English
Related papers

Related papers: Functional Representations for Fock Superalgebras

200 papers

We realize the Weil representation of infinite dimensional symplectic group and spinor representation of infinite-dimensional group $GL$ by linear operators in the space of symmetric functions in infinite number of variables.

Mathematical Physics · Physics 2012-11-27 Yurii A. Neretin

For any Hermitian Lie group G of tube type we construct a Fock model of its minimal representation. The Fock space is defined on the minimal nilpotent K_C-orbit X in p_C and the L^2-inner product involves a K-Bessel function as density.…

Representation Theory · Mathematics 2014-03-19 Joachim Hilgert , Toshiyuki Kobayashi , Jan Möllers , Bent Ørsted

The goal of this paper is to give an explicit construction of the Fock spaces of the parafermion and the paraboson algebra, for an infinite set of generators. This is equivalent to constructing certain unitary irreducible lowest weight…

High Energy Physics - Theory · Physics 2009-08-24 N. I. Stoilova , J. Van der Jeugt

The notion of the eigenvalue problem in the Fock space with polynomial eigenfunctions is introduced. This problem is classified by using the finite-dimensional representations of the $\mathfrak{sl}(2)$-algebra in Fock space. In the complex…

Mathematical Physics · Physics 2025-09-17 A. V. Turbiner , N. L. Vasilevski

The Bargmann-Fock space(or Fock space for short) is a fundamental example of reproducing kernel Hilbert spaces that has found fascinating applications across multiple fields of current interest, including quantum mechanics, time-frequency…

Complex Variables · Mathematics 2025-10-14 Kamal Diki

We describe the fermionic and bosonic Fock representation of the Lie super-algebra of endomorphisms of the exterior algebra of the ${\mathbb Q}$-vector space of infinite countable dimension, vanishing at all but finitely many basis…

Representation Theory · Mathematics 2020-09-02 Ommolbanin Behzad , Letterio Gatto

In this paper we use techniques in Fock spaces theory and compute how the Segal-Bargmann transform acts on special wave functions obtained by multiplying superoscillating sequences with normalized Hermite functions. It turns out that these…

Mathematical Physics · Physics 2023-04-25 Daniel Alpay , Fabrizio Colombo , Kamal Diki , Irene Sabadini , Daniele C. Struppa

In this paper we introduce and study some basic properties of the Fock space (also known as Segal-Bargmann space) in the slice hyperholomorphic setting. We discuss both the case of slice regular functions over quaternions and also the case…

Complex Variables · Mathematics 2014-06-24 Daniel Alpay , Fabrizio Colombo , Irene Sabadini , Guy Salomon

A Fock space is introduced that admits an action of a quantum group of type A supplemented with some extra operators. The canonical and dual canonical basis of the Fock space are computed and then used to derive the finite-dimenisonal…

Quantum Algebra · Mathematics 2011-11-09 Shun-Jen Cheng , Weiqiang Wang , R. B. Zhang

A complete Fock space representation of the covariant differential calculus on quantum space is constructed. The consistency criteria for the ensuing algebraic structure, mapping to the canonical fermions and bosons and the consequences of…

High Energy Physics - Theory · Physics 2009-10-30 A. K. Mishra , G. Rajasekaran

Fock space representations of the Lie superalgebra $sl(n+1|m)$ and of its quantum analogue $U_q[sl(n+1|m)]$ are written down. The results are based on a description of these superalgebras via creation and annihilation operators. The…

Mathematical Physics · Physics 2009-10-31 T. D. Palev , N. I. Stoilova , J. Van der Jeugt

It is known that the defining triple relations of m pairs of parafermion operators and n pairs of paraboson operators with relative parafermion relations can be considered as defining relations for the Lie superalgebra osp(2m+1|2n) in terms…

Mathematical Physics · Physics 2013-11-20 N. I. Stoilova

We consider a class of domains, generalizing the upper half-plane, and admitting rotational, translational and scaling symmetries, analogous to the half-plane. We prove Paley-Wiener type representations of functions in Bergman spaces of…

Complex Variables · Mathematics 2018-07-03 Debraj Chakrabarti , Pranav Upadrashta

We categorify various Fock space representations on the algebra of symmetric functions via the category of polynomial functors. In a prequel, we used polynomial functors to categorify the Fock space representations of type A affine Lie…

Representation Theory · Mathematics 2015-04-07 Jiuzu Hong , Oded Yacobi

We introduce a complex-valued counterpart of the representer theorem in machine learning. We study several learning and minimization problems in reproducing kernel Hilbert spaces (RKHSs), with the aim of identifying appropriate input-output…

Functional Analysis · Mathematics 2026-04-28 Natanael Alpay , Antonino De Martino , Kamal Diki

Suppose $A$ is a positive real linear transformation on a finite dimensional complex inner product space $V$. The reproducing kernel for the Fock space of square integrable holomorphic functions on $V$ relative to the Gaussian measure…

Functional Analysis · Mathematics 2007-05-23 R. Fabec , G. Olafsson , A. Sengupta

A Fourier-type integral representation for Bessel's function of the first kind and complex order is obtained by using the Gegenbuaer extension of Poisson's integral representation for the Bessel function along with a trigonometric integral…

Classical Analysis and ODEs · Mathematics 2017-09-01 Enrico De Micheli

Bosons and fermions are described by using canonical generators of Cuntz algebras on any permutative representation. According to branching laws associated with these descriptions, a certain representation of the Cuntz algebra $\co{2}$…

Operator Algebras · Mathematics 2009-11-13 Katsunori Kawamura

We use methods from the Fock space and Segal-Bargmann theories to prove several results on the Gaussian RBF kernel in complex analysis. The latter is one of the most used kernels in modern machine learning kernel methods, and in support…

Mathematical Physics · Physics 2022-11-23 Daniel Alpay , Fabrizio Colombo , Kamal Diki , Irene Sabadini

Bosons and fermions are described by using canonical generators of Cuntz algebras on any permutative representation. We show a fermionization of bosons which universally holds on any permutative representation of the Cuntz algebra ${\cal…

Mathematical Physics · Physics 2009-06-12 Katsunori Kawamura
‹ Prev 1 2 3 10 Next ›