Results 11 to 20 of about 233 (39)

A non-self-adjoint Lebesgue decomposition

open access: yes, 2013
We study the structure of bounded linear functionals on a class of non-self-adjoint operator algebras that includes the multiplier algebra of every complete Nevanlinna-Pick space, and in particular the multiplier algebra of the Drury-Arveson space.
Kennedy, Matthew, Yang, Dilian
core   +1 more source

Perturbations of nuclear C*-algebras

open access: yes, 2009
Kadison and Kastler introduced a natural metric on the collection of all C*-subalgebras of the bounded operators on a separable Hilbert space. They conjectured that sufficiently close algebras are unitarily conjugate.
A Kishimoto   +36 more
core   +2 more sources

Bimodules over Cartan MASAs in von Neumann Algebras, Norming Algebras, and Mercer's Theorem [PDF]

open access: yes, 2013
In a 1991 paper, R. Mercer asserted that a Cartan bimodule isomorphism between Cartan bimodule algebras A_1 and A_2 extends uniquely to a normal *-isomorphism of the von Neumann algebras generated by A_1 and A_2 [13, Corollary 4.3].
Cameron, Jan   +2 more
core   +4 more sources

Isometries of a generalized tridiagonal algebras A(m)"2n [PDF]

open access: yes, 1994
Let A(m)2n be a generalization of a tridiagonal algebra which is defined in the introduction. In this paper it is proved that if φ: A(m)2n → A(m)2n is a surjective isometry, then there exsits a unitary operator U such that φ(A)=U*AU for all A in A(m)2n ...
Ha Dae Yeon, Jo Young Soo
core  

Applications of operator space theory to nest algebra bimodules

open access: yes, 2011
Recently Blecher and Kashyap have generalized the notion of W* modules over von Neumann algebras to the setting where the operator algebras are \sigma- weakly closed algebras of operators on a Hilbert space.
Eleftherakis, G. K.
core  

Normalizers of Operator Algebras and Reflexivity

open access: yes, 2002
The set of normalizers between von Neumann (or, more generally, reflexive) algebras A and B, (that is, the set of all operators x such that xAx* is a subset of B and x*Bx is a subset of A) possesses `local linear structure': it is a union of reflexive ...
Katavolos, A., Todorov, I. G.
core  

Kernel maps and operator decomposition

open access: yes, 2019
We introduce the notions of kernel map and kernel set of a bounded linear operator on a Hilbert space relative to a subspace lattice. The characterization of the kernel maps and kernel sets of finite rank operators leads to showing that every norm closed
Matos, Gabriel, Oliveira, Lina
core  

Hyperreflexivity of the bounded n-cocycle spaces of Banach algebras [PDF]

open access: yes
The concept of hyperreflexivity has previously been defined for subspaces of $B(X,Y)$, where $X$ and $Y$ are Banach spaces. We extend this concept to the subspaces of $B^n(X,Y)$, the space of bounded $n$-linear maps from $X\times\cdots\times X=X^{(n ...
Soltani Farsani, Jafar
core  

Stable isomorphism of dual operator spaces [PDF]

open access: yes, 2010
Eleftherakis, G.   +2 more
core   +1 more source

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