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JOURNALS // Doklady Rossijskoj Akademii Nauk. Mathematika, Informatika, Processy Upravlenia // Archive

Dokl. RAN. Math. Inf. Proc. Upr., 2025 Volume 523, Pages 66–70 (Mi danma649)

MATHEMATICS

On certain spanning subgraphs of random graphs

O. I. Serkova

Moscow Institute of Physics and Technology, Moscow, Russia

Abstract: An improvement of Riordan’s result on the threshold probability of the occurrence of a spanning subgraph in a random graph is obtained for some classes of subgraphs, which, in particular, implies an improved bound for the maximum power of a Hamiltonian cycle in a random graph. Moreover, the exact asymptotics of the threshold probability for the occurrence of spanning subgraphs from a wide class of $k$-degenerate graphs is found.

Keywords: random graph, spanning subgraph, Hamiltonian cycle, $k$-degenerate graph.

UDC: 519.175.4

Presented: V. V. Kozlov
Received: 17.03.2025
Revised: 17.04.2025
Accepted: 24.04.2025

DOI: 10.31857/S2686954325030112


 English version:
Doklady Mathematics, 2025, 111:3, 195–198

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© Steklov Math. Inst. of RAS, 2026