scholarly journals Semigroups and Scalar-Type Operators in Banach Spaces

1994 ◽  
Vol 119 (2) ◽  
pp. 468-480 ◽  
Author(s):  
R. Lange ◽  
B. Nagy
Keyword(s):  
Banach Spaces ◽  
Scalar Type

scholarly journals A characterization of scalar type operators on reflexive Banach spaces

1963 ◽  
Vol 13 (2) ◽  
pp. 365-373 ◽  
Author(s):  
Earl Berkson
Keyword(s):  
Banach Spaces ◽  
Reflexive Banach Spaces ◽  
Scalar Type

scholarly journals A Class of Schur Multipliers on Some Quasi-Banach Spaces of Infinite Matrices

2012 ◽  
Vol 2012 ◽  
pp. 1-11
Author(s):  
Nicolae Popa
Keyword(s):  
Banach Spaces ◽  
Infinite Matrices ◽  
Schur Multipliers ◽  
Scalar Type

We characterize the Schur multipliers of scalar type acting on scattered classes of infinite matrices.

scholarly journals Well-bounded operators of type (B) in a class of Banach spaces

1987 ◽  
Vol 42 (3) ◽  
pp. 399-408 ◽  
Author(s):  
Werner Ricker
Keyword(s):  
Integral Representation ◽  
Banach Spaces ◽  
Hilbert Spaces ◽  
Unitary Groups ◽  
Real Spectrum ◽  
Type B ◽  
Bounded Operators ◽  
Scalar Type ◽  
Normal Operators ◽  
Grothendieck Space

AbstractIt is shown that in a Grothendieck space with the Dunford-Pettis property, the class of well-bounded operators of type (B) coincides with the class of scalar-type spectral operators with real spectrum. It turns out that in such Banach spaces, analogues of the classical theorems of Hille-Sz. Nagy and Stone concerned with the integral representation of C0-semigroups of normal operators and strongly continuous unitary groups in Hilbert spaces, respectively, are of a very special nature.

scholarly journals Semigroups of scalar type operators on Banach spaces

1974 ◽  
Vol 200 ◽  
pp. 207-207 ◽  
Author(s):  
Ahméd Ramzy Sourour
Keyword(s):  
Banach Spaces ◽  
Scalar Type

scholarly journals Semi-groups of scalar type operators in Banach spaces

1969 ◽  
Vol 30 (2) ◽  
pp. 489-517 ◽  
Author(s):  
T. V. Panchapagesan
Keyword(s):  
Banach Spaces ◽  
Scalar Type

Fredholm Theory in Banach Spaces

1986 ◽  
Author(s):  
Anthony Francis Ruston
Keyword(s):  
Banach Spaces ◽  
Fredholm Theory

Geometric Aspects of Banach Spaces

1989 ◽  
Keyword(s):  
Banach Spaces

Stability and non-stability of generalized radical cubic functional equation in quasi-$\beta$-Banach spaces

2019 ◽  
Vol 12 (3) ◽  
pp. 175-190
Author(s):  
Iz-iddine EL-Fassi ◽  
John Michael Rassias
Keyword(s):  
Functional Equation ◽  
Banach Spaces ◽  
Cubic Functional Equation
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