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Title:Grafi z enolično γ-množico : na magistrskem študijskem programu Izobraževalna matematika - enopredmetna
Authors:ID Cvetrežnik, Darina (Author)
ID Dravec, Tanja (Mentor) More about this mentor... New window
Files:.pdf MAG_Cvetreznik_Darina_2023.pdf (2,90 MB)
MD5: 6CD1B2A50E650A8462C3135CBE6790DB
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FNM - Faculty of Natural Sciences and Mathematics
Abstract:V magistrskem delu podrobneje obravnavamo grafe z enolično γ-množico oziroma γ-enolične grafe. To so grafi, ki imajo natanko eno najmanjšo dominantno množico. Sprva zapišemo nekaj osnovnih definicij in trditev o grafih, nato posebej obravnavamo dve družini grafov, in sicer drevesa ter bločne grafe. Podrobneje opišemo dominantno množico in dominantno število grafa. Dokažemo nekaj potrebnih in nekaj zadostnih pogojev za grafe z natanko eno γ-množico. Nato se osredotočimo na drevesa. Predstavimo dve karakterizaciji γ-enoličnih dreves ter obe karakterizaciji posplošimo na γ-enolične bločne grafe. Nazadnje opišemo konstrukcijo γ-enoličnih grafov oziroma zapišemo štiri operacije, ki jih lahko uporabimo nad γ-enoličnimi grafi, da bo na novo dobljen graf ponovno γ-enoličen.
Keywords:dominantna množica, γ-enolični grafi, drevesa, bločni grafi.
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[D. Cvetrežnik]
Year of publishing:2023
Number of pages:VIII, 59 f.
PID:20.500.12556/DKUM-86508 New window
UDC:519.17(043.2)
COBISS.SI-ID:181386755 New window
Publication date in DKUM:17.01.2024
Views:748
Downloads:91
Metadata:XML DC-XML DC-RDF
Categories:FNM
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:06.12.2023

Secondary language

Language:English
Title:Graphs with unique γ-sets : magistrsko delo
Abstract:The thesis aims to give an in-depth insight into graphs with a unique γ-sets (known as γ-unique graphs), that is, graphs with exactly one minimum dominating set. Initially, we present fundamental theoretical concepts and principles of graphs, and examine two distinct classes of graphs, namely trees and block graphs. Subsequently, we provide a detailed description of the dominating set and the domination number of a graph. Then we give some necessary and some sufficient conditions of γ-unique graphs. γ-unique trees are then studied in more details. We present two characterizations of γ-unique trees and extend these characterizations to γ-unique block graphs. In the concluding segment of the thesis, the construction of γ-unique graphs will be explained by using four graph operations that can be applied on γ-unique graph, such that the resulting graph is again γ-unique.
Keywords:dominating set, γ-unique graphs, trees, block graphs.


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