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We use an integral method to establish a number of Rogers-Ramanujan type identities involving double and triple sums. The key step for proving such identities is to find some infinite products whose integrals over suitable contours are…

Number Theory · Mathematics 2023-01-12 Zhineng Cao , Liuquan Wang

Versions of Bailey's lemma which change the base from q to q^2 or q^3 are given. Iterates of these versions give many new versions of multisum Rogers-Ramanujan identities. We also prove Melzer's conjectures for the Fermionic forms of the…

Combinatorics · Mathematics 2007-05-23 David Bressoud , Mourad Ismail , Dennis Stanton

We state and prove a number of unilateral and bilateral $q$-series identities and explore some of their consequences. Those include certain generalizations of the $q$-binomial sum which also generalize the $q$-Airy function introduced by…

Classical Analysis and ODEs · Mathematics 2016-02-02 Ahmad El-Guindy , Mourad E. H. Ismail

A multilateral Bailey Lemma is proved, and multiple analogues of the Rogers--Ramanujan identities and Euler's Pentagonal Theorem are constructed as applications. The extreme cases of the Andrews--Gordon identities are also generalized using…

Combinatorics · Mathematics 2010-02-02 Hasan Coskun

Recently Cherednik and Feigin obtained several Rogers-Ramanujan type identities via the nilpotent double affine Hecke algebras (Nil-DAHA). These identities further led to a series of dilogarithm identities, some of which are known, while…

Quantum Algebra · Mathematics 2012-12-27 Tomoki Nakanishi

We use vertex operator algebras and intertwining operators to study certain substructures of standard $A_1^{(1)}$--modules, allowing us to conceptually obtain the classical Rogers--Ramanujan recursion. As a consequence we recover…

Quantum Algebra · Mathematics 2007-05-23 Stefano Capparelli , James Lepowsky , Antun Milas

The Rogers-Ramanujan identities and various analogous identities (Gordon, Andrews-Bressoud, Capparelli, etc.) form a family of very deep identities concerned with integer partitions. These identities (written in generating function form)…

Combinatorics · Mathematics 2014-11-20 Shashank Kanade , Matthew C. Russell

The Gordon-Andrews identities, which generalize the Rogers-Ramanujan-Schur identities, provide product and fermionic forms for the characters of the minimal conformal field theories (CFTs) M(2,2k+1). We discuss/conjecture identities of a…

High Energy Physics - Theory · Physics 2007-05-23 Ezer Melzer

In the first three papers, we conducted a series of discussions on the statistics of strict partitions and Rogers-Ramanujan partitions, specifically the sequences of odd length (denoted as $\mathrm{sol}$) and its extensions. We established…

Combinatorics · Mathematics 2025-09-30 Haijun Li

By using the Kang-Kashiwara-Misra-Miwa-Nakashima-Nakayashiki crystal base character formula for the basic $A_2^{(1)}$-module, and the principally specialized Weyl-Kac character formula, we obtain a Rogers-Ramanujan type combinatorial…

Quantum Algebra · Mathematics 2007-05-23 Mirko Primc

We study the Andrews-Schilling-Warnaar sum-sides for the principal characters of standard (i.e., integrable, highest weight) modules of $\mathrm{A}_2^{(1)}$. These characters have been studied recently by various subsets of Corteel, Dousse,…

Combinatorics · Mathematics 2022-04-04 Shashank Kanade , Matthew C. Russell

Using Lie theory, Stefano Capparelli conjectured an interesting Rogers-Ramanujan type partition identity in his 1988 Rutgers Ph.D. thesis. The first proof was given by George Andrews, using combinatorial methods. Later, Capparelli was able…

Classical Analysis and ODEs · Mathematics 2018-12-12 Andrew V. Sills

In this paper, we first establish two new Bailey pairs via finding two generalizations of Euler's pentagonal number theorem. Next, we specificize the Bailey lemmas with these two Bailey pairs. As applications, we finally establish some…

Combinatorics · Mathematics 2024-10-29 Jianan Xu , Xinrong Ma

Bhoria, Eyyunni and Maji recently obtained a four-parameter $q$-series identity which gives as special cases not only all five entries of Ramanujan on pages 354 and 355 of his second notebook but also allows them to obtain an analytical…

Number Theory · Mathematics 2022-07-04 Atul Dixit , Khushbu Patel

Recently, $4$-regular partitions into distinct parts are connected with a family of overpartitions. In this paper, we provide a uniform extension of two relations due to Andrews for the two types of partitions. Such an extension is made…

Combinatorics · Mathematics 2023-01-27 George E. Andrews , Shane Chern

We give a combinatorial proof of the first Rogers-Ramanujan identity by using two symmetries of a new generalization of Dyson's rank. These symmetries are established by direct bijections.

Combinatorics · Mathematics 2007-05-23 Cilanne Boulet , Igor Pak

We establish some new bilateral double-sum Rogers-Ramanujan identities involving parameters. As applications, these identities yield several new multi-sum Rogers-Ramanujan type identities. Our proofs utilize the theory of basic…

Combinatorics · Mathematics 2026-04-21 Dandan Chen , Tianjian Xu

The Bailey lemma is a famous tool to prove Rogers-Ramanujan type identities. We use shifted versions of the Bailey lemma to derive $m$-versions of multisum Rogers-Ramanujan type identities. We also apply this method to the Well-Poised…

Combinatorics · Mathematics 2009-06-11 Frederic Jouhet

In this paper we give a combinatorial parametrization of leading terms of defining relations for level $k$ standard modules for affine Lie algebra of type $C_{n}\sp{(1)}$. Using this parametrization we conjecture colored Rogers-Ramanujan…

Quantum Algebra · Mathematics 2017-03-03 Mirko Primc , Tomislav Šikić

We study perfect crystals for the standard modules of the affine Lie algebra $A_1^{(1)}$ at all levels using the theory of multi-grounded partitions. We prove a family of partition identities which are reminiscent of the Andrews-Gordon…

Combinatorics · Mathematics 2025-03-12 Jehanne Dousse , Leonard Hardiman , Isaac Konan