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We survey results on mutations of Jacobian algebras, while simultaneously extending them to the more general setup of frozen Jacobian algebras, which arise naturally from dimer models with boundary and in the context of the additive…

Representation Theory · Mathematics 2021-06-09 Matthew Pressland

Let $k$ be a field and $A$ a finite-dimensional $k$-algebra of global dimension $\leq 2$. We construct a triangulated category $\Cc_A$ associated to $A$ which, if $A$ is hereditary, is triangle equivalent to the cluster category of $A$.…

Representation Theory · Mathematics 2009-07-03 Claire Amiot

We study some semi-infinite invariants associated to Landau-Ginzburg models. These specialize classically to the usual twisted de Rham package and in the case of vanishing potential to the chiral de Rham complex of Malikov, Schechtman and…

Algebraic Geometry · Mathematics 2018-06-05 E. Bouaziz

Given a quiver, a fixed dimension vector, and a positive integer n, we construct a functor from the category of D-modules on the space of representations of the quiver to the category of modules over a corresponding Gan-Ginzburg algebra of…

Representation Theory · Mathematics 2010-05-18 Silvia Montarani

We give an explicit subword complex description of the generators of the type cone of the g-vector fan of a finite type cluster algebra with acyclic initial seed. This yields in particular a description of the Newton polytopes of the…

Combinatorics · Mathematics 2020-06-19 Dennis Jahn , Robert Löwe , Christian Stump

We connect the algebraic geometry and representation theory associated to Freudenthal's magic square. We give unified geometric descriptions of several classes of orbit closures, describing their hyperplane sections and desingularizations,…

Algebraic Geometry · Mathematics 2007-05-23 J. M. Landsberg , L. Manivel

Given a quiver $Q$, a formal potential is called analytic if its coefficients are bounded by the terms of a geometric series. As shown by Toda, the potentials appearing in the deformation theory of complexes of coherent sheaves on complex…

Algebraic Geometry · Mathematics 2019-12-03 Zheng Hua , Bernhard Keller

[GGSM2] showed that height functions give adjoint orbits of semisimple Lie algebras the structure of symplectic Lefschetz fibrations (superpotential of the LG model in the language of mirror symmetry). We describe how to extend the…

Algebraic Geometry · Mathematics 2016-01-21 E. Ballico , E. Gasparim , L. Grama , L. A. B. San Martin

We use cluster algebras to interpret Floer potentials of monotone Lagrangian tori in toric del Pezzo surfaces as cluster characters of quiver representations.

Symplectic Geometry · Mathematics 2025-10-15 Peter Albers , Maria Bertozzi , Markus Reineke

We present a type-independent Landau-Ginzburg (LG) model $(X_\mathrm{can}, \mathcal{W}_\mathrm{can})$ for any cominuscule homogeneous space $X=G/P$. We give a fully combinatorial construction for our superpotential…

Algebraic Geometry · Mathematics 2024-10-08 Peter Spacek , Charles Wang

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

This article tries to generalize former works of Derksen, Weyman and Zelevinsky about skew-symmetric cluster algebras to the skew-symmetrizable case. We introduce the notion of group species with potentials and their decorated…

Representation Theory · Mathematics 2010-06-01 Laurent Demonet

Finite-dimensional Jacobian algebras are studied from the perspective of representation types. We establish that (like other representation types) the notions of $E$-finiteness and $E$-tameness are invariant under mutations of quivers with…

Representation Theory · Mathematics 2025-09-30 Mohamad Haerizadeh , Toshiya Yurikusa

This is an introductory survey on cluster algebras and their (additive) categorification using derived categories of Ginzburg algebras. After a gentle introduction to cluster combinatorics, we review important examples of coordinate rings…

Representation Theory · Mathematics 2012-03-14 Bernhard Keller

We establish new restrictions on the values of the lifting obstruction for projective unitary representations of second countable, locally compact Hausdorff groups on operator algebras. Using these, we show that every projective…

Operator Algebras · Mathematics 2025-10-06 Sergio Girón Pacheco

We show a strong factorization theorem of Dixmier-Malliavin type for ultradifferentiable vectors associated with compact Lie group representations on sequentially complete locally convex Hausdorff spaces. In particular, this solves a…

Functional Analysis · Mathematics 2026-02-13 Andreas Debrouwere , Michiel Huttener , Jasson Vindas

Motivated by the mutation theory of quivers with potentials developed by Derksen-Weyman-Zelevinsky, and the representation-theoretic approach to cluster algebras it provides, we propose a mutation theory of species with potentials for…

Rings and Algebras · Mathematics 2013-06-17 Daniel Labardini-Fragoso , Andrei Zelevinsky

We construct the Poincare polynomials for Landau-Ginzburg orbifolds with projection operators.Using them we show that special types of dualities including Poincare duality are realized under certain conditions. When Calabi-Yau…

High Energy Physics - Theory · Physics 2010-11-01 Hitoshi Sato

We prove irreducible components of moduli spaces of semistable representations of skewed-gentle algebras, and more generally, clannish algebras, are isomorphic to products of projective spaces. This is achieved by showing irreducible…

Representation Theory · Mathematics 2022-08-02 Cody Gilbert

We categorify the highest weight integrable representations and their tensor products of a symmetric quantum Kac-Moody algebra. As byproducts, we obtain a geometric realization of Lusztig's canonical bases of these representations as well…

Representation Theory · Mathematics 2024-07-09 Hao Zheng