Weyl and Browder type theorems are characterized by means the quasi-nilpotent par
AbstractThe main objective of this work is to study generalized Browder's and Weyl's theorems for th...
Abstract. An operator T is called (p, k)-quasihyponormal if T ∗k(|T |2p − |T ∗|2p)Tk ≥ 0, (0 < p ...
In this paper, we study the stability under direct sums and restrictions of some strong variations o...
Weyl and Browder type theorems are characterized by means the quasi-nilpotent par
We characterize the bounded linear operators T satisfying generalized a-Browder's theorem, or genera...
A bounded linear operator T 08 L(X) on aBanach space X is said to satisfy "Browder's theorem" if th...
A bounded operator T 08L(X),X a Banach space, is said to verify generalized Browder\u2019s theorem i...
Abstract. Let T be a bounded linear operator on a complex Hilbert space H. T is called (p, k)-quasih...
AbstractTwo variants of the Weyl spectrum are discussed. We find, for example, that if one of them c...
summary:Let $T$ be a Banach space operator. In this paper we characterize $a$-Browder’s theorem for ...
AbstractUsing a variant of the essential approximate point spectrum, we give the necessary and suffi...
Abstract. For a bounded linear operator T we prove the following as-sertions: (a) If T is algebraica...
Two variants of the Weyl spectrum are discussed. We find, for example, that if one of them coincides...
AbstractWe characterize the bounded linear operators T defined on Banach spaces satisfying a-Browder...
An operator T acting on a Banach space X satisfies the property (UWπ) if σa(T)\σSF-+ (T) = π (T), wh...
AbstractThe main objective of this work is to study generalized Browder's and Weyl's theorems for th...
Abstract. An operator T is called (p, k)-quasihyponormal if T ∗k(|T |2p − |T ∗|2p)Tk ≥ 0, (0 < p ...
In this paper, we study the stability under direct sums and restrictions of some strong variations o...
Weyl and Browder type theorems are characterized by means the quasi-nilpotent par
We characterize the bounded linear operators T satisfying generalized a-Browder's theorem, or genera...
A bounded linear operator T 08 L(X) on aBanach space X is said to satisfy "Browder's theorem" if th...
A bounded operator T 08L(X),X a Banach space, is said to verify generalized Browder\u2019s theorem i...
Abstract. Let T be a bounded linear operator on a complex Hilbert space H. T is called (p, k)-quasih...
AbstractTwo variants of the Weyl spectrum are discussed. We find, for example, that if one of them c...
summary:Let $T$ be a Banach space operator. In this paper we characterize $a$-Browder’s theorem for ...
AbstractUsing a variant of the essential approximate point spectrum, we give the necessary and suffi...
Abstract. For a bounded linear operator T we prove the following as-sertions: (a) If T is algebraica...
Two variants of the Weyl spectrum are discussed. We find, for example, that if one of them coincides...
AbstractWe characterize the bounded linear operators T defined on Banach spaces satisfying a-Browder...
An operator T acting on a Banach space X satisfies the property (UWπ) if σa(T)\σSF-+ (T) = π (T), wh...
AbstractThe main objective of this work is to study generalized Browder's and Weyl's theorems for th...
Abstract. An operator T is called (p, k)-quasihyponormal if T ∗k(|T |2p − |T ∗|2p)Tk ≥ 0, (0 < p ...
In this paper, we study the stability under direct sums and restrictions of some strong variations o...