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We prove that in all dimensions at least 3 and for any H\"ormander-type oscillatory integral operator satisfying Bourgain's condition, the sticky case of the corresponding curved Kakeya conjecture reduces to the sticky case of the classical…

Classical Analysis and ODEs · Mathematics 2026-04-13 Arian Nadjimzadah

A beautiful theorem due to J. L. F. Bertrand concerning the laws of attraction that admit bounded closed orbits for arbitrarily chosen initial conditions is translated from French into English.

Classical Physics · Physics 2013-04-18 F. C. Santos , V. Soares , A. C. Tort

We use the Gromov-Witten invariants and a nonsqueezing theorem by the author to affirm a conjecture by P.Biran on the Lagrangian barriers.

Symplectic Geometry · Mathematics 2007-05-23 Guangcun Lu

The purpose of this paper is describe Lagrangian Mechanics for constrained systems on Lie algebroids, a natural framework which covers a wide range of situations (systems on Lie groups, quotients by the action of a Lie group, standard…

Differential Geometry · Mathematics 2008-02-07 D. Iglesias , J. C. Marrero , D. Martin de Diego , D. Sosa

We show that the reduction mod p of an orthogonal linear representation is orthogonal, and we generalize this fact to representations of algebras with involution.The proofs make an essential use of the notion of " middle lattices ".

Group Theory · Mathematics 2018-08-09 Jean-Pierre Serre

The paper contains a proof of the Fontaine-Jannsen conjecture based on a crystalline version of the p-adic Poincar'e lemma (different proofs were found earlier by Faltings, Niziol and Tsuji).

Algebraic Geometry · Mathematics 2013-02-22 Alexander Beilinson

The said paper [2] entitled "Proof Of Two Dimensional Jacobian Conjecture" is with gaps.

Rings and Algebras · Mathematics 2007-05-23 T. T. Moh

These are lecture notes focusing on recent progress towards Bourgain's slicing problem and the isoperimetric conjecture proposed by Kannan, Lovasz and Simonovits (KLS).

Functional Analysis · Mathematics 2024-12-02 Bo'az Klartag , Joseph Lehec

This paper develops the notion of implicit Lagrangian systems on Lie algebroids and a Hamilton--Jacobi theory for this type of system. The Lie algebroid framework provides a natural generalization of classical tangent bundle geometry. We…

Mathematical Physics · Physics 2012-11-20 Melvin Leok , Diana Sosa

We prove Rubin's conjecture on the structure of local units in the anticyclotomic $\mathbb{Z}_p$-extension of unramified quadratic extension of $\mathbb{Q}_p$ in $p=3$ case by extending Burungale-Kobayashi-Ota's work.

Number Theory · Mathematics 2025-02-03 Xiaojun Yan , Xiuwu Zhu

We introduce the mixed Bourgain-Morrey spaces and obtain their preduals. The boundedness of Hardy-Littlewood maximal operator, iterated maximal operator, fractional integral operator, singular integral operator on these spaces is proved.…

Functional Analysis · Mathematics 2025-11-12 Tengfei Bai , Pengfei Guo , Jingshi Xu

We establish the spectral gap property for dense subgroups generated by algebraic elements in any compact simple Lie group, generalizing earlier results of Bourgain and Gamburd for unitary groups.

Representation Theory · Mathematics 2014-05-09 Yves Benoist , Nicolas de Saxcé

Darmon's conjecture on a relation between cyclotomic units over real quadratic fields and certain algebraic regulators was recently solved by Mazur and Rubin by using their theory of Kolyvagin systems. In this paper, we formulate a…

Number Theory · Mathematics 2014-06-19 Takamichi Sano

The goal of this paper is to lay the foundations for a combinatorial study, via orthogonal functions and intertwining operators, of category O for the rational Cherednik algebra of type G(r,p,n). As a first application, we give a…

Representation Theory · Mathematics 2008-08-23 Stephen Griffeth

In this article, we prove the remaining open cases of the Fontaine-Mazur conjecture on two-dimensional regular Galois representations over $\Gal(\overline{\Q}/\Q)$ when $p=3$, hence concluding the conjecture in the regular case for all odd…

Number Theory · Mathematics 2025-07-23 Xinyao Zhang

We find a sharp combinatorial bound for the metric entropy of sets in R^n and general classes of functions. This solves two basic combinatorial conjectures on the empirical processes. 1. A class of functions satisfies the uniform Central…

Functional Analysis · Mathematics 2016-12-23 Mark Rudelson , Roman Vershynin

We improve Frank-Sabin's work concerning the spectral cluster bounds for orthonormal systems at $p=\infty$, on the flat torus and spaces of nonpositive sectional curvature, by shrinking the spectral band from $[\lambda^{2},…

Analysis of PDEs · Mathematics 2023-07-24 Tianyi Ren , An Zhang

We prove an identity about partitions, previously conjectured in the study of shifted Jack polynomials (math.CO/9903020). The proof given is using $\lambda$-ring techniques. It would be interesting to obtain a bijective proof.

Combinatorics · Mathematics 2007-05-23 Alain Lascoux , Michel Lassalle

The existence and uniqueness of linking systems associated to saturated fusion systems over discrete $p$-toral groups were proved by Levi and Libman. Their proof make indirectly use of the classification of the finite simple groups. Here we…

Algebraic Topology · Mathematics 2017-12-15 Rémi Molinier

In the framework of canonical and dual canonical bases of Fock spaces, Brundan in 2003 formulated a Kazhdan-Lusztig type conjecture for the characters of the irreducible and tilting modules in the BGG category for the general linear Lie…

Representation Theory · Mathematics 2015-11-03 Shun-Jen Cheng , Ngau Lam , Weiqiang Wang