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Abhyankar showed that for a finite tame extension $L_1/K$ and a finite extension $L_2/K$ of $\mathfrak{P}$-adic fields, the condition $[\nu L_1 : \nu K]$ divides $[\nu L_2 : \nu K]$ is sufficient to eliminate ramification, that is, $L_1…

Algebraic Geometry · Mathematics 2019-09-17 Arpan Dutta

Given a complex analytic function f on a Whitney stratified complex analytic variety of complex dimension n, whose real part Re(f) is Morse, we prove the existence of a stratified gradient-like vector field for Re(f) such that the unstable…

Geometric Topology · Mathematics 2010-08-02 Cheol-Hyun Cho , Giovanni Marelli

In this paper we study the universal lifting spaces of local Galois representations valued in arbitrary reductive group schemes when $\ell \neq p$. In particular, under certain technical conditions applicable to any root datum we construct…

Number Theory · Mathematics 2024-10-08 Jeremy Booher , Sean Cotner , Shiang Tang

Motivated by the intermediate Lang conjectures on hyperbolicity and rational points, we prove new finiteness results for non-constant morphisms from a fixed variety to a fixed variety defined over a number field by applying Faltings's…

Number Theory · Mathematics 2021-12-22 Ariyan Javanpeykar

We present an axiomatic approach to finite- and infinite-dimensional differential calculus over arbitrary infinite fields (and, more generally, suitable rings). The corresponding basic theory of manifolds and Lie groups is developed.…

General Mathematics · Mathematics 2007-05-23 Wolfgang Bertram , Helge Glockner , Karl-Hermann Neeb

The defect of valued field extensions is a major obstacle in open problems in resolution of singularities and in the model theory of valued fields, whenever positive characteristic is involved. We continue the detailed study of defect…

Commutative Algebra · Mathematics 2017-05-29 Anna Blaszczok , Franz-Viktor Kuhlmann

We show that finite quasisimple groups of Lie type in characteristic $p$ with an irreducible representation of prime degree $r$ over a finite field of characteristic $p$ have orders bounded above by a function of $r$, independent of $p$. We…

Group Theory · Mathematics 2026-01-06 D. L. Flannery , A. E. Zalesski

We determine some properties of the narrow 2-class field tower of those real quadratic number fields whose discriminants are not a sum of two squares and for which their 2-class groups are elementary of order $4$. Here in Part I, we…

Number Theory · Mathematics 2025-04-30 Elliot Benjamin , C. Snyder

Tent spaces of vector-valued functions were recently studied by Hyt\"onen, van Neerven and Portal with an eye on applications to H^\infty-functional calculi. This paper extends their results to the endpoint cases p = 1 and p = \infty along…

Functional Analysis · Mathematics 2019-02-20 Mikko Kemppainen

Let $K$ be a global field and let $Z$ be a geometrically irreducible algebraic variety defined over $K$. We show that if a big set $S\subseteq Z$ of rational points of bounded height occupies few residue classes modulo $\mathfrak{p}$ for…

Number Theory · Mathematics 2021-11-16 Juan Manuel Menconi , Marcelo Paredes , Román Sasyk

We study $\mathbb{Z}_2$-graded identities of simple Lie superalgebras over a field of characteristic zero. We prove the existence of the graded PI-exponent for such algebras.

Rings and Algebras · Mathematics 2019-09-25 Dušan D. Repovš , Mikhail V. Zaicev

We say that a set $S$ is additively decomposed into two sets $A$ and $B$, if $S = \{a+b : a\in A, \ b \in B\}$. Here we study additively decompositions of multiplicative subgroups of finite fields. In particular, we give some improvements…

Number Theory · Mathematics 2013-01-15 Igor Shparlinski

We extend to multiplicative lattices a theorem of Anderson and Roitman characterizing the cancellation ideals of a commutative ring.

Commutative Algebra · Mathematics 2026-01-23 Tiberiu Dumitrescu

For a tuple $(\theta_1,..,\theta_M)$ of complex number, buliding on the approximation techniques in earlier papers of this series, this paper engages in deducing lower estimates on the transcendence degree of the field generated by…

Number Theory · Mathematics 2010-01-12 Heinrich Massold

Let $\mathbb{F}_{q}$ be a finite field of characteristic $p$ and let $W_{2}(\mathbb{F}_{q})$ be the ring of Witt vectors of length two over $\mathbb{F}_{q}$. We prove that for any integer $n$ such that $p$ divides $n$, the groups…

Representation Theory · Mathematics 2020-09-22 Alexander Stasinski

We use generalized Taylor formulae in order to give some simple constructions in the real closure of an \ovfz. We deduce a new, simple quantifier elimination algorithm for \rcvfs and some theorems about constructible subsets of real…

Commutative Algebra · Mathematics 2022-02-14 Mari-Emi Alonso , Henri Lombardi

Let K be a henselian valued field of characteristic 0. Then K admits a definable partition on each piece of which the leading term of a polynomial in one variable can be computed as a definable function of the leading term of a linear map.…

Logic · Mathematics 2012-04-16 Joseph Flenner

We prove that the NTP$_1$ property of a geometric theory $T$ is inherited by theories of lovely pairs and $H$-structures associated to $T$. We also provide a class of examples of nonsimple geometric NTP$_1$ theories.

Logic · Mathematics 2023-11-14 Jan Dobrowolski , Hyeungjoon Kim

We study tensors on Lie groupoids suitably compatible with the groupoid structure, called {\em multiplicative}. Our main result gives a complete description of these objects only in terms of infinitesimal data. Special cases include the…

Differential Geometry · Mathematics 2021-09-15 Henrique Bursztyn , Thiago Drummond

In this paper we obtained the formula for the number of irreducible polynomials with degree $n$ over finite fields of characteristic two with given trace and subtrace. This formula is a generalization of the result of Cattell et al.(2003)…

Number Theory · Mathematics 2014-07-02 Won-Ho Ri , Gum-Chol Myong , Ryul Kim , Chang-Il Rim