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We prove nilpotency results for Lie algebras over an arbitrary field admitting a derivation, which satisfies a given polynomial identity $r(t)=0$. For the polynomial $r=t^n-1$ we obtain results on the nilpotency of Lie algebras admitting a…

Rings and Algebras · Mathematics 2021-03-09 D. Burde , W. A. Moens

Some work in progress is announced, on the use of algebraic geometry, mostly concerning elliptic curve theory, to model turbulence. Attention is given to flows across the scales, on some convenient model space, and some current trials are…

Mathematical Physics · Physics 2012-01-04 Luís G. D. C. Borges

We examine a class of geometric theorems on cyclic 2n-gons. We prove that if we take n disjoint pairs of sides, each pair separated by an even number of polygon sides, then there is a linear combination of the angles between those sides…

Computational Geometry · Computer Science 2024-01-25 Philip Todd

We study dualizing complexes on algebraic stacks. In particular, we show their existence for (tame) Deligne--Mumford stacks of equicharacteristic in great generality.

Algebraic Geometry · Mathematics 2026-03-06 Pat Lank

We prove an analog of the Ado theorem - the existence of a finite-dimensional faithful representation - for a certain kind of finite-dimensional nilpotent Hom-Lie algebras.

Rings and Algebras · Mathematics 2019-12-10 Abdenacer Makhlouf , Pasha Zusmanovich

The algebraic Hodge theorem was proved in a beautiful 1987 paper by Deligne and Illusie, using positive characteristic methods. We argue that the central algebraic object of their proof can be understood geometrically as a line bundle on a…

Algebraic Geometry · Mathematics 2016-02-11 Dima Arinkin , Andrei Caldararu , Marton Hablicsek

This paper explores the properties of multiplicative Lie algebra structures on a nilpotent group of class $2$. We also present a method for determining a multiplicative Lie algebra structure on a group that serves as an extension of one Lie…

Group Theory · Mathematics 2024-09-26 Deepak Pal , Amit Kumar , Sumit Kumar Upadhyay

The recent non-calculus proof of Kepler's first law succeeds because of an obscure, but valid property of the ellipse.

Classical Physics · Physics 2021-11-24 Manfred Bucher

In this paper we prove global class field theory using a purely geometric result. We first write in detail Deligne's proof to the unramified case of class field theory, including defining the required objects for the proof. Then we…

Algebraic Geometry · Mathematics 2015-07-02 Avichai Tendler

Let X be a surface whose Cox ring has a single relation satisfying moreover a kind of linearity property. Under a simple assumption, we show that the geometric Manin's conjectures hold for some degrees lying in the dual of the effective…

Algebraic Geometry · Mathematics 2012-05-17 David Bourqui

We prove a Torelli-like theorem for higher-dimensional function fields, from the point of view of "almost-abelian" anabelian geometry.

Algebraic Geometry · Mathematics 2021-04-23 Adam Topaz

In this short note, we simply collect some known results about representing algebraic cycles by various kind of "nice" (e.g. smooth, local complete intersection, products of local complete intersection) algebraic cycles, up to rational…

Algebraic Geometry · Mathematics 2016-12-15 Marco Maggesi , Gabriele Vezzosi

Proofs of the fundamental theorem of algebra can be divided up into three groups according to the techniques involved: proofs that rely on real or complex analysis, algebraic proofs, and topological proofs. Algebraic proofs make use of the…

History and Overview · Mathematics 2015-04-23 Piotr Błaszczyk

I show that simple finite vertex algebras are commutative, and that the Lie conformal algebra structure underlying a reduced (i.e., without nilpotent elements) finite vertex algebra is nilpotent.

Quantum Algebra · Mathematics 2012-10-19 Alessandro D'Andrea

In this article, following an insight of Kontsevich, we extend the famous Weil conjecture (as well as the strong form of the Tate conjecture) from the realm of algebraic geometry to the broad noncommutative setting of dg categories. As a…

Algebraic Geometry · Mathematics 2019-12-09 Goncalo Tabuada

We give an effective form of the theorem of Mazur-Kamienny-Merel on the torsion of elliptic curves over number fields.

alg-geom · Mathematics 2008-02-03 Pierre Parent

We prove a general theorem that gives a linear recurrence for tuples of paths in every cylindrical network. This can be seen as a cylindrical analog of the Lindstr\"om-Gessel-Viennot theorem. We illustrate the result by applying it to Schur…

Combinatorics · Mathematics 2018-05-04 Pavel Galashin , Pavlo Pylyavskyy

For a noncommutative Orlicz space associated with a semifnite von Neumann algebra, a faithful normal semifnite trace and an Orlicz function satisfying $(\delta_2,\Delta_2)-$condition, an individual ergodic theorem is proved.

Operator Algebras · Mathematics 2016-02-02 Vladimir Chilin , Semyon Litvinov

An algorithmic proof of the General N\'eron Desingularization theorem and its uniform version is given for morphisms with big smooth locus. This generalizes the results for the one-dimensional case.

Commutative Algebra · Mathematics 2017-07-27 Zunaira Kosar , Gerhard Pfister , Dorin Popescu

We extend SL(2)-orbit theorems for degeneration of mixed Hodge structures to a situation in which we do not assume the polarizability of graded quotients. We also obtain analogous results on Deligne systems.

Algebraic Geometry · Mathematics 2015-11-03 Kazuya Kato