We discuss the spectral mapping properties of the upper Weyl and upper Browder spectra of an arbitrary ordered Banach algebra element.Mathematics Subject Classication (2010): 46H05, 47A10, 47B65.Key words: Fredholm theory, upper Weyl spectrum, upper Browder spectrum, orderedBanach algebra, central operator
summary:In this paper, we give a new approach to the study of Weyl-type theorems. Precisely, we intr...
summary:In this paper, we give a new approach to the study of Weyl-type theorems. Precisely, we intr...
We shall consider properties which are related to Weyl type theorem for bounded linear operators , d...
This paper illustrates some initial steps taken in the effort of unifying the theory of positivity i...
Since its inception, Fredholm theory has become an important aspect of spectral theory. Among the s...
Abstract. “Weyl’s theorem holds ” for an operator T on a Banach space X when the comple-ment in the ...
This monograph concerns the relationship between the local spectral theory and Fredholm theory of bo...
This book is dedicated to the spectral theory of linear operators on Banach spaces and of elements i...
AbstractWe find necessary and sufficient conditions for a Banach space operator T to satisfy the gen...
summary:We show that the index defined via a trace for Fredholm elements in a Banach algebra has the...
summary:We show that the index defined via a trace for Fredholm elements in a Banach algebra has the...
AbstractLet σab(T)={λ∈C:T-λIisnotanuppersemi-Fredholmoperatorwithfiniteascent} be the Browder essent...
The spectral mapping theorems for Browder spectrum and for semi-Browder spectra have been proved by ...
summary:An operator $T$ acting on a Banach space $X$ possesses property $({\rm gw})$ if $\sigma _a(T...
An operator in a Banach space is called upper (lower) semi-Browder if it is upper (lower) semi-Fredh...
summary:In this paper, we give a new approach to the study of Weyl-type theorems. Precisely, we intr...
summary:In this paper, we give a new approach to the study of Weyl-type theorems. Precisely, we intr...
We shall consider properties which are related to Weyl type theorem for bounded linear operators , d...
This paper illustrates some initial steps taken in the effort of unifying the theory of positivity i...
Since its inception, Fredholm theory has become an important aspect of spectral theory. Among the s...
Abstract. “Weyl’s theorem holds ” for an operator T on a Banach space X when the comple-ment in the ...
This monograph concerns the relationship between the local spectral theory and Fredholm theory of bo...
This book is dedicated to the spectral theory of linear operators on Banach spaces and of elements i...
AbstractWe find necessary and sufficient conditions for a Banach space operator T to satisfy the gen...
summary:We show that the index defined via a trace for Fredholm elements in a Banach algebra has the...
summary:We show that the index defined via a trace for Fredholm elements in a Banach algebra has the...
AbstractLet σab(T)={λ∈C:T-λIisnotanuppersemi-Fredholmoperatorwithfiniteascent} be the Browder essent...
The spectral mapping theorems for Browder spectrum and for semi-Browder spectra have been proved by ...
summary:An operator $T$ acting on a Banach space $X$ possesses property $({\rm gw})$ if $\sigma _a(T...
An operator in a Banach space is called upper (lower) semi-Browder if it is upper (lower) semi-Fredh...
summary:In this paper, we give a new approach to the study of Weyl-type theorems. Precisely, we intr...
summary:In this paper, we give a new approach to the study of Weyl-type theorems. Precisely, we intr...
We shall consider properties which are related to Weyl type theorem for bounded linear operators , d...