Add to ORKGWe extend the Fuglede–Putnam theorem modulo the Hilbert– Schmidt class to almost normal m-tuples of operators with finite Hilbert– Schmidt modulus of quasitriangularity
Abstract. Let H be a separable infinite dimensional complex Hilbert space, and let B(H) denote the a...
Abstract. In [22] the author proved that, for a M-hyponormal operator A ∗ and for a dominant operato...
AbstractIf A commutes with the commutator [A, ℬ] then following the Kleinecke-Shirokov theorem [A, ℬ...
Abstract. The familiar Fuglede-Putnam Theorem is as follows (see [5], [11] and [12]): If A and B are...
We show that if T ∈() is a (p,k)-quasihyponormal operator and S ∗ ∈() is a p-hyponormal operator, an...
We extend the Putnam-Fuglede theorem and the second-degree Putnam-Fuglede theorem to the nonnormal o...
We extend the Putnam-Fuglede theorem and the second-degree Putnam-Fuglede theorem to the nonnormal o...
Abstract. The equation AX = XB implies A∗X = XB ∗ when A and B are nor-mal operators is known as the...
Let N,M be unbounded normal operators in a Hilbert space and let T be a closed operator whose domain...
Abstract. We say operators A,B on Hilbert space satisfy Fuglede-Putnam theorem if AX = XB for some X...
Abstract. The equation AX = XB implies A∗X = XB ∗ when A and B are normal is known as the familiar F...
For a bounded linear operator $T$ acting on acomplex infinite dimensional Hilbert space $\h,$ we say...
Abstract. The equation AX = XB implies A∗X = XB ∗ when A and B are normal is known as the familiar F...
Abstract. The familiar Fuglede-Putnam’s theorem is as follows: If A ∈ B(H) and B ∈ B(K) are normal o...
Abstract. In this paper, we prove the following assertions: (1) If the pair of operators (A,B∗) sati...
Abstract. Let H be a separable infinite dimensional complex Hilbert space, and let B(H) denote the a...
Abstract. In [22] the author proved that, for a M-hyponormal operator A ∗ and for a dominant operato...
AbstractIf A commutes with the commutator [A, ℬ] then following the Kleinecke-Shirokov theorem [A, ℬ...
Abstract. The familiar Fuglede-Putnam Theorem is as follows (see [5], [11] and [12]): If A and B are...
We show that if T ∈() is a (p,k)-quasihyponormal operator and S ∗ ∈() is a p-hyponormal operator, an...
We extend the Putnam-Fuglede theorem and the second-degree Putnam-Fuglede theorem to the nonnormal o...
We extend the Putnam-Fuglede theorem and the second-degree Putnam-Fuglede theorem to the nonnormal o...
Abstract. The equation AX = XB implies A∗X = XB ∗ when A and B are nor-mal operators is known as the...
Let N,M be unbounded normal operators in a Hilbert space and let T be a closed operator whose domain...
Abstract. We say operators A,B on Hilbert space satisfy Fuglede-Putnam theorem if AX = XB for some X...
Abstract. The equation AX = XB implies A∗X = XB ∗ when A and B are normal is known as the familiar F...
For a bounded linear operator $T$ acting on acomplex infinite dimensional Hilbert space $\h,$ we say...
Abstract. The equation AX = XB implies A∗X = XB ∗ when A and B are normal is known as the familiar F...
Abstract. The familiar Fuglede-Putnam’s theorem is as follows: If A ∈ B(H) and B ∈ B(K) are normal o...
Abstract. In this paper, we prove the following assertions: (1) If the pair of operators (A,B∗) sati...
Abstract. Let H be a separable infinite dimensional complex Hilbert space, and let B(H) denote the a...
Abstract. In [22] the author proved that, for a M-hyponormal operator A ∗ and for a dominant operato...
AbstractIf A commutes with the commutator [A, ℬ] then following the Kleinecke-Shirokov theorem [A, ℬ...