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We give a combinatorial evaluation of Iwahori Whittaker functions for unramified genuine principal series representations on metaplectic covers of the general linear group over a non-archimedean local field. To describe the combinatorics,…

Representation Theory · Mathematics 2021-10-22 Slava Naprienko

We will describe solvable lattice models whose partition functions depend on two sets of variables, $x_1,\cdots,x_n$ and $y_1, y_2, \cdots $ that have different connections with the representation theory of $\text{GL}(n,F)$ where $F$ is a…

Representation Theory · Mathematics 2025-09-23 Ben Brubaker , Daniel Bump , Andrew Hardt , Hunter Spink

In this text we introduce and analyze families of symmetric functions arising as partition functions for colored fermionic vertex models associated with the quantized affine Lie superalgebra $U_q \big( \widehat{\mathfrak{sl}} (1 | n)…

Combinatorics · Mathematics 2021-05-11 Amol Aggarwal , Alexei Borodin , Michael Wheeler

Recent papers in solvable lattice models emphasize models where states can be visualized as colored paths through the lattice. We define a bosonic model in which there are two types of colors, one whose paths move down and to the right, the…

Combinatorics · Mathematics 2025-09-23 Talia Blum

We establish a connection between certain unique models, or equivalently unique functionals, for representations of p-adic groups and linear characters of their corresponding Hecke algebras. This allows us to give a uniform evaluation of…

Representation Theory · Mathematics 2015-07-29 Ben Brubaker , Daniel Bump , Solomon Friedberg

Bosonic colored group field theory is considered. Focusing first on dimension four, namely the colored Ooguri group field model, the main properties of Feynman graphs are studied. This leads to a theorem on optimal perturbative bounds of…

High Energy Physics - Theory · Physics 2010-12-15 Joseph Ben Geloun , Jacques Magnen , Vincent Rivasseau

We describe realizations of the color analogue of the Heisenberg Lie algebra by power series in non-commuting indeterminates satisfying Heisenberg's canonical commutation relations of quantum mechanics. The obtained formulas are used to…

Quantum Algebra · Mathematics 2007-05-23 Gunnar Sigurdsson , Sergei D. Silvestrov

Integrable multistate or multiflavor/color models were recently introduced. They are generalizations of models corresponding to the defining representations of the U_q(sl(m)) quantum algebras. Here I show that a similar generalization is…

solv-int · Physics 2008-11-26 Z. Maassarani

Recent works have sought to realize certain families of orthogonal, symmetric polynomials as partition functions of well-chosen classes of solvable lattice models. Many of these use Boltzmann weights arising from the trigonometric…

Combinatorics · Mathematics 2023-09-20 Ben Brubaker , Will Grodzicki , Andrew Schultz

In this work, some classical results of the pfaffian theory of the dimer model based on the work of Kasteleyn, Fisher and Temperley are introduced in a fermionic framework. Then we shall detail the bosonic formulation of the model {\it via}…

Statistical Mechanics · Physics 2015-06-23 Nicolas Allegra

This paper is concerned with representations of split orthogonal and quasi-split unitary groups over a nonarchimedean local field which are not generic, but which support a unique model of a different kind, the generalized Bessel model. The…

Representation Theory · Mathematics 2009-09-25 Solomon Friedberg , David Goldberg

We show that the fermionic matrix model can be realized by $W$-representation. We construct the Virasoro constraints with higher algebraic structures, where the constraint operators obey the Witt algebra and null 3-algebra. The remarkable…

High Energy Physics - Theory · Physics 2021-12-08 Lu-Yao Wang , Rui Wang , Ke Wu , Wei-Zhong Zhao

Quark model matrix elements can be computed using bosonic operators and the holomorphic representation for the harmonic oscillator. The technique is illustrated for normal and exotic baryons for an arbitrary number of colors. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 Aneesh V. Manohar

We find a non-invertible matrix representation for Van der Waerden's colouring theorem for two distinct colours in a one dimensional periodic lattice. Using this,an infinite one dimensional antiferromagnetic Ising system is mapped to a…

Condensed Matter · Physics 2015-06-25 R. Chaudhury , D. Gangopadhyay , S. K. Paul

We develop a quantum field theory based on random nonHermitian actions, which upon quantization lead to stochastic nonlinear Schr\"{o}dinger dynamics for the state vector. In this framework, Lorentz and spacetime translation symmetries are…

Quantum Physics · Physics 2025-11-14 Pei Wang

We present a new class of hermitian one-matrix models originated in the W-infinity algebra: more precisely, the polynomials defining the W-infinity generators in their fermionic bilinear form are shown to expand the orthogonal basis of a…

High Energy Physics - Theory · Physics 2009-11-07 Henry D. Herce , Guillermo R. Zemba

We construct bosonic and fermionic eigenstates for the generalized Sutherland models associated with arbitrary reduced root systems respectively, through W-symmetrization and W-anti-symmetrization of Heckman-Opdam's nonsymmetric Jacobi…

Statistical Mechanics · Physics 2008-11-26 Akinori Nishino , Miki Wadati

We construct a family of solvable lattice models whose partition functions include $p$-adic Whittaker functions for general linear groups from two very different sources: from Iwahori-fixed vectors and from metaplectic covers. Interpolating…

Representation Theory · Mathematics 2022-09-09 Ben Brubaker , Valentin Buciumas , Daniel Bump , Henrik P. A. Gustafsson

We investigate the representation theory of the rational and trigonometric Cherednik algebra of type $GL_n$ by means of combinatorics on periodic (or cylindrical) skew diagrams. We introduce and study standard tableaux and plane partitions…

Representation Theory · Mathematics 2007-05-23 Takeshi Suzuki

Chromatic symmetric functions are well-studied symmetric functions in algebraic combinatorics that generalize the chromatic polynomial and are related to Hessenberg varieties and diagonal harmonics. Motivated by the Stanley--Stembridge…

Combinatorics · Mathematics 2025-02-11 Jacob P. Matherne , Alejandro H. Morales , Jesse Selover
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