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LINEAR COMBINATIONS OF COMPOSITION OPERATORS WITH LINEAR SYMBOLS ON A HILBERT SPACE OF DIRICHLET SERIES

期刊: JOURNAL OF OPERATOR THEORY, 2021; 86 (1)

On the Hilbert space of Dirichlet series with square summable coefficients, we show that the linear combinations of two composition operators induced ......

MAXIMAL HAAGERUP SUBALGEBRAS IN L(Z(2) (sic) SL2 (Z))

期刊: JOURNAL OF OPERATOR THEORY, 2021; 86 (1)

We prove that L (SL2 (k)) is a maximal Haagerup-von Neumann subalgebra in L (k(2) (sic) SL2 (k)) for k = Q and k = Z. The key step for the proof is a ......

A NOTE ON CROSSED PRODUCTS OF ROTATION ALGEBRAS

期刊: JOURNAL OF OPERATOR THEORY, 2021; 85 (2)

We compute the K-theory of crossed products of rotation algebras A(theta), for any real angle theta, by matrices in SL (2, Z) with infinite order. Usi......

MIXED PRODUCTS OF TOEPLITZ AND HANKEL OPERATORS ON THE FOCK SPACE

期刊: JOURNAL OF OPERATOR THEORY, 2020; 84 (1)

For entire functions f and g we determine exactly when the product H((f) over bar)T((g) over bar )of the Hankel operator H-(f) over bar and the Toepli......

SPECTRA OF WEIGHTED COMPOSITION OPERATORS INDUCED BY AUTOMORPHISMS

期刊: JOURNAL OF OPERATOR THEORY, 2020; 83 (1)

In this paper we will give some results about the spectra of non-invertible weighted composition operators induced by automorphisms on several Hilbert......

A NOTE ON RELATIVE AMENABILITY OF FINITE VON NEUMANN ALGEBRAS

期刊: JOURNAL OF OPERATOR THEORY, 2019; 81 (1)

Let M be a finite von Neumann algebra (respectively, a type II1 factor) and let N subset of M be a II(1 )factor (respectively, N subset of M have an a......

JIF:0.67

OPERATOR-VALUED LOCAL HARDY SPACES

期刊: JOURNAL OF OPERATOR THEORY, 2019; 82 (2)

This paper gives a systematic study of operator-valued local Hardy spaces, which are localizations of the Hardy spaces defined by Mei. We prove the h(......

JIF:0.67

SIMILARITY DEGREE OF TYPE II1 VON NEUMANN ALGEBRAS WITH PROPERTY Gamma

期刊: JOURNAL OF OPERATOR THEORY, 2018; 79 (2)

In this paper, we discuss some equivalent definitions of Property Gamma for a type II1 von Neumann algebra. Using these equivalent definitions, we pro......

JIF:0.67

A COMBINATORIAL RESULT ON ASYMPTOTIC INDEPENDENCE RELATIONS FOR RANDOM MATRICES WITH NON-COMMUTATIVE ENTRIES

期刊: JOURNAL OF OPERATOR THEORY, 2018; 80 (1)

The paper gives a class of permutations such that a semicircular matrix is free independent, or asymptotically free independent from the semicircular ......

JIF:0.67

METRIC PRESERVING BIJECTIONS BETWEEN POSITIVE SPHERICAL SHELLS OF NON-COMMUTATIVE L-p-SPACES

期刊: JOURNAL OF OPERATOR THEORY, 2018; 80 (2)

Let L-p(M) be the non-commutative L-p-space associated to a von Neumann algebra M with the canonical positive cone L-+(p)(M). Consider L-+(p)(M)(1-eps......

JIF:0.67

SUBMODULES OF THE HARDY MODULE IN INFINITELY MANY VARIABLES

期刊: JOURNAL OF OPERATOR THEORY, 2018; 80 (2)

This paper is concerned with polynomially generated submodules of the Hardy module H-2 (D-2(infinity)). Since the polynomial ring P-infinity in infini......

JIF:0.67

HYPERCONTRACTIVITY OF HEAT SEMIGROUPS ON FREE QUANTUM GROUPS

期刊: JOURNAL OF OPERATOR THEORY, 2017; 77 (1)

In this paper we study two semigroups of completely positive unital self-adjoint maps on the von Neumann algebras of the free orthogonal quantum group......

JIF:0.54

COMPLEX SYMMETRIC GENERATORS FOR OPERATOR ALGEBRAS

期刊: JOURNAL OF OPERATOR THEORY, 2017; 77 (2)

In this paper we explore the complex symmetric generator problem for operator algebras, that is, the problem of determining which operator algebras ca......

JIF:0.54

TWISTED TOPOLOGICAL GRAPH ALGEBRAS ARE TWISTED GROUPOID C*-ALGEBRAS

期刊: JOURNAL OF OPERATOR THEORY, 2017; 78 (1)

In Twisted topological graph algebras, to appear in Houston J. Math., the second author showed how Katsura's construction of the C*-algebra of a topol......

JIF:0.54

ERGODIC INVARIANT STATES AND IRREDUCIBLE REPRESENTATIONS OF CROSSED PRODUCT C*-ALGEBRAS

期刊: JOURNAL OF OPERATOR THEORY, 2017; 78 (1)

Motivated by reformulating Furstenberg's x p, x q conjecture via representations of a crossed product C*-algebra, we show that in a discrete C*-dynami......

JIF:0.54

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