An operator T on a complex Hilbert space is called a 2-isometry if T*2 T2 - 2T* T + I = 0. Our underlying purpose in this article is to investigate some algebraic and spectral properties of 2-isometries
AbstractA (not necessarily linear) mapping Φ from a Banach space X to a Banach space Y is said to be...
Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/46259/1/209_2005_Article_BF01110017.pd
We use the fixed point alternative theorem to prove that, under suitable conditions, every A-valued ...
Abstract. An operator T on a complex Hilbert space is called a 2–isometry if T ∗2T 2−2T ∗T+I = 0. Ou...
Abstract. An operator T on a complex Hilbert space is called a 2{isometry if T 2T 22T T +I = 0. Our ...
An operator A on a complex Hilbert space H is called a quasi-isometry if A*2 A2 = A* A. In the prese...
An operator A on a complex Hilbert space H is called a quasi-isometry if A*2 A2 = A* A. In the prese...
We show that if a tuple of commuting, bounded linear operators (T1, ..., Td) 2 B(X)d is both an (m,...
A bounded linear operator T on a Banach space X is called an (m, p)-isometry if it satisfies the equ...
AbstractWe consider the elementary operator L, acting on the Hilbert–Schmidt class C2(H), given by L...
The paper aims at investigating some basic properties of a quasi isometry which is defined to be a b...
AbstractIn this work, the concept of m-isometry on a Hilbert space are generalized when an additiona...
AbstractWe consider the elementary operator L, acting on the Hilbert–Schmidt Class C2(H), given by L...
The paper aims at investigating some basic properties of a quasi isometry which is defined to be a b...
In the context of a theorem of Richter, we establish a similarity between C₀-semigroups of analytic ...
AbstractA (not necessarily linear) mapping Φ from a Banach space X to a Banach space Y is said to be...
Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/46259/1/209_2005_Article_BF01110017.pd
We use the fixed point alternative theorem to prove that, under suitable conditions, every A-valued ...
Abstract. An operator T on a complex Hilbert space is called a 2–isometry if T ∗2T 2−2T ∗T+I = 0. Ou...
Abstract. An operator T on a complex Hilbert space is called a 2{isometry if T 2T 22T T +I = 0. Our ...
An operator A on a complex Hilbert space H is called a quasi-isometry if A*2 A2 = A* A. In the prese...
An operator A on a complex Hilbert space H is called a quasi-isometry if A*2 A2 = A* A. In the prese...
We show that if a tuple of commuting, bounded linear operators (T1, ..., Td) 2 B(X)d is both an (m,...
A bounded linear operator T on a Banach space X is called an (m, p)-isometry if it satisfies the equ...
AbstractWe consider the elementary operator L, acting on the Hilbert–Schmidt class C2(H), given by L...
The paper aims at investigating some basic properties of a quasi isometry which is defined to be a b...
AbstractIn this work, the concept of m-isometry on a Hilbert space are generalized when an additiona...
AbstractWe consider the elementary operator L, acting on the Hilbert–Schmidt Class C2(H), given by L...
The paper aims at investigating some basic properties of a quasi isometry which is defined to be a b...
In the context of a theorem of Richter, we establish a similarity between C₀-semigroups of analytic ...
AbstractA (not necessarily linear) mapping Φ from a Banach space X to a Banach space Y is said to be...
Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/46259/1/209_2005_Article_BF01110017.pd
We use the fixed point alternative theorem to prove that, under suitable conditions, every A-valued ...