Results 61 to 70 of about 579 (72)

An extension of a multidimensional Hilbert-type inequality. [PDF]

J Inequal Appl, 2017
Zhong J, Yang B.
europepmc   +1 more source

Screening for overlapping bacterial artificial chromosome clones by PCR analysis with an arbitrary primer. [PDF]

Proc Natl Acad Sci U S A, 1998
Xu J, Yang D, Domingo J, Ni J, Huang N.
europepmc   +1 more source

Conjugations of unitary operators, II. [PDF]

Anal Math Phys
Mashreghi J, Ptak M, Ross WT.
europepmc   +1 more source

Conjugations of unitary operators, I. [PDF]

Anal Math Phys
Mashreghi J, Ptak M, Ross WT.
europepmc   +1 more source

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Stability of Almost Closed Operators on a Hilbert Space

Sarajevo Journal of Mathematics
We introduce the notion of almost closed linear operators acting in a Hilbert space. This class of operators contains the set of all closed linear operators and is invariant under addition, composition and limits.
Sanaa Messirdi, Mustapha Djaa, B. Messirdi   +2 more
semanticscholar   +1 more source

Moore-Penrose inverses of operators in Hilbert C*-modules

, 2017
For two given bounded adjointable operators T and S between Hilbert C*-modules, it is well known that an operator Moore-Penrose inverse exists iff the operator has closed range.
Fugen Gao, G. Hong
semanticscholar   +1 more source

Extremal Vectors for a Class of Operators

Sarajevo Journal of Mathematics
In this note, we study extremal vectors for a class of operators with a special application to the the Volterra operator. The study requires the description of the asymptotic behavior of a class of infinite series involving a real parameter.
Larry Downey, Boon W. Ong
semanticscholar   +1 more source

Some properties of the essential numerical range on Banach spaces

, 2017
We study the properties of the essential algebraic numerical range as well as the essential spatial numerical range for Banach space operators.
L. Muhati, J. Bonyo, J. O. Agure
semanticscholar   +1 more source

Gelfand numbers of diagonal matrices

, 2015
In this work , a connection between Gelfand numbers of infinite diagonal matrix with linear bounded operator-elements in the direct sum of Banach spaces and its coordinate operators has been investigated.
L. Cona, Z. İsmai̇lov
semanticscholar   +1 more source

Convolution operators on spaces of holomorphic functions

, 2015
A class of convolution operators on spaces of holomorphic functions related to the Hadamard multiplication theorem for power series and generalizing infinite order Euler differential operators is introduced and investigated.
Tobias Lorson, J. Müller
semanticscholar   +1 more source