Local geometry of Equilibria and a Poincaré-Bendixson-type Theorem for Holomorphic Flows

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Autori principali: Kainz, Nicolas, Lebiedz, Dirk
Natura: Preprint
Pubblicazione: 2024
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author Kainz, Nicolas
Lebiedz, Dirk
author_facet Kainz, Nicolas
Lebiedz, Dirk
contents In this paper, we explore the local geometry of dynamical systems $\dot{x}=F(x)$ with real time parameterization, where $F$ is holomorphic on connected open subsets of $\mathbb{C}\stackrel{\sim}{=}\mathbb{R}^2$. We describe the geometry of first-order equilibria. For equilibria of higher orders, we establish an equivalent condition for "definite directions", allowing us to reverse the implication in Theorem 2 of Chapter 2.10 in [Differential equations and dynamical systems, Lawrence Perko (1990)] under the additional condition of holomorphy. This enables the geometric construction of a finite elliptic decomposition. We derive a holomorphic Poincaré-Bendixson-type theorem, leading to the conclusion that bounded non-periodic orbits are always homoclinic or heteroclinic.
format Preprint
id arxiv_https___arxiv_org_abs_2402_07612
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Local geometry of Equilibria and a Poincaré-Bendixson-type Theorem for Holomorphic Flows
Kainz, Nicolas
Lebiedz, Dirk
Dynamical Systems
Complex Variables
Geometric Topology
30A99, 30C10, 30C15, 30D30 (Primary), 32M25, 37F10, 37F75 (Secondary)
In this paper, we explore the local geometry of dynamical systems $\dot{x}=F(x)$ with real time parameterization, where $F$ is holomorphic on connected open subsets of $\mathbb{C}\stackrel{\sim}{=}\mathbb{R}^2$. We describe the geometry of first-order equilibria. For equilibria of higher orders, we establish an equivalent condition for "definite directions", allowing us to reverse the implication in Theorem 2 of Chapter 2.10 in [Differential equations and dynamical systems, Lawrence Perko (1990)] under the additional condition of holomorphy. This enables the geometric construction of a finite elliptic decomposition. We derive a holomorphic Poincaré-Bendixson-type theorem, leading to the conclusion that bounded non-periodic orbits are always homoclinic or heteroclinic.
title Local geometry of Equilibria and a Poincaré-Bendixson-type Theorem for Holomorphic Flows
topic Dynamical Systems
Complex Variables
Geometric Topology
30A99, 30C10, 30C15, 30D30 (Primary), 32M25, 37F10, 37F75 (Secondary)
url https://arxiv.org/abs/2402.07612