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Related papers: Non-archimedean amoebas and tropical varieties

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The purpose of this paper is to give an algorithm for deciding the irreducibility of reduced algebroid curves over an algebraically closed field of arbitrary characteristic. To do this, we introduce a new notion of local tropical variety…

Commutative Algebra · Mathematics 2011-02-16 Takafumi Shibuta

We prove an analogue of the Yomdin-Gromov Lemma for $p$-adic definable sets and more broadly in a non-archimedean, definable context. This analogue keeps track of piecewise approximation by Taylor polynomials, a nontrivial aspect in the…

Algebraic Geometry · Mathematics 2015-10-07 R. Cluckers , G. Comte , F. Loeser

Let $A$ be an abelian variety with totally degenerate reduction over a non-Archimedean field. We describe the moduli space of semihomogeneous vector bundles on $A$ from the perspective of non-Archimedean uniformization and show that the…

Algebraic Geometry · Mathematics 2026-05-13 Andreas Gross , Inder Kaur , Martin Ulirsch , Annette Werner

We show that the amoeba of a complex algebraic variety defined as the solutions to a generic system of $n$ polynomials in $n$ variables has a finite basis. In other words, it is the intersection of finitely many hypersurface amoebas.…

Algebraic Geometry · Mathematics 2014-04-15 Mounir Nisse

We prove a continuity result for the fibers of the Berkovich analytification of a complex algebraic variety with respect to the the maximum of the Archimedean norm and the trivial norm. As a consequence, we obtain generalizations of a…

Algebraic Geometry · Mathematics 2015-04-08 Mattias Jonsson

We define monodromy maps for tropical Dolbeault cohomology of algebraic varieties over non-Archimedean fields. We propose a conjecture of Hodge isomorphisms via monodromy maps, and provide some evidence.

Algebraic Geometry · Mathematics 2017-04-28 Yifeng Liu

Amoebas are projections of complex algebraic varieties in the algebraic torus under a Log-absolute value map, which have connections to various mathematical subjects. While amoebas of hypersurfaces have been intensively studied in recent…

Combinatorics · Mathematics 2017-02-07 Martina Juhnke-Kubitzke , Timo de Wolff

Tropical toric varieties are partial compactifications of finite dimensional real vector spaces associated with rational polyhedral fans. We introduce plurisubharmonic functions and a Bedford--Taylor product for Lagerberg currents on open…

Algebraic Geometry · Mathematics 2021-02-16 José Ignacio Burgos Gil , Walter Gubler , Philipp Jell , Klaus Künnemann

We prove analogues of the Riemann-Roch Theorem and the Hodge Theorem for noncommutative tori (of any dimension) equipped with complex structures, and discuss implications for the question of how to distinguish "noncommutative abelian…

Operator Algebras · Mathematics 2023-05-19 Varghese Mathai , Jonathan Rosenberg

We develop a framework to apply tropical and nonarchimedean analytic techniques to multiplication maps on linear series and study degenerations of these multiplications maps when the special fiber is not of compact type. As an application,…

Algebraic Geometry · Mathematics 2016-01-20 David Jensen , Sam Payne

\textit{Harmonic amoebas} are generalisations of amoebas of algebraic curves immersed in complex tori. Introduced in \cite{Kri}, the consideration of such objects suggests to enlarge the scope of tropical geometry. In the present paper, we…

Algebraic Geometry · Mathematics 2020-02-25 Lionel Lang

By using Schottky uniformization theory of degenerating algebraic curves, we describe the tropical convergence of harmonic amoebas of pointed Riemann surfaces to tropical curves which are not necessarily simple. We extend Lang's results on…

Algebraic Geometry · Mathematics 2026-01-27 Takashi Ichikawa

In this note we show that any basic abelian variety with additional structures over an arbitrary algebraically closed field of characteristic $p>0$ is isogenous to another one defined over a finite field. We also show that the category of…

Number Theory · Mathematics 2016-02-24 Chia-Fu Yu

By implementing jet differential techniques in non-archimedean geometry, we obtain a big Picard type extension theorem, which generalizes a previous result of Cherry and Ru. As applications, we establish two hyperbolicity-related results.…

Algebraic Geometry · Mathematics 2021-09-09 Dinh Tuan Huynh , Ruiran Sun , Song-Yan Xie

Ducros, Hrushovski, and Loeser gave maps from families of archimedean diffrential forms to non-archiemedean (or tropical) ones, which are compatible with integrals on algebraic varieties. In this paper, we introduce slight modifications of…

Algebraic Geometry · Mathematics 2024-06-17 Ryota Mikami

Let $G$ be a connected reductive algebraic group. We develop a Gr\"obner theory for multiplicity-free $G$-algebras, as well as a tropical geometry for subschemes in a spherical homogeneous space $G/H$. We define the notion of a spherical…

Algebraic Geometry · Mathematics 2017-07-10 Kiumars Kaveh , Christopher Manon

We develop an equivariant version of the non-archimedean Arakelov theory of [BGS95] in the case of toric varieties. We define the equivariant analogues of the non-archimedean differential forms and currents appearing in \emph{loc.~cit.} and…

Algebraic Geometry · Mathematics 2025-07-08 Ana María Botero

We give an elementary introduction to some recent polyhedral techniques for understanding and solving systems of multivariate polynomial equations. We provide numerous concrete examples and illustrations, and assume no background in…

Algebraic Geometry · Mathematics 2025-10-20 J. Maurice Rojas

We show that the amoeba of a generic complex algebraic variety of codimension $1<r<n$ do not have a finite basis. In other words, it is not the intersection of finitely many hypersurface amoebas. Moreover we give a geometric…

Algebraic Geometry · Mathematics 2014-03-18 Mounir Nisse

Starting with a non-abelian gerbe represented by a non-abelian differential cocycle, with values in a given crossed-module, this paper explicitly calculates a formula for the derivative of the associated surface holonomy of squares mapped…

Differential Geometry · Mathematics 2021-02-22 Cheyne J Glass