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Partial domination in supercubic graphsBujtás, Csilla ; Henning, Michael A. ; Klavžar, SandiZa dani ▫$\alpha$▫ z ▫$0 < \alpha \le 1$▫ je podmnožica ▫$X$▫ vozlišč grafa ▫$G$▫ reda ▫$n$▫ poimenovana ▫$\alpha$▫-delna dominacijska množica grafa ▫$G$▫, če množica ▫$X$▫ dominira vsaj ▫$\alpha ... \times n$▫ vozlišč grafa ▫$G$▫. Število ▫$\alpha$▫-delne dominacije ▫${\rm pd}_{\alpha}(G)$▫ v ▫$G$▫ je najmanjša kardinalnost $\alpha$-delne dominacijske množice v ▫$G$▫. V tem članku preučujemo delno dominacijo grafov z najmanjšo stopnjo vsaj ▫$3$▫. Dokazano je, da če je ▫$G$▫ graf reda ▫$n$▫ in z ▫$\delta(G)\ge 3$▫, potem je ▫${\rm pd}_{\frac{7}{8}}(G) \le \frac{1}{3}n$▫. Če je poleg tega ▫$n\ge 60$▫, potem velja ▫${\rm pd}_{\frac{9}{10}}(G) \le \frac{1}{3}n$▫, in če je ▫$G$▫ povezan kubični graf reda ▫$n\ge 28$▫, potem je ▫${\rm pd}_{\frac{13}{14}}(G) \le \frac{1}{3}n$▫. Pokazalo se je, da obstajajo natanko štirje povezani kubični grafi reda ▫$14$▫ s dominantnim številom ▫$5$▫.Source: Discrete mathematics. - ISSN 0012-365X (Vol. 347, iss. 1, [article no.] 113669, Jan. 2024, 11 str.)Type of material - article, component part ; adult, seriousPublish date - 2024Language - englishCOBISS.SI-ID - 162890243
Author
Bujtás, Csilla |
Henning, Michael A. |
Klavžar, Sandi
Topics
dominacija |
delna dominacija |
kubični grafi |
superkubični grafi |
domination |
partial domination |
cubic graphs |
supercubic graphs
Author | Bujtás, Csilla ; Henning, Michael A. ; Klavžar, Sandi |
Title | Partial domination in supercubic graphs |
Publication date | 2023-08-31 |
COBISS.SI-ID | 162890243 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution 4.0 International |
Embargo | Immediate publication for public |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
---|---|---|---|
Teorija grafov | P1-0297-2022 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
Strukturni, optimizacijski in algoritmični problemi v geometrijskih in topoloških predstavitvah grafov | J1-2452-2020 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
Metrični problemi v grafih in hipergrafih | N1-0285-2023 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
Files that belong to the publication
Link |
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https://www.sciencedirect.com/science/article/pii/S0012365X23003552 |
https://repozitorij.uni-lj.si/IzpisGradiva.php?id=152915 |
https://dirros.openscience.si/IzpisGradiva.php?id=18189 |
source: Discrete mathematics. - ISSN 0012-365X (Vol. 347, iss. 1, [article no.] 113669, Jan. 2024, 11 str.)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Bujtás, Csilla | 52672 |
Henning, Michael A. | |
Klavžar, Sandi | 05949 |
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