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General position polynomialsIršič, Vesna, 1993- ...Podmnožica vozlišč grafa ▫$G$▫ je v splošni legi, če nobena trojica vozlišč is množice ne leži na skupni najkrajši poti v ▫$G$▫. V tem članku vpeljemo polinom splošne lege kot ▫$\sum_{i \geq 0} a_i ... x^i$▫, kjer je ▫$a_i$▫ število različnih podmnožic ▫$G$▫ v splošni legi, ki so velikosti ▫$i$▫. Polinom obravnavamo za več znanih družin grafov in operacij na grafih. Dokažemo, da v splošnem polinom ni unimodalen, niti na drevesih. Po drugi strani predstavimo nekaj družin grafov (na primer Kneserjevi grafi ▫$K(n,2)$▫), na katerih polinom ima lastnost unimodalnosti.Source: Results in mathematics = Resultate der Mathematik. - ISSN 1422-6383 (Vol. 79, iss. 3, [article no.] 110, May 2024, 16 str.)Type of material - article, component part ; adult, seriousPublish date - 2024Language - englishCOBISS.SI-ID - 187024387
Author
Iršič, Vesna, 1993- |
Klavžar, Sandi |
Rus, Gregor, 1992- |
Tuite, James
Topics
množice v splošni legi |
število splošne lege |
polinom splošne lege |
unimodalnost |
drevesa |
kartezični produkt grafov |
Kneserjevi grafi |
general position set |
general position number |
general position polynomial |
unimodality |
trees |
Cartesian product of graphs |
Kneser graphs
Author | Iršič, Vesna, 1993- ... |
Title | General position polynomials |
Publication date | 2024-02-28 |
COBISS.SI-ID | 187024387 |
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 |
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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 |
|
KARST: Predicting flow and transport in complex Karst systems | KARST | 101071836 |
European Commission |
Igra policajev in roparja na grafih in geodetskih prostorih | Z1-50003-2023 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
Files that belong to the publication
Link |
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https://link.springer.com/article/10.1007/s00025-024-02133-3 |
https://repozitorij.uni-lj.si/IzpisGradiva.php?id=154746 |
https://dirros.openscience.si/IzpisGradiva.php?id=18275 |
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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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Iršič, Vesna, 1993- | 50518 |
Klavžar, Sandi | 05949 |
Rus, Gregor, 1992- | 52490 |
Tuite, James |
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