Results 41 to 50 of about 2,002 (136)

Refined neutrosophic quadruple (po-)hypergroups and their fundamental group [PDF]

open access: yesNeutrosophic Sets and Systems, 2019
After introducing the notion of hyperstructures about 80 years ago by F. Marty, a number of researches on its theory, generalization, and it’s applications have been done.
M. Al-Tahan, B. Davvaz
doaj   +1 more source

Reducibility in Corsini hypergroups

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2021
In this paper, we study the reducibility property of special hyper-groups, called Corsini hypergroups, named after the mathematician who introduced them.
Kankaras Milica
doaj   +1 more source

Hypergroupoids and C*-algebras [PDF]

open access: yes, 2013
Let $G$ be a locally compact groupoid. If $X$ is a free and proper $G$-space, then $(X*X)/G$ is a groupoid equivalent to $G$. We consider the situation where $X$ is proper but no longer free.
Holkar, Rohit Dilip, Renault, Jean
core   +4 more sources

Product formulas for a two-parameter family of Heckman-Opdam hypergeometric functions of type BC [PDF]

open access: yes, 2013
In this paper we present explicit product formulas for a continuous two-parameter family of Heckman-Opdam hypergeometric functions of type BC on Weyl chambers $C_q\subset \mathbb R^q$ of type $B$.
Voit, Michael
core   +2 more sources

Limit theorems for radial random walks on pxq-matrices as p tends to infinity [PDF]

open access: yes, 2007
The radial probability measures on $R^p$ are in a one-to-one correspondence with probability measures on $[0,\infty[$ by taking images of measures w.r.t. the Euclidean norm mapping. For fixed $\nu\in M^1([0,\infty[)$ and each dimension p, we consider i.i.
Rösler, Margit, Voit, Michael
core   +2 more sources

Hyperstructures and some of the most recent applications [PDF]

open access: yesJournal of Hyperstructures, 2017
After a brief history of Hypergroups, since the beginning around the 40s till today, one gives an excursus of the most recent applications of this topic to Fuzzy Sets and Chinese groups as HX-hypergroups.
Piergiulio Corsini
doaj   +1 more source

A multivariate version of the disk convolution [PDF]

open access: yes, 2015
We present an explicit product formula for the spherical functions of the compact Gelfand pairs $(G,K_1)= (SU(p+q), SU(p)\times SU(q))$ with $p\ge 2q$, which can be considered as the elementary spherical functions of one-dimensional $K$-type for the ...
Rösler, Margit, Voit, Michael
core   +2 more sources

From Automata to Multiautomata via Theory of Hypercompositional Structures

open access: yesMathematics, 2021
In this paper, we study two important problems related to quasi-multiautomata: the complicated nature of verification of the GMAC condition for systems of quasi-multiautomata, and the fact that the nature of quasi-multiautomata has deviated from the ...
Štěpán Křehlík   +2 more
doaj   +1 more source

Tur\'{a}n's inequality, nonnegative linearization and amenability properties for associated symmetric Pollaczek polynomials

open access: yes, 2020
An elegant and fruitful way to bring harmonic analysis into the theory of orthogonal polynomials and special functions, or to associate certain Banach algebras with orthogonal polynomials satisfying a specific but frequently satisfied nonnegative ...
Kahler, Stefan
core   +1 more source

Multidimensional Heisenberg convolutions and product formulas for multivariate Laguerre polynomials [PDF]

open access: yes, 2011
Let $p,q$ positive integers. The groups $U_p(\b C)$ and $U_p(\b C)\times U_q(\b C) $ act on the Heisenberg group $H_{p,q}:=M_{p,q}(\b C)\times \b R$ canonically as groups of automorphisms where $M_{p,q}(\b C)$ is the vector space of all complex $p\times ...
Michael Voit, Ξq R, Ξq R
core   +1 more source

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