Maximal invariant neutral subspaces and an application to the algebraic Riccati equation.
Eigenspaces of Families of Toeplitz Operators with Rational Matrix Symbols
Bounded and stably bounded palindromic difference equations of first order.
Comparison of congruences and strict equivalences for real, complex, and quaternionic matrix pencils with symmetries.
Hamiltonian square roots of skew Hamiltonian quaternionic matrices.
Isotropic subspaces for pairs of Hermitian matrices.
Shapes and computer generation of numerical ranges of Krein space operators.
Analytic roots of invertible matrix functions.
Ranges of Sylvester maps and a minimal rank problem.
Multiplicative maps on invertible matrices that preserve matricial properties.
Minimal distortion problems for classes of unitary matrices.
Multiblock problems for almost periodic matrix functions of several variables.
Tracial numerical ranges and linear dependence of operators.
Spectral radius preservers of products of monnegative matrices.
Hyponormal matrices and semidefinite invariant subspaces in indefinite inner products.
Shells of matrices in indefinite inner product spaces.
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