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Related papers: Sato Grassmannians for generalized Tate spaces

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Given a Henselian and Japanese discrete valuation ring $A$ and a flat and projective $A$-scheme $X$, we follow the approach of Biswas-dos Santos to introduce a full subcategory of coherent modules on $X$ which is then shown to be Tannakian.…

Algebraic Geometry · Mathematics 2019-04-25 Phung Ho Hai , Joao Pedro dos Santos

Automorphism groups of locally finite trees provide a large class of examples of simple totally disconnected locally compact groups. It is desirable to understand the connections between the global and local structure of such a group.…

Group Theory · Mathematics 2012-01-19 Pierre-Emmanuel Caprace , Tom De Medts

Inspired by the study of vertex operator algebra extensions, we answer the question of when the category of local modules over a commutative exact algebra in a braided finite tensor category is a (non-semisimple) modular tensor category.…

Quantum Algebra · Mathematics 2025-12-24 Kenichi Shimizu , Harshit Yadav

We classify rigid Schubert classes in orthogonal Grassmannians. More generally, given a representative $X$ of a Schubert class in an orthogonal Grassmannian, we give combinatorial conditions which guarantee that every linear space…

Algebraic Geometry · Mathematics 2025-08-13 Yuxiang Liu

We revisit the definition of transverse frames and tetrad choices with regards to its application to numerically generated spacetimes, in particular those from the merger of binary black holes. We introduce the concept of local and…

General Relativity and Quantum Cosmology · Physics 2021-08-25 Nicole Rosato , Hiroyuki Nakano , Carlos O. Lousto

We study Gorenstein categories. We show that such a category has Tate cohomological functors and Avramov-Martsinkovsky exact sequences connecting the Gorenstein relative, the absolute and the Tate cohomological functors. We show that such a…

Category Theory · Mathematics 2007-11-09 Edgar Enochs , Sergio Estrada , J. R. Garcia-Rozas

From the generalized Riemann hypothesis for motivic L-functions, we derive an effective version of the Sato-Tate conjecture for an abelian variety A defined over a number field k with connected Sato-Tate group. By effective we mean that we…

Number Theory · Mathematics 2023-10-16 Alina Bucur , Francesc Fité , Kiran S. Kedlaya

We classify group schemes in terms of their Cartier modules. We also prove the equivalence of different definitions of the tangent space and the dimension for these group schemes; in particular, the minimal dimension of a formal group law…

Algebraic Geometry · Mathematics 2007-05-23 M. V. Bondarko

We prove the Sato-Tate conjecture for Hilbert modular forms. More precisely, we prove the natural generalisation of the Sato-Tate conjecture for regular algebraic cuspidal automorphic representations of $\GL_2(\A_F)$, $F$ a totally real…

Number Theory · Mathematics 2010-11-05 Thomas Barnet-Lamb , Toby Gee , David Geraghty

Motivated by the recent work of Bownik and Ross \cite{BR}, and Jakobsen and Lemvig \cite{JL}, this article generalizes latest results on reproducing formulas for generalized translation invariant (GTI) systems to the setting of super-spaces…

Functional Analysis · Mathematics 2017-02-27 Anupam Gumber , Niraj K. Shukla

We show that if the variety of minimal rational tangents (VMRT) of a uniruled projective manifold at a general point is projectively equivalent to that of a symplectic or an odd-symplectic Grassmannian, the germ of a general minimal…

Algebraic Geometry · Mathematics 2019-01-03 Jun-Muk Hwang , Qifeng Li

Let X be an orthogonal Grassmannian parametrizing isotropic subspaces in an even dimensional vector space equipped with a nondegenerate symmetric form. We prove a Giambelli formula which expresses an arbitrary Schubert class in the singular…

Algebraic Geometry · Mathematics 2012-04-02 Anders S. Buch , Andrew Kresch , Harry Tamvakis

Let G be a definably compact group in an o-minimal expansion of a real closed field. We prove that if dim(G X) < dim G for some definable X subset of G then X contains a torsion point of G. Along the way we develop a general theory for…

Logic · Mathematics 2007-08-06 Margarita Otero , Ya'acov Peterzil

A two-dimensional topological sigma-model on a generalized Calabi-Yau target space $X$ is defined. The model is constructed in Batalin-Vilkovisky formalism using only a generalized complex structure $J$ and a pure spinor $\rho$ on $X$. In…

High Energy Physics - Theory · Physics 2008-11-26 Vasily Pestun

Let $A$ and $B$ be abelian varieties defined over the function field $k(S)$ of a smooth algebraic variety $S/k.$ We establish criteria, in terms of restriction maps to subvarieties of $S,$ for existence of various important classes of…

Algebraic Geometry · Mathematics 2023-04-12 Wojciech Gajda , Sebastian Petersen

We outline a proof of a geometric version of the Satake isomorphism. Given a connected, complex algebraic reductive group G we show that the tensor category of representations of the dual group $\check G$ is naturally equivalent to a…

alg-geom · Mathematics 2008-02-03 Ivan Mirković , Kari Vilonen

Let $\overline{\mathtt{X}}_\lambda$ be the closure of the $\mathtt{I}$-orbit $\mathtt{X}_\lambda$ in the affine Grassmanian $\mathtt{Gr}$ of a simple algebraic group $G$ of adjoint type, where $\mathtt{I}$ is the Iwahori group and $\lambda$…

Representation Theory · Mathematics 2020-02-07 Marc Besson , Jiuzu Hong

The affine Grassmannian of $SL_n$ admits an embedding into the Sato Grassmannian, which further admits a Pl\"ucker embedding into the projectivization of Fermion Fock space. Kreiman, Lakshmibai, Magyar, and Weyman describe the linear part…

Algebraic Geometry · Mathematics 2018-06-18 Dinakar Muthiah , Alex Weekes , Oded Yacobi

Given a recollement of three proper dg algebras over a noetherian commutative ring, e.g. three algebras which are finitely generated over the base ring, which extends one step downwards, it is shown that there is a short exact sequence of…

Representation Theory · Mathematics 2023-07-06 Haibo Jin , Dong Yang , Guodong Zhou

This paper generalizes the normally ordered tensor product from Tate vector spaces to Tate objects over arbitrary exact categories. We show how to lift bi-right exact monoidal structures, duality functors, and construct external Homs. We…

Quantum Algebra · Mathematics 2023-02-24 Oliver Braunling , Michael Groechenig , Aron Heleodoro , Jesse Wolfson