Abstract. For a completely bounded linear maps between operator sp-aces, we introduce numbers which measure the degree of injectivity and surjectivity. The number measuring the injectivity is an operator space analogue of the minimum modulus of a linear map in normed spaces. 1
Let B(X) be the algebra of all bounded linear operators on an infinite dimensional complex Banach sp...
AbstractLet B(H) be the bounded operators on a Hilbert space H. A linear subspace R ⊆ B(H) is said t...
In this article, we introduce the notion of (topological) degree for maximums of linear mappings (ML...
Abstract. For a completely bounded linear maps between operator sp-aces, we introduce numbers which ...
Let X and Y be normed linear spaces and T(X → Y ) a linear operator. We investigate operator qu...
AbstractLet B(H) be the algebra of all bounded linear operators on a complex infinite-dimensional Hi...
AbstractWe describe linear maps from a C∗-algebra onto another one preserving different spectral qua...
Abstract. The minimum modulus γ(T) of an operator T is useful in perturbation theory because it char...
A classical result of Apostol (MichiganMath. J. 32, 279–294, 1985) concerning the reduced minimum mo...
AbstractThe degree of approximation inLp-spaces by positive linear operators is estimated in terms o...
We define and discuss properties of the class of unbounded operators which attain minimum modulus. W...
We define and discuss properties of the class of unbounded operators which attain minimum modulus. W...
We define and discuss properties of the class of unbounded operators which attain minimum modulus. W...
Abstract. In this article, we study the reduced minimum modulus of the Drazin inverse of an operator...
Let X and Y be two Banach spaces, and let T:X→Y be a bounded linear operator. We study the perturbat...
Let B(X) be the algebra of all bounded linear operators on an infinite dimensional complex Banach sp...
AbstractLet B(H) be the bounded operators on a Hilbert space H. A linear subspace R ⊆ B(H) is said t...
In this article, we introduce the notion of (topological) degree for maximums of linear mappings (ML...
Abstract. For a completely bounded linear maps between operator sp-aces, we introduce numbers which ...
Let X and Y be normed linear spaces and T(X → Y ) a linear operator. We investigate operator qu...
AbstractLet B(H) be the algebra of all bounded linear operators on a complex infinite-dimensional Hi...
AbstractWe describe linear maps from a C∗-algebra onto another one preserving different spectral qua...
Abstract. The minimum modulus γ(T) of an operator T is useful in perturbation theory because it char...
A classical result of Apostol (MichiganMath. J. 32, 279–294, 1985) concerning the reduced minimum mo...
AbstractThe degree of approximation inLp-spaces by positive linear operators is estimated in terms o...
We define and discuss properties of the class of unbounded operators which attain minimum modulus. W...
We define and discuss properties of the class of unbounded operators which attain minimum modulus. W...
We define and discuss properties of the class of unbounded operators which attain minimum modulus. W...
Abstract. In this article, we study the reduced minimum modulus of the Drazin inverse of an operator...
Let X and Y be two Banach spaces, and let T:X→Y be a bounded linear operator. We study the perturbat...
Let B(X) be the algebra of all bounded linear operators on an infinite dimensional complex Banach sp...
AbstractLet B(H) be the bounded operators on a Hilbert space H. A linear subspace R ⊆ B(H) is said t...
In this article, we introduce the notion of (topological) degree for maximums of linear mappings (ML...