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In the paper we formulate and verify a difference counterpart of the Macdonald-Mehta conjecture and its generalization for the Macdonald polynomials. Namely, we determine the Fourier transforms of the polynomials multiplied by the Gaussian,…

q-alg · Mathematics 2008-02-03 Ivan Cherednik

We study the categorical entropy and counterexamples to Gromov-Yomdin type conjecture via homological mirror symmetry of K3 surfaces established by Sheridan-Smith. We introduce asymptotic invariants of quasi-endofunctors of dg categories,…

Algebraic Geometry · Mathematics 2022-07-20 Kohei Kikuta , Genki Ouchi

We introduce a Grassmannian structure for a class of quotient Hilbert modules and attack the polydisc version of Arveson-Douglas conjecture associated to distinguished varieties. More interestingly, we obtain an operator-theoretic…

Operator Algebras · Mathematics 2023-04-27 Kunyu Guo , Penghui Wang , Chong Zhao

We show that a $KK$-equivalence between two unital $C^*$-algebras produces a correspondence between their DG categories of finitely generated projective modules which is a $\mathbf{K}_*$-equivalence, where $\mathbf{K}_*$ is Waldhausen's…

K-Theory and Homology · Mathematics 2009-07-04 Snigdhayan Mahanta

We extend the conjecture on the derived equivalence and K-equivalence to the logarithmic case and prove it in the toric case.

Algebraic Geometry · Mathematics 2007-05-23 Yujiro Kawamata

We introduce twisted K-theoretic Gromov-Witten invariants - in the frameworks of both "ordinary" and permutation-equivariant K-theoretic GW theory defined recently by Givental. We focus on the case when the twisting is given by the Euler…

Algebraic Geometry · Mathematics 2016-06-03 Valentin Tonita

Many important problems in extremal combinatorics can be be stated as proving a pure binomial inequality in graph homomorphism numbers, i.e., proving that…

Combinatorics · Mathematics 2022-02-03 Grigoriy Blekherman , Annie Raymond

We define Hochschild cohomology of the second kind for differential graded (dg) or curved algebras as a derived functor in the twisted derived category, and show that it is invariant under suitable Morita equivalences of the second kind. A…

Category Theory · Mathematics 2026-02-20 Ai Guan , Julian Holstein , Andrey Lazarev

We prove the conjecture of Friedlander et al. about sums over Littelmann patterns for the the root system of type $G_2$, which is an analogue of Tokuyama's theorem for root systems of type $A_r$. We use elementary means to show that the…

Representation Theory · Mathematics 2018-06-26 Mario DeFranco

Irreducibility results for parabolic induction of representations of the general linear group over a local non-archimedean field can be formulated in terms of Kazhdan--Lusztig polynomials of type $A$. Spurred by these results and some…

Combinatorics · Mathematics 2018-09-25 Erez Lapid

In a recent article, D. Kazhdan and A. Yom Din conjectured the validity of an asymptotic form of Schur's orthogonality for tempered irreducible unitary representations of semisimple groups defined over local fields. In the non-Archimedean…

Representation Theory · Mathematics 2025-09-03 Anne-Marie Aubert , Alfio Fabio La Rosa

We present a general conjecture on the divisibility of a certain expression in terms of Kostka numbers and their close variants. This conjecture is closely related to a variant of the period-index problem of noncommutative algebra, with…

Combinatorics · Mathematics 2016-11-28 Arnav Tripathy

We study interpolation properties of operators (not necessarily linear) which satisfy a specific $K$-inequality corresponding to endpoints defined in terms of Orlicz--Karamata spaces modeled upon the example of the Gaussian--Sobolev…

Functional Analysis · Mathematics 2022-08-04 Sergi Baena-Miret , Amiran Gogatishvili , Zdeněk Mihula , Luboš Pick

Let $K$ be a number field, and let $d\geq 2$. A conjecture of Odoni (stated more generally for characteristic zero Hilbertian fields $K$) posits that there is a monic polynomial $f\in K[x]$ of degree $d$, and a point $x_0\in K$, such that…

Number Theory · Mathematics 2018-12-19 Robert L. Benedetto , Jamie Juul

The derived McKay correspondence conjecture says that there is an equivalence of triangulated categories between the bounded derived categories of commutative and non-commutative crepant resolutions of a Gorenstein singularity. We will…

Algebraic Geometry · Mathematics 2024-10-22 Yujiro Kawamata

We show that if two rings have equivalent derived categories then they have the same algebraic K-theory. Similar results are given for G-theory, and for a large class of abelian categories.

K-Theory and Homology · Mathematics 2007-05-23 Daniel Dugger , Brooke Shipley

We prove a type-uniform Chevalley formula for multiplication with divisor classes in the equivariant quantum $K$-theory ring of any cominuscule flag variety $G/P$. We also prove that multiplication with divisor classes determines the…

Algebraic Geometry · Mathematics 2017-06-12 Anders S. Buch , Pierre-Emmanuel Chaput , Leonardo C. Mihalcea , Nicolas Perrin

We prove a Kn"orrer periodicity type equivalence between derived factorization categories of gauged LG models, which is an analogy of a theorem proved by Shipman and Isik independently. As an application, we obtain a gauged LG version of…

Algebraic Geometry · Mathematics 2019-02-20 Yuki Hirano

Let $Y$ be a cubic threefold with a non-Eckardt type involution $\tau$. Our first main result is that the $\tau$-equivariant category of the Kuznetsov component $\mathcal{K}u_{\mathbb{Z}_2}(Y)$ determines the isomorphism class of $Y$ for…

Algebraic Geometry · Mathematics 2024-10-22 Sebastian Casalaina-Martin , Xianyu Hu , Xun Lin , Shizhuo Zhang , Zheng Zhang

C. Bonnaf{\'e}, M. Geck, L. Iancu, and T. Lam have conjectured a description of one-sided cells in unequal parameter Hecke algebras of type $B$ which is based on domino tableaux of arbitrary rank. In the integer case, this generalizes the…

Representation Theory · Mathematics 2008-03-25 Thomas Pietraho