carsten Trunk
Analyticity and Riesz basis property of semigroups associated to damped vibrations
Birgit Jacob, Carsten Trunk, Monika Winklmeier
The invertibility of 2X2 operator matrices
Junjie Huang, Junfeng Sun, Alatancang Chen +1
Local spectral theory for normal operators in Krein spaces
Friedrich Philipp, Vladimir Strauss, Carsten Trunk
PT Symmetric, Hermitian and P-Self-Adjoint Operators Related to Potentials in PT Quantum Mechanics
Tomas Azizov, Carsten Trunk
On a class of non-Hermitian matrices with positive definite Schur complements
Thomas Berger, Juan Ignacio Giribet, Francisco MartÃnez PerÃa +1
Spectrum of $J$-frame operators
Juan Ignacio Giribet, Matthias Langer, Leslie Leben +3
The numerical range of non-negative operators in Krein spaces
Friedrich Philipp, Carsten Trunk
Locally finite extensions and Gesztesy-Å eba realizations for the Dirac operator on a metric graph
Hannes Gernandt, Carsten Trunk
Eigenvalue estimates for singular left-definite Sturm-Liouville operators
Jussi Behrndt, Roland Moews, Carsten Trunk
The effect of finite rank perturbations on Jordan chains of linear operators
Jussi Behrndt, Leslie Leben, Francisco MartÃnez PerÃa +1
Spectral Points of Type $Ï_+$ and Type $Ï_-$ of Closed Operators in Indefinite Inner Product Spaces
Friedrich Philipp, Carsten Trunk
Bounds on the non-real spectrum of differential operators with indefinite weights
Jussi Behrndt, Friedrich Philipp, Carsten Trunk
Eigenvalue placement for regular matrix pencils with rank one perturbations
Hannes Gernandt, Carsten Trunk