Paired domination in graphs with minimum degree four

Množica vozlišč ▫$S$▫ grafa ▫$G$▫ je v parih dominantna množica, če je vsako vozlišče ▫$G$▫ sosednje z vozliščem iz ▫$S$▫ in podgraf, ki ga inducira ▫$S$▫, dopušča popolno prirejanje. Najmanjša kardinalnost v parih dominantne množice ▫$G$▫ je v parih dominantno število ▫$\gamma_{pr}(G)$▫ grafa ▫$G$▫. Dokažemo, da če je ▫$G$▫ graf reda ▫$n$▫ in ▫$\delta(G)\ge 4$▫, potem je ▫$\gamma_{pr}(G) \le 10n/17 < 0,5883n$▫.

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Publication Details

Journal
Discrete Mathematics
Published
2025-12-05
DOI
https://doi.org/10.1016/j.disc.2025.114923
Primary Topic
Advanced Graph Theory Research
Type
article
Field-Weighted Citation Impact
0.00
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article

Paired domination in graphs with minimum degree four

Csilla Bujtás, Michael A. Henning
Discrete Mathematics
Advanced Graph Theory Research
article

Paired domination in graphs with minimum degree four

Csilla Bujtás, Michael A. Henning
article en

Abstract

Množica vozlišč ▫$S$▫ grafa ▫$G$▫ je v parih dominantna množica, če je vsako vozlišče ▫$G$▫ sosednje z vozliščem iz ▫$S$▫ in podgraf, ki ga inducira ▫$S$▫, dopušča popolno prirejanje. Najmanjša kardinalnost v parih dominantne množice ▫$G$▫ je v parih dominantno število ▫$\gamma_{pr}(G)$▫ grafa ▫$G$▫. Dokažemo, da če je ▫$G$▫ graf reda ▫$n$▫ in ▫$\delta(G)\ge 4$▫, potem je ▫$\gamma_{pr}(G) \le 10n/17 < 0,5883n$▫.

Discrete MathematicsVol. 349(4)
Openalex Percentile: Top 62%
Advanced Graph Theory Research
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