AbstractLet X be a finite-dimensional complex vector space. We give an explicit formula for the reflexivity defect of the kernel of an arbitrary elementary operator of length 2, i.e., an elementary operator of the form Δ(T)=A1TB1-A2TB2(T∈L(X)) where A1,A2 and B1,B2 are linearly independent
Let ℒ be a script J sign-subspace lattice on a Banach space X, Algℒ be the associated reflexive alge...
AbstractIn this paper, we show that if S is an n-dimensional subspace of L(V) such that every nonzer...
AbstractKreĭn's formula provides a parametrization of the generalized resolvents and Štraus extensio...
AbstractLet X be a finite-dimensional complex vector space. We give an explicit formula for the refl...
AbstractFor a finite-dimensional linear subspace S⊆L(V,W) and a positive integer k, the k-reflexivit...
AbstractFor a finite-dimensional linear subspace S⊆L(V,W) and a positive integer k, the k-reflexivit...
For a finite-dimensional linear subspace ▫{$mathscr{S}} subseteq {mathscr{L}} (V,W)$▫ and a positive...
AbstractA linear operator A is called reflexive if the only operators that leave invariant the invar...
A construction is given of a reflexive operator T acting on a separable Hilbert space H with the pro...
A construction is given of a reflexive operator T acting on a separable Hilbert space H with the pro...
AbstractThere is a close connection between separating vectors and reflexivity. But the existence of...
Let H be a separable complex Hilbert space and let B(H) be the set of all bounded operators on H. ...
summary:Let $T,T^{\prime }$ be weak contractions (in the sense of Sz.-Nagy and Foiaş), $m,m^{\prime ...
Let ℒ be a script J sign-subspace lattice on a Banach space X, Algℒ be the associated reflexive alge...
Let H be a separable complex Hilbert space and let B(H) be the set of all bounded operators on H. ...
Let ℒ be a script J sign-subspace lattice on a Banach space X, Algℒ be the associated reflexive alge...
AbstractIn this paper, we show that if S is an n-dimensional subspace of L(V) such that every nonzer...
AbstractKreĭn's formula provides a parametrization of the generalized resolvents and Štraus extensio...
AbstractLet X be a finite-dimensional complex vector space. We give an explicit formula for the refl...
AbstractFor a finite-dimensional linear subspace S⊆L(V,W) and a positive integer k, the k-reflexivit...
AbstractFor a finite-dimensional linear subspace S⊆L(V,W) and a positive integer k, the k-reflexivit...
For a finite-dimensional linear subspace ▫{$mathscr{S}} subseteq {mathscr{L}} (V,W)$▫ and a positive...
AbstractA linear operator A is called reflexive if the only operators that leave invariant the invar...
A construction is given of a reflexive operator T acting on a separable Hilbert space H with the pro...
A construction is given of a reflexive operator T acting on a separable Hilbert space H with the pro...
AbstractThere is a close connection between separating vectors and reflexivity. But the existence of...
Let H be a separable complex Hilbert space and let B(H) be the set of all bounded operators on H. ...
summary:Let $T,T^{\prime }$ be weak contractions (in the sense of Sz.-Nagy and Foiaş), $m,m^{\prime ...
Let ℒ be a script J sign-subspace lattice on a Banach space X, Algℒ be the associated reflexive alge...
Let H be a separable complex Hilbert space and let B(H) be the set of all bounded operators on H. ...
Let ℒ be a script J sign-subspace lattice on a Banach space X, Algℒ be the associated reflexive alge...
AbstractIn this paper, we show that if S is an n-dimensional subspace of L(V) such that every nonzer...
AbstractKreĭn's formula provides a parametrization of the generalized resolvents and Štraus extensio...
DOI
Add to ORKG