ePrints@IIScePrints@IISc Home | About | Browse | Latest Additions | Advanced Search | Contact | Help

Surfaces of infinite-type are non-Hopfian Les surfaces de type infini sont non-Hopfian

Das, S and Gadgil, S (2023) Surfaces of infinite-type are non-Hopfian Les surfaces de type infini sont non-Hopfian. In: Comptes Rendus Mathematique, 361 . pp. 1349-1356.

[img] PDF
Com_ren_mat_361_2023 - Published Version

Download (612kB)
Official URL: https://doi.org/10.5802/crmath.504

Abstract

We show that finite-type surfaces are characterized by a topological analogue of the Hopf property. Namely, an oriented surface Σ is of finite-type if and only if every proper map f : Σ � Σ of degree one is homotopic to a homeomorphism. © 2023 Elsevier Masson SAS. All rights reserved.

Item Type: Journal Article
Publication: Comptes Rendus Mathematique
Publisher: Academie des sciences
Additional Information: The copyright for this article belongs to author.
Department/Centre: Division of Physical & Mathematical Sciences > Mathematics
Date Deposited: 04 Mar 2024 09:26
Last Modified: 04 Mar 2024 09:26
URI: https://eprints.iisc.ac.in/id/eprint/84291

Actions (login required)

View Item View Item