Isoperiodic meromorphic forms: two simple poles

In this paper, we prove that isoperiodic moduli spaces of meromorphic differentials with two simple poles on homologically marked smooth curves are non-empty and connected unless they correspond to double covers of \mathbb{C}/\mathbb{Z} on curves of genus at least two. We deduce dynamical consequences for the corresponding isoperiodic foliation.

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Publication Details

Journal
Groups Geometry and Dynamics
Published
2025-10-09
DOI
https://doi.org/10.4171/ggd/799
Primary Topic
Meromorphic and Entire Functions
Type
article
Field-Weighted Citation Impact
0.00
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article

Isoperiodic meromorphic forms: two simple poles

Gabriel Calsamiglia, Bertrand Deroin
Groups Geometry and Dynamics
Meromorphic and Entire Functions
article

Isoperiodic meromorphic forms: two simple poles

Gabriel Calsamiglia, Bertrand Deroin
article en

Abstract

In this paper, we prove that isoperiodic moduli spaces of meromorphic differentials with two simple poles on homologically marked smooth curves are non-empty and connected unless they correspond to double covers of \mathbb{C}/\mathbb{Z} on curves of genus at least two. We deduce dynamical consequences for the corresponding isoperiodic foliation.

Groups Geometry and DynamicsVol. 20(1)
Centre National de la Recherche Scientifique (FR), Universidade Federal Fluminense (BR), CY Cergy Paris Université (FR)
Openalex Percentile: Top 61%
Meromorphic and Entire Functions
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