Results 71 to 80 of about 1,495,717 (183)

A CHARACTERIZATION OF MEIXNER ORTHOGONAL POLYNOMIALS VIA A CERTAIN TRANSFERT OPERATOR

Ural Mathematical Journal
Here we consider a certain transfert operator \(\mathrm{M}_{(c,\omega)}=I_{\mathcal{P}}-c \, \tau_{\omega},\) \(\omega\neq0,\) \({c \in \mathbb{R}-\{0,1\},}\) and we prove the following statement: up to an affine transformation, the only orthogonal ...
Emna Abassi, Lotfi Khériji
doaj   +1 more source

Matrix-regular orders on operator spaces

, 1995
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Schreiner, Walter James
core  

Hill's equation for a homogeneous tree

Electronic Journal of Differential Equations, 1997
The analysis of Hill's operator $-D^2 + q(x)$ for $q$ even and periodic is extended from the real line to homogeneous trees ${cal T}$. Generalizing the classical problem, a detailed analysis of Hill's equation and its related operator theory on $L^2({cal
Robert Carlson
doaj  

Copper Lacus Sequence Spaces Associated With Operator Ideals and Their Geometric Properties

Journal of Mathematics
In this research, we introduce the regular Copper Lucas matrix operator, which is based on the Copper Lucas sequence. We investigate the sequence spaces c0Γ and cΓ, as well as lpΓ for 1≤p≤∞, all of which are linked to the newly defined regular Copper ...
Shiva Shah, Bipan Hazarika, Awd Bkri, Runda A. A. Bashir   +3 more
doaj   +1 more source

Embedding operators and maximal regular differential-operator equations in Banach-valued function spaces

Journal of Inequalities and Applications, 2005
This study focuses on anisotropic Sobolev type spaces associated with Banach spaces , . Several conditions are found that ensure the continuity and compactness of embedding operators that are optimal regular in these spaces in terms of interpolations of
Shakhmurov Veli B
doaj  

Operators over regular maps [PDF]

Pacific Journal of Mathematics, 1979
openaire   +3 more sources

Regular graphs with four eigenvalues [PDF]

We study the connected regular graphs with four distinct eigenvalues. Properties and feasibility conditions of the eigenvalues are found. Several examples, constructions and characterizations are given, as well as some uniqueness and nonexistence results.
Dam, E.R. van
core  

A family of regular vertex operator algebras with two generators

Open Mathematics, 2007
Adamović Dražen
doaj   +1 more source

A General Nonuniqueness Result for Yamabe-Type Problems for Conformally Variational Riemannian Invariants. [PDF]

J Geom Anal
Andrade JH, Case JS, Piccione P, Wei J.
europepmc   +1 more source

Globalization of Perturbative Chern-Simons Theory on the Moduli Space of Flat Connections in the BV Formalism. [PDF]

Commun Math Phys
Mnev P, Wernli K.
europepmc   +1 more source