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All Journal Electronic Journal of Graph Theory and Applications (EJGTA)
Thomas Schweser
Technische Universitat Ilmenau, Inst. of Math., PF 100565, D-98684 Ilmenau, Germany.
Electrical & Electronics Engineering

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Vertex partition of hypergraphs and maximum degenerate subhypergraphs Thomas Schweser; Michael Stiebitz
Electronic Journal of Graph Theory and Applications (EJGTA) Vol 9, No 1 (2021): Electronic Journal of Graph Theory and Applications
Publisher : GTA Research Group, Univ. Newcastle, Indonesian Combinatorics Society and ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/ejgta.2021.9.1.1

Abstract

In 2007 Matamala proved that if G is a simple graph with maximum degree Δ ≥ 3 not containing KΔ+1 as a subgraph and s, t are positive integers such that s+t ≥ Δ, then the vertex set of G admits a partition (S,T) such that G[S] is a maximum order (s-1)-degenerate subgraph of G and G[T] is a (t-1)-degenerate subgraph of G. This result extended earlier results obtained by Borodin, by Bollobas and Manvel, by Catlin, by Gerencser and by Catlin and Lai. In this paper we prove a hypergraph version of this result and extend it to variable degeneracy and to partitions into more than two parts, thereby extending a result by Borodin, Kostochka, and Toft.
Co-Authors Michael Stiebitz