A Formal Analogue of Euler's Formula for Infinite Planar Regular Graphs

Fuente: arXiv
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Hauptverfasser: Jędrzejewicz, Piotr, Marciniak, Mikołaj
Format: Preprint
Veröffentlicht: 2025
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author Jędrzejewicz, Piotr
Marciniak, Mikołaj
author_facet Jędrzejewicz, Piotr
Marciniak, Mikołaj
contents We present a formal version of the numbers of vertices, edges, and faces for infinite planar regular triangular meshes of degree r>6. These numbers are defined via Euler summation of sequences obtained from iterated expansions of a convex combinatorial disk. We prove that these formal quantities satisfy the classical Euler formula, providing a combinatorial analogue of Euler's formula for infinite planar graphs.
format Preprint
id arxiv_https___arxiv_org_abs_2512_14030
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle A Formal Analogue of Euler's Formula for Infinite Planar Regular Graphs
Jędrzejewicz, Piotr
Marciniak, Mikołaj
Combinatorics
We present a formal version of the numbers of vertices, edges, and faces for infinite planar regular triangular meshes of degree r>6. These numbers are defined via Euler summation of sequences obtained from iterated expansions of a convex combinatorial disk. We prove that these formal quantities satisfy the classical Euler formula, providing a combinatorial analogue of Euler's formula for infinite planar graphs.
title A Formal Analogue of Euler's Formula for Infinite Planar Regular Graphs
topic Combinatorics
url https://arxiv.org/abs/2512.14030