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Related papers: Tropical Nevanlinna theory and second main theorem

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A generalization of the second main theorem of tropical Nevanlinna theory is presented for noncontinuous piecewise linear functions and for tropical hypersurfaces without requiring a growth condition. The method of proof is novel and…

Algebraic Geometry · Mathematics 2023-05-24 Juho Halonen , Risto Korhonen , Galina Filipuk

Tropical Nevanlinna theory, introduced by Halburd and Southall as a tool to analyze integrability of ultra-discrete equations, studies the growth and complexity of continuous piecewise linear real functions. The purpose of this paper is to…

Complex Variables · Mathematics 2015-03-02 Risto Korhonen , Kazuya Tohge

Tropical Nevanlinna theory studies value distribution of continuous piecewise linear functions of a real variable. In this paper, we use the reasoning from tropical Nevanlinna theory to present tropical counterparts of some classical…

Algebraic Geometry · Mathematics 2016-04-05 Kai Liu , Ilpo Laine , Kazuya Tohge

A tropical version of Nevanlinna theory is described in which the role of meromorphic functions is played by continuous piecewise linear functions of a real variable whose one-sided derivatives are integers at every point. These functions…

Exactly Solvable and Integrable Systems · Physics 2007-07-31 R. G. Halburd , N. J. Southall

The main goal of this paper is to establish the higher-dimensional Nevanlinna theory in tropical geometry. We first develop a theory of tropical meromorphic functions ( holomorphic maps) in several variables, such as the proximity function,…

Algebraic Geometry · Mathematics 2025-08-29 Tingbin Cao , Jiahu Peng

In this paper, the tropical Nevanlinna theory is extended for piecewise polynomial continuous functions. By constructing the $n$-th Poisson-Jensen formula, the $n$-th tropical counting, proximity, and characteristic functions are…

Algebraic Geometry · Mathematics 2026-02-04 Risto Korhonen , Chengliang Tan

The tropical Nevanlinna theory is Nevanlinna theory for tropical functions or maps over the max-plux semiring by using the approach of complex analysis. The main purpose of this paper is to study the second main theorem with tropical…

Complex Variables · Mathematics 2026-01-29 Tingbin Cao , Jianhua Zheng

This paper establishes a version of Nevanlinna theory based on Askey-Wilson divided difference operator for meromorphic functions of finite logarithmic order in the complex plane $\mathbb{C}$. A second main theorem that we have derived…

Complex Variables · Mathematics 2018-02-06 Yik-Man Chiang , Shaoji Feng

Nevanlinna's second main theorem is a far-reaching generalisation of Picard's Theorem concerning the value distribution of an arbitrary meromorphic function f. The theorem takes the form of an inequality containing a ramification term in…

Complex Variables · Mathematics 2013-09-16 Rodney Halburd , Risto Korhonen

A tropical version of the Schauder fixed point theorem for compact subsets of tropical linear spaces is proved.

Functional Analysis · Mathematics 2009-09-17 G. B. Shpiz , G. L. Litvinov

We prove a tropical analogue of Cartan's second main theorem for holomorphic curves intersecting hyperplanes in general position--a setting that was not fully resolved by previous tropical Nevanlinna theory. Two versions are obtained. The…

Algebraic Geometry · Mathematics 2026-05-25 Yuting Wang , Tingbin Cao

This paper studies the following question: given a piecewise-linear function, find its minimal algebraic representation as a tropical rational signomial. We put forward two different notions of minimality, one based on monomial length, the…

Combinatorics · Mathematics 2024-07-24 Ngoc Mai Tran , Jidong Wang

In this paper, we give some extension of fundamental theorems in Nevanlinna - Cartan theory for holomorphic curve on M punctured complex planes. As an application, we establish a result for uniqueness problem of holomorphic curve by inverse…

Complex Variables · Mathematics 2017-03-17 Nguyen Van Thin

We demonstrate a strong form of Nevanlinna's Second Main Theorem for solutions to difference equations f(z+1)=R(z, f(z)), with the coefficients of R growing slowly relative to f, and R of degree at least 2 in the second coordinate.

Number Theory · Mathematics 2021-11-30 Patrick Ingram

A two-parameter characteristic of functions meromorphic on annuli is introduced and an extension of the Nevanlinna value distribution theory for such functions is proposed.

Complex Variables · Mathematics 2008-07-09 Andriy Kondratyuk

We study the class of real-valued functions on convex subsets of R^n which are computed by the maximum of finitely many affine functionals with integer slopes. We prove several results to the effect that this property of a function can be…

Combinatorics · Mathematics 2008-11-21 Kiran S. Kedlaya , Philip Tynan

We obtain a Second Main Theorem type inequality for holomorphic maps $f : M \to X$, where $M$ is a parabolic manifold and $X$ is smooth projective with dim $M$ $\le$ dim $X$. We also derive a parabolic Tautological inequality for smooth…

Algebraic Geometry · Mathematics 2024-12-03 Clara Derand

We show that the virial theorem provides a useful simple tool for approximating nonlinear problems. In particular we consider conservative nonlinear oscillators and a bifurcation problem. In the former case we obtain the same main result…

Mathematical Physics · Physics 2009-05-06 Paolo Amore , Francisco M Fernández

Sharp versions of some classical results in differential equations are given. Main results consists of a Clunie and a Mohon'ko type theorems, both with sharp forms of error terms. The sharpness of these results is discussed and some…

Complex Variables · Mathematics 2007-05-23 Risto Korhonen

The existence of entire solutions to quadratic trinomial Fermat type differential-difference equations and \(q\)-difference differential equations involving second-order derivatives is studied by using Nevanlinna theory, and the exact form…

Classical Analysis and ODEs · Mathematics 2025-10-16 Xuxu Xiang , Jianren Long
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