Reeb spaces of functions being analytic on dense subsets and their graph structures

Fuente: arXiv
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Autore principale: Kitazawa, Naoki
Natura: Preprint
Pubblicazione: 2026
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author Kitazawa, Naoki
author_facet Kitazawa, Naoki
contents Reeb spaces of real-valued functions on manifolds are the spaces of all connected components (contours) of level sets and endowed with the natural quotient topology. They have been fundamental and strong tools in investigating manifolds via smooth functions with mild critical points since the birth of fundamental theory of Morse functions in the 20th century. We are concerned with topologies and combinatorics of them. Following an explicit note on explicit Reeb spaces of explicit functions which are real analytic (on dense sets) and seem to be simplest and most fundamental, edited by the author himself. We investigate other construction of examples of such functions and their Reeb spaces. Reeb spaces are naturally graphs in considerable cases and as another work, we also discuss natural definitions of vertices for them.
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id arxiv_https___arxiv_org_abs_2602_23380
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Reeb spaces of functions being analytic on dense subsets and their graph structures
Kitazawa, Naoki
General Topology
Algebraic Geometry
Complex Variables
Reeb spaces of real-valued functions on manifolds are the spaces of all connected components (contours) of level sets and endowed with the natural quotient topology. They have been fundamental and strong tools in investigating manifolds via smooth functions with mild critical points since the birth of fundamental theory of Morse functions in the 20th century. We are concerned with topologies and combinatorics of them. Following an explicit note on explicit Reeb spaces of explicit functions which are real analytic (on dense sets) and seem to be simplest and most fundamental, edited by the author himself. We investigate other construction of examples of such functions and their Reeb spaces. Reeb spaces are naturally graphs in considerable cases and as another work, we also discuss natural definitions of vertices for them.
title Reeb spaces of functions being analytic on dense subsets and their graph structures
topic General Topology
Algebraic Geometry
Complex Variables
url https://arxiv.org/abs/2602.23380