RUS  ENG
Full version
JOURNALS // Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika // Archive

Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 2025 Number 5, Pages 26–30 (Mi vmumm4715)

Mathematics

Recognition of almost $r$-trees by automata implementing graph traversal

A. A. Demidova

Lomonosov Moscow State University, Faculty of Mechanics and Mathematics

Abstract: The subject of the paper work is an automaton that traverses connected plane simple undirected graphs in order to determine whether they are $r$-almost-trees. The paper provides an algorithm and time estimates for establishing this property, as well as a description of the automaton under consideration.

Key words: automata, graphs, cyclomatic number of a graph, $r$-almost-trees.

UDC: 519.713, 519.17

Received: 03.07.2024

DOI: 10.55959/MSU0579-9368-1-66-5-4


 English version:
Moscow University Mathematics Bulletin, Moscow University Mеchanics Bulletin, 2025, 80:5, 299–304


© Steklov Math. Inst. of RAS, 2026