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Related papers: Mordell-Lang in positive characteristic

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We construct positive loops of Legendrian submanifolds in several instances. In particular, we partially recover G. Liu's result stating that any loose Legendrian admits a positive loop, under some mild topological assumptions on the…

Symplectic Geometry · Mathematics 2016-10-10 Dishant Pancholi , José Luis Pérez , Francisco Presas

We prove a dynamical version of the Mordell-Lang conjecture for etale endomorphisms of quasiprojective varieties. We use p-adic methods inspired by the work of Skolem, Mahler, and Lech, combined with methods from algebraic geometry. As…

Number Theory · Mathematics 2008-08-26 Jason Bell , Dragos Ghioca , Thomas J. Tucker

In this article, I introduce a group-theoretical method to prove positivity of certain linear combinations (with coefficients generally lying in $\mathbb{C}$) of exponential functions under a set of semidefinite linear constraints. The…

Group Theory · Mathematics 2021-12-06 Robert Lin

We prove a dynamical version of the Mordell-Lang conjecture in the context of Drinfeld modules. We use analytic methods similar to the ones employed by Skolem, Chabauty, and Coleman for studying diophantine equations.

Number Theory · Mathematics 2014-01-14 Dragos Ghioca , Thomas J. Tucker

We give extensions of results on nonnegative matrix semigroups which deduce finiteness or boundedness of such semigroups from the corresponding local properties, e.g., from finiteness or boundedness of values of certain linear functionals…

Functional Analysis · Mathematics 2013-07-01 Roman Drnovšek , Heydar Radjavi

We propose a conjectural extension to positive characteristic case of a well known Deligne's theorem on the existence of super fiber functors. We prove our conjecture in the special case of semisimple categories with finitely many…

Category Theory · Mathematics 2015-03-06 Victor Ostrik

We establish an analogue of the Goldbach conjecture for Laurent polynomials with positive integer coefficients.

Number Theory · Mathematics 2023-12-05 Sophia Liao , Harold Polo

We prove continuity results for abstract epimorphisms of locally compact groups onto finitely generated groups.

Group Theory · Mathematics 2016-02-01 Linus Kramer

In this paper we study the Lefschetz properties of monomial complete intersections in positive characteristic. We give a complete classification of the strong Lefschetz property when the number of variables is at least three, which proves a…

Commutative Algebra · Mathematics 2019-05-07 Samuel Lundqvist , Lisa Nicklasson

In the paper new criteria of existence and conjugacy of Hall subgroups of finite groups are given.

Group Theory · Mathematics 2012-05-14 Wenbin Guo , Alexander N. Skiba

We prove the Farrell-Jones conjecture for free-by-cyclic groups. The proof uses recently developed geometric methods for establishing the Farrell-Jones Conjecture.

Geometric Topology · Mathematics 2021-05-31 Mladen Bestvina , Koji Fujiwara , Derrick Wigglesworth

Roberts, Freudenburg, and Daigle and Freudenburg have given the smallest counterexamples to Hilbert's fourteenth problem as rings of invariants of algebraic groups. Each is of an action of the additive group on a finite dimensional vector…

Commutative Algebra · Mathematics 2016-02-01 Emilie Dufresne , Andreas Maurischat

We generalize the concept of divergence of finitely generated groups by introducing the upper and lower relative divergence of a finitely generated group with respect to a subgroup. Upper relative divergence generalizes Gersten's notion of…

Group Theory · Mathematics 2016-01-20 Hung Cong Tran

We prove that the approximation conjecture of Luck holds for all amenable groups in the complex group algebra case. This result was previously proved by Dodziuk, Linnell, Mathai, Schick and Yates under the assumption that the group is…

Functional Analysis · Mathematics 2016-09-07 Gabor Elek

We settle in the affirmative the Graham-Sloane conjecture.

Combinatorics · Mathematics 2022-01-10 Edinah K. Gnang , Michael Peretzian Williams

For a group G relatively hyperbolic to a family of residually finite groups satisfying the Farrell-Jones conjecture, we reduce the solution of the Farrell-Jones conjecture for G to the case of certain nice cyclic extensions in G.

Group Theory · Mathematics 2013-10-29 Yago Antolín , Giovanni Gandini

We prove positive characteristic analogues of certain measure rigidity theorems in characteristic zero. More specifically we give a classification result for positive entropy measures on quotients of $\operatorname{SL}_d$ and a…

Dynamical Systems · Mathematics 2020-02-12 M. Einsiedler , E. Lindenstrauss , A. Mohammadi

By generalizing Frobenius' polynomial method to good partition algebra, we will develop new character theories for a finite group $G$. A uniform defining equations are derived for these kinds of character theories. The new character…

Representation Theory · Mathematics 2023-06-05 Lizhong Wang , Jiping Zhang

This text brings to an end the classification of non-reduced parabolic subgroups in positive characteristic, especially two and three: they are all obtained as intersections of parabolics having maximal reduced part. We prove this result…

Algebraic Geometry · Mathematics 2023-12-04 Matilde Maccan

In this paper, we prove the Farrell-Jones Conjecture for the solvable Baumslag-Solitar groups with coefficients in an additive category. We also extend our results to groups of the form, Z[1/p] semidirect product with any virtually cyclic…

Geometric Topology · Mathematics 2014-01-13 Tom Farrell , Xiaolei Wu