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In this paper we present an effective method for linearizing rational varieties of codimension at least two under Cremona transformations, starting from a given parametrization. Using these linearizing Cremonas, we simplify the equations of…

Algebraic Geometry · Mathematics 2014-11-18 Ciro Ciliberto , Maria Angelica Cueto , Massimiliano Mella , Kristian Ranestad , Piotr Zwiernik

We study the categorical Torelli theorem for smooth (weighted) hypersurfaces in (weighted) projective spaces via the Hochschild--Serre algebra of its Kuznetsov component. In the first part of the paper, we show that a natural graded…

Algebraic Geometry · Mathematics 2024-10-22 Xun Lin , Jørgen Vold Rennemo , Shizhuo Zhang

We prove the Mumford--Tate conjecture for those abelian varieties over number fields whose extensions to C have attached adjoint Shimura varieties that are products of simple, adjoint Shimura varieties of certain Shimura types. In…

Number Theory · Mathematics 2008-08-26 Adrian Vasiu

In this paper, to any subset $\mathcal{A} \subset \mathbb{Z}^{n}$ we explicitly associate a unique monomial projection $Y_{n,d_{\mathcal{A}}}$ of a Veronese variety, whose Hilbert function coincides with the cardinality of the $t$-fold…

Algebraic Geometry · Mathematics 2022-02-03 Liena Colarte-Gómez , Joan Elias , Rosa M. Miró-Roig

We study sheaves on holomorphic spaces of loops and apply this to the study of the complex, defined in \cite{BdSHK}, governing deformations of the \emph{Poisson vertex algebra} structure on the space of holomorphic loops into a Poisson…

Algebraic Geometry · Mathematics 2020-08-20 Emile Bouaziz

We show that the category of linearly topologized vector spaces over discrete fields constitutes the correct framework for algebraic structures on Floer homologies with field coefficients. Our case in point is the Poincar\'e duality theorem…

Symplectic Geometry · Mathematics 2024-08-01 Kai Cieliebak , Alexandru Oancea

We conclude our analysis of bubble divergences in the flat spinfoam model. In [arXiv:1008.1476] we showed that the divergence degree of an arbitrary two-complex Gamma can be evaluated exactly by means of twisted cohomology. Here, we…

General Relativity and Quantum Cosmology · Physics 2012-02-03 Valentin Bonzom , Matteo Smerlak

We explicitly write dowm integral formulas for solutions to Knizhnik-Zamolodchikov equations with coefficients in non-bounded -- neither highest nor lowest weight -- $\gtsl_{n+1}$-modules. The formulas are closely related to WZNW model at a…

High Energy Physics - Theory · Physics 2011-07-19 Kenji Iohara , Feodor Malikov

We generalize linear superalgebra to higher gradings and commutation factors, given by arbitrary abelian groups and bicharacters. Our central tool is an extension, to monoidal categories of modules, of the Nekludova-Scheunert faithful…

Rings and Algebras · Mathematics 2014-03-31 Tiffany Covolo , Jean-Philippe Michel

A clear understanding of topology of higher-dimensional objects is important in many branches of both pure and applied mathematics. In this survey we attempt to present some results of higher-dimensional topology in a way which makes clear…

Geometric Topology · Mathematics 2008-12-06 A. Skopenkov

An alternative proof of bornological Verdier duality for complex manifolds, as proven initially by Prosmans & Schneiders is given, using Schneider's theory of quasi-abelian homological algebra, and the theory of residues and duality.

Complex Variables · Mathematics 2023-08-08 Christopher Burns

Given a singular hypersurface in a regular 2-dimensional scheme essentially of finite type over a field, we construct an embedded resolution of singularities by weighted blow-ups. This differs from our earlier work which required…

Algebraic Geometry · Mathematics 2026-05-12 Dan Abramovich , Ming Hao Quek , Bernd Schober

In this manuscript we establish local H\"older regularity estimates for bounded solutions of a certain class of doubly degenerate evolution PDEs. By making use of intrinsic scaling techniques and geometric tangential methods, we derive…

Analysis of PDEs · Mathematics 2021-03-17 J. V. Silva , Elzon C. Júnior , Gleydson C. Ricarte

For a given irreducible projective variety $X$, the closure of the set of all hyperplanes containing tangents to $X$ is the projectively dual variety $X^{\vee}$. We study the singular locus of projectively dual varieties of certain…

Algebraic Geometry · Mathematics 2019-11-20 Emre Sen

We study the q-deformed Knizhnik-Zamolodchikov equation in path representations of the Temperley-Lieb algebras. We consider two types of open boundary conditions, and in both cases we derive factorised expressions for the solutions of the…

Mathematical Physics · Physics 2011-07-26 Jan de Gier , Pavel Pyatov

For a certain class of real analytic varieties with Lie group actions we develop a theory of (free-monodromic) tilting sheaves, and apply it to flag varieties stratified by real group orbits. For quasi-split real groups, we construct a…

Algebraic Geometry · Mathematics 2025-09-17 Andrei Ionov , Zhiwei Yun

Let $Z'\subset \mathbb{P}^{n}$ be a smooth projective hypersurface of degree $d>1$ and let $Z\to \mathbb{P}^n$ be the $\mu_d$-cover totally ramified along $Z'$. We relate full level $d$ structures on the primitive cohomology $Z'$ with full…

Algebraic Geometry · Mathematics 2026-02-19 Eduard Looijenga

We extend the bar-cobar adjunction to operads and properads, not necessarily augmented. Due to the default of augmentation, the objects of the dual category are endowed with a curvature. We handle the lack of augmentation by extending the…

K-Theory and Homology · Mathematics 2011-11-10 Joseph Hirsh , Joan Millès

We argue that modular classes of Q-manifolds provide an efficient method for addressing the existence of supersymmetric Berezin volumes in the supergeometric representation theory of the $\mathcal{N}=2$ $d=1$ supertranslation algebra. We…

High Energy Physics - Theory · Physics 2025-12-16 Andrew James Bruce

Sketch of proof of a theorem relating the two subjects of the title. It can be thought as an extension of results of Landau for the classical hypergeometric function. It relies on the characterization of algebraic hypergeometric functions…

Number Theory · Mathematics 2018-03-30 Fernando Rodriguez Villegas