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We propose a definition of tropical linear series that isolates some of the essential combinatorial properties of tropicalizations of not-necessarily-complete linear series on algebraic curves. The definition combines the Baker-Norine…

Algebraic Geometry · Mathematics 2022-10-03 David Jensen , Sam Payne

We introduce a sheaf-theoretic approach to tropical homology, especially for tropical homology with potentially non-compact supports. Our setup is suited to study the functorial properties of tropical homology, and we show that it behaves…

Algebraic Geometry · Mathematics 2019-06-24 Andreas Gross , Farbod Shokrieh

Let G be a reductive complex algebraic group and V a finite-dimensional G-module. From elements of the invariant algebra C[V]^G we obtain by polarization elements of C[kV]^G, where k\geq 1 and kV denotes the direct sum of k copies of V. For…

Representation Theory · Mathematics 2007-05-23 Gerald W. Schwarz

To a compact tropical variety of arbitrary dimension, we associate a collection of intermediate Jacobians defined in terms of tropical homology and tropical monodromy. We then develop an Abel-Jacobi theory in the tropical setting by…

Algebraic Geometry · Mathematics 2025-04-22 Omid Amini , Daniel Corey , Leonid Monin

We contribute to the foundations of tropical geometry with a view towards formulating tropical moduli problems, and with the moduli space of curves as our main example. We propose a moduli functor for the moduli space of curves and show…

Algebraic Geometry · Mathematics 2020-04-29 Renzo Cavalieri , Melody Chan , Martin Ulirsch , Jonathan Wise

In classical geometry, a linear space is a space that is closed under linear combinations. In tropical geometry, it has long been a consensus that tropical varieties defined by valuated matroids are the tropical analogue of linear spaces.…

Algebraic Geometry · Mathematics 2015-05-11 Simon Hampe

Numerical equivalence of algebraic cycles is defined abstractly by intersection numbers. Classically, for smooth complex proper toric varieties, the quotients by numerical equivalence with rational coefficients can be described…

Algebraic Geometry · Mathematics 2026-05-14 Ryota Mikami

The software TrIm offers implementations of tropical implicitization and tropical elimination, as developed by Tevelev and the authors. Given a polynomial map with generic coefficients, TrIm computes the tropical variety of the image. When…

Symbolic Computation · Computer Science 2010-06-22 Bernd Sturmfels , Josephine Yu

We show that super Gromov-Witten invariants can be defined and computed by methods of tropical geometry. When the target is a point, the super invariants are descendant invariants on the moduli space of curves, which can be computed…

Algebraic Geometry · Mathematics 2025-10-21 Artan Sheshmani , Shing-Tung Yau , Benjamin Zhou

We prove a $q$-refined tropical correspondence theorem for higher genus descendant logarithmic Gromov--Witten invariants with a $\lambda_g$ class in toric surfaces. Specifically, a generating series of such logarithmic Gromov--Witten…

Algebraic Geometry · Mathematics 2024-12-06 Patrick Kennedy-Hunt , Qaasim Shafi , Ajith Urundolil Kumaran

This is a foundational paper in tropical linear algebra, which is linear algebra over the min-plus semiring. We introduce and compare three natural definitions of the rank of a matrix, called the Barvinok rank, the Kapranov rank and the…

Combinatorics · Mathematics 2007-05-23 M. Develin , F. Santos , B. Sturmfels

This paper is the first part in a series of three papers devoted to the study of enumerative invariants of abelian surfaces through the tropical approach. In this paper, we consider the enumeration of genus $g$ curves of fixed degree…

Algebraic Geometry · Mathematics 2024-11-27 Thomas Blomme

We investigate the problem of counting tropical genus g curves in g-dimensional tropical abelian varieties. For g = 2, 3, we prove that the tropical count matches the count provided by G\"ottsche, Bryan-Leung, and Lange-Sernesi in the…

Algebraic Geometry · Mathematics 2016-06-14 Lars Halvard Halle , Simon Rose

We propose a method to study the integrable cellular automata with periodic boundary conditions, via the tropical spectral curve and its Jacobian. We introduce the tropical version of eigenvector map from the isolevel set to a divisor class…

Mathematical Physics · Physics 2008-02-07 Rei Inoue , Tomoyuki Takenawa

We introduce a tropical geometric framework that allows us to define $\psi$ classes for moduli spaces of tropical curves of arbitrary genus. We prove correspondence theorems between algebraic and tropical $\psi$ classes for some…

Algebraic Geometry · Mathematics 2023-03-22 Renzo Cavalieri , Andreas Gross , Hannah Markwig

In the last few years there has been a growing interest towards methods for statistical inference and learning based on computational geometry and, notably, tropical geometry, that is, the study of algebraic varieties over the min-plus…

Logic in Computer Science · Computer Science 2025-11-21 Davide Barbarossa , Paolo Pistone

We introduce and study a special class of ideals, called tropical ideals, in the semiring of tropical polynomials, with the goal of developing a useful and solid algebraic foundation for tropical geometry. The class of tropical ideals…

Algebraic Geometry · Mathematics 2019-02-20 Diane Maclagan , Felipe Rincón

We study Jacobian varieties for tropical curves. These are real tori equipped with integral affine structure and symmetric bilinear form. We define tropical counterpart of the theta function and establish tropical versions of the…

Algebraic Geometry · Mathematics 2011-11-09 Grigory Mikhalkin , Ilia Zharkov

Given a generic semidefinite program, specified by matrices with rational entries, each coordinate of its optimal solution is an algebraic number. We study the degree of the minimal polynomials of these algebraic numbers. Geometrically,…

Optimization and Control · Mathematics 2008-09-09 Jiawang Nie , Kristian Ranestad , Bernd Sturmfels

The subject of the present paper is phase tropicalization, which was used crucially in the context of Mikhalkin's correspondence theorem for curve counting in the complex coefficient case. The subject can be traced back to Viro's…

Algebraic Geometry · Mathematics 2026-04-28 Andrei Bengus-Lasnier , Mikhail Shkolnikov
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