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In this paper, we classify all simple modules over the quantum torus $\mathbb{C}_{\nu}[x^{\pm1},y^{\pm1}]$ and the quantum group $U_q(\mathfrak{sl_2})$ for generic case.

Quantum Algebra · Mathematics 2020-03-17 L. Xia , N. Hu

We propose a natural generalization of a conjecture by Garsia, originally concerning the realization of conformal classes of genus-1 surfaces via embeddings in three-dimensional Euclidean space. This generalized conjecture is formulated…

Differential Geometry · Mathematics 2025-07-31 Leonardo A. Cano García

Among all affine, flat, finitely presented group schemes, we focus on those that are pure, this includes all groups which are extensions of a finite locally free group by a group with connected fibres. We prove that over an arbitrary base…

Algebraic Geometry · Mathematics 2018-08-08 Giulia Battiston , Matthieu Romagny

Geyer and Jarden proved several results for torsion points of elliptic curves defined over the fixed field by finitely many elements in the absolute Galois group of a finitely generated field over the prime field in its algebraic closure.…

Number Theory · Mathematics 2021-04-27 Takuya Asayama

Let $R$ be a commutative ring with identity and $G$ a graph. Extending generalized splines are a further extension of generalized splines by allowing vertex labels of $G$ to lie in varying modules rather than in a fixed ring $R$.…

Combinatorics · Mathematics 2026-02-05 Gökçen Dilaver , Selma Altınok

We propose and prove the Verlinde formula for the quantization of the Higgs bundle moduli spaces and stacks for any simple and simply-connected group. This generalizes the equivariant Verlinde formula for the case of $SU(n)$ proposed…

Algebraic Geometry · Mathematics 2017-01-17 Jørgen Ellegaard Andersen , Sergei Gukov , Du Pei

We give new explicit formulas for the representations of the mapping class group of a genus one surface with one boundary component which arise from Integral TQFT. Our formulas allow one to compute the h-adic expansion of the TQFT-matrix…

Geometric Topology · Mathematics 2015-10-28 Patrick M. Gilmer , Gregor Masbaum

In this paper, we generalize the Givental theory for Frobenius manifolds and cohomological field theories to flat F-manifolds and F-cohomological field theories. In particular, we define a notion of Givental cone for flat F-manifolds, and…

Algebraic Geometry · Mathematics 2022-10-21 Alessandro Arsie , Alexandr Buryak , Paolo Lorenzoni , Paolo Rossi

We establish the equivalence between $U(1)$ Chern-Simons and Reshetikhin-Turaev TQFTs associated with finite quadratic modules. For gauge group $U(1)$ and even level $k$, we prove that the corresponding Chern-Simons TQFT is naturally…

Quantum Algebra · Mathematics 2026-04-28 Daniel Galviz

We introduce an alternative way of constructing continuous flexible tubes and tubular structures based on a discrete, semi-discrete and smooth construction of surfaces known as T-hedra in the discrete case and profile-affine surfaces in the…

Differential Geometry · Mathematics 2023-01-25 Kiumars Sharifmoghaddam , Rupert Maleczek , Georg Nawratil

We study (support) $\tau$-tilting modules over the trivial extensions of finite dimensional algebras. More precisely, we construct two classes of (support)$\tau$-tilting modules in terms of the adjoint functors which extend and generalize…

Representation Theory · Mathematics 2022-02-21 Zhi-Wei Li , Xiaojin Zhang

Using simple modules over the derivation Lie algebra $C[t]\frac{d}{d t}$ of the associative polynomial algebra $C[t]$, we construct new weight Virasoro modules with all weight spaces infinite dimensional. We determine necessary and…

Representation Theory · Mathematics 2019-08-09 Rencai Lu , Kaiming Zhao

We study truncated point schemes of connected graded algebras as families over the parameter space of varying relations for the algebras, proving that the families are flat over the open dense locus where the point schemes achieve the…

Rings and Algebras · Mathematics 2017-09-27 Alex Chirvasitu , Ryo Kanda

The category of all modules over a reductive complex Lie algebra is wild, and therefore it is useful to study full subcategories. For instance, Bernstein, Gelfand and Gelfand introduced a category of modules which provides a natural setting…

Representation Theory · Mathematics 2010-10-08 Guillaume Tomasini

In his seminal paper "Generalized Fixed Point Algebras and Square-Integrable Group Actions", Ralf Meyer showed how to construct generalized fixed-point algebras for $ C^{\ast} $-dynamical systems via their square-integrable representations…

Representation Theory · Mathematics 2017-04-14 Leonard Huang

We construct the irreducible unipotent modules of the finite general linear groups using tableaux. Our construction is analogous to that of James (1976) for the symmetric groups, answering an open question as to whether such a construction…

Representation Theory · Mathematics 2018-02-20 Scott Andrews

We construct new stable vector bundles on Hilbert schemes of points on algebraic surfaces, which are parametrised by connected components of their moduli spaces. This work generalises aspects of our previous work on tautological bundles and…

Algebraic Geometry · Mathematics 2025-10-14 Andreas Krug , Fabian Reede , Ziyu Zhang

Let $G$ be a semisimple complex Lie group with a Borel subgroup $B$. Let $X=G/B$ be the flag manifold of $G$. Let $C=P^1\ni\infty$ be the projective line. Let $\alpha\in H_2(X,{\Bbb Z})$. The moduli space of $G$-monopoles of topological…

Algebraic Geometry · Mathematics 2015-03-26 Michael Finkelberg , Alexander Kuznetsov , Nikita Markarian , Ivan Mirković

In this article, we consider singular equivariant arithmetic schemes whose generic fibres are smooth. For such schemes, we prove a relative fixed point formula of Lefschetz type in the context of Arakelov geometry. This formula is an…

Algebraic Geometry · Mathematics 2011-02-23 Shun Tang

In the present paper, a class of new simple modules over the $N=1$ Ramond algebra are constructed, which are induced from simple modules over some finite dimensional solvable Lie superalgebras. These new modules are simple restricted…

Quantum Algebra · Mathematics 2023-02-08 Haibo Chen