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Related papers: Reduced quiver quantum toroidal algebras

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We construct a principally graded quantum loop algebra for the Kac-Moody algebra. As a special case a twisted analog of the quantum toroidal algebra is obtained together with the quantum Serre relations.

Quantum Algebra · Mathematics 2014-07-14 Naihuan Jing , Rongjia Liu

K-theoretic Hall algebras (KHAs) of quivers with potential $(Q,W)$ are a generalization of preprojective KHAs of quivers, which are conjecturally positive parts of the Okounkov-Smironov quantum affine algebras. In particular, preprojective…

Algebraic Geometry · Mathematics 2023-09-18 Tudor Pădurariu

By using perverse sheaves on representation spaces of quivers over $k[t]/(t^n)$ and jet schemes over flag varieties, we construct a geometric composition algebra $\mathbf K$ under Lusztig's framework on geometric realizations of the…

Representation Theory · Mathematics 2014-10-23 Zhaobing Fan

We give a more conceptual construction of a comparison algebra morphism from the K-theoretical Hall algebra to a twist of the cohomological Hall algebra associated to a symmetric quiver, and extend the result to quivers with potential.

K-Theory and Homology · Mathematics 2025-07-14 Felix Küng , Špela Špenko

We describe quantum enveloping algebras of symmetric Kac-Moody Lie algebras via a finite field Hall algebra construction involving Z_2-graded complexes of quiver representations.

Quantum Algebra · Mathematics 2011-11-04 Tom Bridgeland

In this paper we provide a systematic way of producing representations of cohomological, K-theoretical and categorified Hall algebras, and study the output of our construction in several cases. We thus recover and categorify in a unified…

Algebraic Geometry · Mathematics 2025-11-07 Duiliu-Emanuel Diaconescu , Mauro Porta , Francesco Sala

The quiver Yangians were originally defined for the quiver and superpotential from string theory on general toric Calabi-Yau threefolds, and serve as BPS algebras of these systems. Their characters reproduce the unrefined BPS indices, which…

High Energy Physics - Theory · Physics 2024-09-18 Wei Li

We construct a large collection of "quantum projective spaces", in the form of Koszul, Calabi-Yau algebras with the Hilbert series of a polynomial ring. We do so by starting with the toric ones (the q-symmetric algebras), and then deforming…

Quantum Algebra · Mathematics 2024-11-18 Mykola Matviichuk , Brent Pym , Travis Schedler

Given a quiver with potential $(Q,W)$, Kontsevich-Soibelman constructed a Hall algebra on the cohomology of the stack of representations of $(Q,W)$. As shown by Davison-Meinhardt, this algebra comes with a filtration whose associated graded…

Representation Theory · Mathematics 2019-11-14 Tudor Pădurariu

We find a new infinite class of infinite-dimensional algebras acting on BPS states for non-compact toric Calabi-Yau threefolds. In Type IIA superstring compactification on a toric Calabi-Yau threefold, the D-branes wrapping holomorphic…

High Energy Physics - Theory · Physics 2022-02-22 Wei Li , Masahito Yamazaki

In this paper, we construct the multicomponent modified KP hierarchy and its additional symmetries. The additional symmetries constitute an interesting multi-folds quantum torus type Lie algebra. By a reduction, we also construct the…

Exactly Solvable and Integrable Systems · Physics 2019-07-17 Chuanzhong Li , Jipeng Cheng

This paper investigates the algebraic structure that exists on perturbative BPS-states in the superstring, compactified on the product of a circle and a Calabi-Yau fourfold. This structure was defined in a recent article by Harvey and…

High Energy Physics - Theory · Physics 2009-10-30 C. D. D. Neumann

In this note, we discuss some properties of the quiver BPS algebras. We consider how they would transform under different operations on the toric quivers, such as dualities and higgsing. We also give free field realizations of the algebras,…

High Energy Physics - Theory · Physics 2023-04-11 Jiakang Bao

We give an explicit description of the BPS Lie algebra of any quiver with zero potential, by relating the perverse filtration on the cohomological Hall algebra with certain limit conditions on polynomials. Our results also give a partial…

Representation Theory · Mathematics 2026-04-02 Shivang Jindal , Andrei Neguţ

The disk partition function of certain 3d N=2 supersymmetric gauge theories computes a quantum K-theoretic ring for Kahler manifolds X. We study the 3d gauge theory/quantum K-theory correspondence for global and local Calabi-Yau manifolds…

High Energy Physics - Theory · Physics 2020-01-08 Hans Jockers , Peter Mayr

As an analog of the quantum TKK algebra, a twisted quantum toroidal algebra of type A_1 is introduced. Explicit realization of the new quantum TKK algebra is constructed with the help of twisted quantum vertex operators over a Fock space.

Quantum Algebra · Mathematics 2013-08-12 Naihuan Jing , Rongjia Liu

We introduce a class of new algebras, the shifted quiver Yangians, as the BPS algebras for type IIA string theory on general toric Calabi-Yau three-folds. We construct representations of the shifted quiver Yangian from general subcrystals…

High Energy Physics - Theory · Physics 2021-09-07 Dmitry Galakhov , Wei Li , Masahito Yamazaki

We find a direct relation between quiver representation theory and open topological string theory on a class of toric Calabi-Yau manifolds without compact four-cycles, also referred to as strip geometries. We show that various quantities…

High Energy Physics - Theory · Physics 2020-05-25 Miłosz Panfil , Piotr Sułkowski

We relate SLOCC equivalence classes of qudit states to moduli spaces of Calabi-Yau manifolds equipped with a collection of line bundles. The cases of 3 qutrits and 4 qubits are also related to noncommutative algebraic geometry.

Quantum Physics · Physics 2014-02-18 Shinnosuke Okawa , Kazushi Ueda

For an algebraically closed field $K$, we investigate a class of noncommutative $K$-algebras called connected quantized Weyl algebras. Such an algebra has a PBW basis for a set of generators $\{x_1,\dots,x_n\}$ such that each pair satisfies…

Rings and Algebras · Mathematics 2017-08-29 Christopher D. Fish , David A. Jordan