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In this paper we study the complex symmetry in the several variable Fock space by using the techniques of weighted composition operators and semigroups. We characterize unbounded weighted composition operators that are (real) complex…

Functional Analysis · Mathematics 2023-12-11 Pham Viet Hai , Pham Trong Tien

This paper is a survey on the representation theory of Hecke algebras, Ariki-Koike algebras and connections with quantum group.

Representation Theory · Mathematics 2007-05-23 Nicolas Jacon

We propose a quantum analogue of a Tits-Kantor-Koecher algebra with a Jordan torus as an coordinated algebra by looking at the vertex operator construction over a Fock space.

Quantum Algebra · Mathematics 2020-09-08 Yun Gao , Naihuan Jing

We provide a complete classification of unitary subalgebras of even rank-one lattice vertex operator algebras. As a consequence of the correspondence between vertex operator algebras and conformal nets, we also obtain a complete…

Operator Algebras · Mathematics 2019-09-23 Sebastiano Carpi , Tiziano Gaudio , Robin Hillier

For a finitely-generated vertex operator algebra of central charge c, a locally convex topological completion is constructed. We construct on the completion a structure of an algebra over the operad of the c/2-th power of the determinant…

Quantum Algebra · Mathematics 2007-05-23 Yi-Zhi Huang

We construct a family of exact functors from the BGG category of representations of the Lie algebra sl to the category of finite-dimensional representations of the degenerate (or graded) affine Hecke algebra H of GL. These functors…

q-alg · Mathematics 2007-05-23 T. Arakawa , T. Suzuki

Based on the Lie theoretical methods of algebraic Fourier transformation, we classify in the case of generic values of inducing parameters the scalar singular vectors corresponding to the diagonal branching rules for scalar generalized…

Analysis of PDEs · Mathematics 2024-02-13 Petr Somberg

We discuss some basic problems and conjectures in a program to construct general orbifold conformal field theories using the representation theory of vertex operator algebras. We first review a program to construct conformal field theories.…

Quantum Algebra · Mathematics 2020-04-03 Yi-Zhi Huang

We study Wakimoto-type free field constructions for superelliptic affine Lie algebras associated with coordinate rings $A=\mathbb{C}[t^{\pm1},u \mid u^m = p(t)]$, focusing on $\mathfrak{sl}_2$. We construct explicit operators on a tensor…

Representation Theory · Mathematics 2026-04-13 Felipe Albino dos Santos

A general method for constructing logarithmic modules in vertex operator algebra theory is presented. By utilizing this approach, we give explicit vertex operator construction of certain indecomposable and logarithmic modules for the…

Quantum Algebra · Mathematics 2014-11-18 Drazen Adamovic , Antun Milas

The rings of symmetric polynomials form an inverse system whose limit, the ring of symmetric functions, is the model for the bosonic Fock space representation of the affine Lie algebra. We categorify this construction by considering an…

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

An explicit formula is obtained for the generalized Macdonald functions on the $N$-fold Fock tensor spaces, calculating a certain matrix element of a composition of several screened vertex operators. As an application, we prove the…

Quantum Algebra · Mathematics 2020-12-02 Masayuki Fukuda , Yusuke Ohkubo , Jun'ichi Shiraishi

This text gives a construction of a differential graded Lie algebra in Nori's category of effective homological motives. In fact the construction works in more a general setting than that of an Abelian category. This allows us to give the…

Algebraic Geometry · Mathematics 2007-05-23 Kaj Gartz

This paper introduces calibrated representations for affine Hecke algebras and classifies and constructs all finite dimensional irreducible calibrated representations. The primary technique is to provide indexing sets for controlling the…

Representation Theory · Mathematics 2007-05-23 Arun Ram

The purpose of this paper is to systematically study compactness and essential norm properties of operators on a very general class of weighted Fock spaces over $\C$. In particular, we obtain rather strong necessary and sufficient…

Functional Analysis · Mathematics 2014-04-09 Joshua Isralowitz

We give explicit descriptions of all path connected components and isolated points of both spaces of composition operators and nonzero weighted composition operators acting from a Fock space $\mathcal{F}^p(\mathbb{C}^n)$ to another one…

Complex Variables · Mathematics 2018-11-26 Pham Trong Tien , Le Hai Khoi

In this paper we study some affine structures on nilpotent Lie algebras endowed with a contact form. These affine structures are constructed from an affine structure on a symplectic Lie algebra by a central extension.

Rings and Algebras · Mathematics 2007-05-23 Elisabeth Remm

We introduce analogues of algebraic groups called algebraic racks, which are pointed rack objects in the category of schemes over a ground field. Addressing a problem of Loday, we construct functors assigning left and right Leibniz algebras…

Algebraic Geometry · Mathematics 2026-01-22 Luc Ta

In this paper, we introduce statistical bounded set on topological vector space. Also, we consider three classes of bounded operators from topological vector spaces to ordered topological vector spaces. Moreover, we give relations between…

Functional Analysis · Mathematics 2020-04-25 Abdullah Aydın , Muhammed Çınar

Representations of certain vertex algebras, here called of CohFT-type, can be used to construct vector bundles of coinvariants and conformal blocks on moduli spaces of stable curves [DGT2]. We show that such bundles define semisimple…

Algebraic Geometry · Mathematics 2022-02-24 Chiara Damiolini , Angela Gibney , Nicola Tarasca