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We develop some aspects of the theory of hyperholomorphic functions whose values are taken in a Banach algebra over a field -- assumed to be the real or the complex numbers -- and which contains the field. Notably, we consider Fueter…

Functional Analysis · Mathematics 2018-12-19 Daniel Alpay , Ismael L. Paiva , Daniele C. Struppa

We construct the Fock space representations of classical quantum affine algebras using combinatorics of Young walls. We also show that the crystal graphs of the Fock space representations can be realized as the abstract crystal consisting…

Quantum Algebra · Mathematics 2007-05-23 Seok-Jin Kang , Jae-Hoon Kwon

A one-parameter generalized fermion algebra ${\cal B}_{\kappa}(1)$ is introduced. The Fock representation is studied. The associated coherent states are constructed and the polynomial representation, in the Bargmann sense, is derived. A…

Mathematical Physics · Physics 2014-12-12 Won Sang Chung , Mohammed Daoud

In this article we prove several reciprocity theorems for some infinite-dimensional dual pairs of representations on Bargmann-Segal-Fock spaces.

Representation Theory · Mathematics 2007-05-23 Tuong Ton-That

A supersymmetric extension of the Hahn algebra is introduced. This quadratic superalgebra, which we call the Hahn superalgebra, is constructed using the realization provided by the Dunkl oscillator model in the plane, whose Hamiltonian…

Mathematical Physics · Physics 2015-06-17 Vincent X. Genest , Jean-Michel Lemay , Luc Vinet , Alexei Zhedanov

The inhomogeneous single-, two- and three-boson realizations of the more general polynomial angular momentum algebra SU_n(2) are obtained from the Fock representations of SU_n(2) that corresponds to the indecomposable representation on the…

Quantum Physics · Physics 2007-05-23 Dong Ruan , Yufeng Jia , Hongzhou Sun

We classify the finite-dimensional irreducible representations of the super Yangian associated with the orthosymplectic Lie superalgebra ${\frak osp}_{2|2n}$. The classification is given in terms of the highest weights and Drinfeld…

Representation Theory · Mathematics 2023-09-19 A. I. Molev

Embeddings of the CAR (canonical anticommutation relations) algebra of fermions into the Cuntz algebra ${\cal O}_2$ (or ${\cal O}_{2d}$ more generally) are presented by using recursive constructions. As a typical example, an embedding of…

Mathematical Physics · Physics 2007-05-23 Mitsuo Abe , Katsunori Kawamura

The fermionic Fock space admits two different actions of the quantized enveloping algebra of $\hat\sln$> The first one is a q-deformation of the well-known level-one representation of the affine Lie algebra and the second one is a new…

q-alg · Mathematics 2008-02-03 M. Varagnolo , E. Vasserot

An algebraic extended bilinear Hilbert semispace is proposed as being the natural representation space for the algebras of von Neumann.This bilinear Hilbert semispace has a well defined structure given by the representation space of an…

General Mathematics · Mathematics 2010-03-11 Christian Pierre

On the one hand the Fermi-Dirac and Bose-Einstein functions have been extended in such a way that they are closely related to the Riemann and other zeta functions. On the other hand the Fourier transform representation of the gamma and…

Mathematical Physics · Physics 2011-04-25 Asifa Tassaddiq , Asghar Qadir

Bosons and fermions are often written by elements of other algebras. M. Abe gave a recursive realization of the boson by formal infinite sums of the canonical generators of the Cuntz algebra ${\cal O}_{\infty}$. We show that such formal…

Operator Algebras · Mathematics 2009-11-13 Katsunori Kawamura

Let $G$ be a $p$-adic classical group. The representations in a given Bernstein component can be viewed as modules for the corresponding Hecke algebra---the endomorphism algebra of a pro-generator of the given component. Using Heiermann's…

Representation Theory · Mathematics 2020-11-05 Petar Bakic , Gordan Savin

This paper continues the study of paragrassmann algebras begun in Part I with the definition and analysis of Toeplitz operators in the associated holomorphic Segal-Bargmann space. These are defined in the usual way as multiplication by a…

Mathematical Physics · Physics 2017-03-10 Stephen Bruce Sontz

We define the $\frac{\mathbb{Z}}{2}$-graded meromorphic open-string vertex algebra that is an appropriate noncommutative generalization of the vertex operator superalgebra. We also illustrate an example that can be viewed as a…

Quantum Algebra · Mathematics 2023-09-12 Francesco Fiordalisi , Fei Qi

We conjecture that quantum Gaudin models in affine types admit families of local higher Hamiltonians, labelled by the (countably infinite set of) exponents, whose eigenvalues are given by functions on a space of meromorphic opers associated…

Quantum Algebra · Mathematics 2020-07-29 Sylvain Lacroix , Benoit Vicedo , Charles A. S. Young

We establish a direct connection between the representation theories of Lie algebras and Lie superalgebras (of type A) via Fock space reformulations of their Kazhdan-Lusztig theories. As a consequence, the characters of finite-dimensional…

Representation Theory · Mathematics 2008-07-22 Shun-Jen Cheng , Weiqiang Wang , R. B. Zhang

We study briefly some properties of real Clifford algebras and identify them as matrix algebras. We then show that the representation space on which Clifford algebras act are spinors and we study in details matrix representations. The…

High Energy Physics - Theory · Physics 2007-05-23 M. Rausch de Traubenberg

We give complete, finite quasiequational axiomatisations for algebras of unary partial functions under the operations of composition, domain, antidomain, range and intersection. This completes the extensive programme of classifying algebras…

Logic · Mathematics 2014-10-16 Robin Hirsch , Marcel Jackson , Szabolcs Mikulás

In Part 1 of this paper we construct a spectral sequence converging to the relative Lie algebra cohomology associated to the action of any subgroup $G$ of the symplectic group on the polynomial Fock model of the Weil representation, see…

Representation Theory · Mathematics 2015-03-05 Nicolas Bergeron , John J. Millson , Jacob Ralston