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Discussiones Mathematicae Graph Theory最新文献

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Adjacent vertex strongly distinguishing total coloring of graphs with lower average degree 相邻顶点强区分平均度较低的图的全着色
4区 数学
Discussiones Mathematicae Graph Theory Pub Date : 2023-01-01 DOI: 10.7151/dmgt.2518
Fei Wen, Li Zhou, Zepeng Li
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引用次数: 0
The Turán number of three disjoint paths Turán三条不相交路径的个数
IF 0.7 4区 数学
Discussiones Mathematicae Graph Theory Pub Date : 2023-01-01 DOI: 10.7151/dmgt.2507
Jin Deng, Jianfeng Hou, Qinghou Zeng
{"title":"The Turán number of three disjoint paths","authors":"Jin Deng, Jianfeng Hou, Qinghou Zeng","doi":"10.7151/dmgt.2507","DOIUrl":"https://doi.org/10.7151/dmgt.2507","url":null,"abstract":"","PeriodicalId":48875,"journal":{"name":"Discussiones Mathematicae Graph Theory","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71129992","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biregular (and regular) planar cages 双规则(和规则)平面笼
IF 0.7 4区 数学
Discussiones Mathematicae Graph Theory Pub Date : 2023-01-01 DOI: 10.7151/dmgt.2425
G. Araujo-Pardo, F. Barrera-Cruz, N. Garcia-Colin
{"title":"Biregular (and regular) planar cages","authors":"G. Araujo-Pardo, F. Barrera-Cruz, N. Garcia-Colin","doi":"10.7151/dmgt.2425","DOIUrl":"https://doi.org/10.7151/dmgt.2425","url":null,"abstract":"","PeriodicalId":48875,"journal":{"name":"Discussiones Mathematicae Graph Theory","volume":"14 1","pages":"1171-1194"},"PeriodicalIF":0.7,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81652798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the distribution of distance signless Laplacian eigenvalues with given independence and chromatic number 给定独立性和色数的距离无符号拉普拉斯特征值的分布
4区 数学
Discussiones Mathematicae Graph Theory Pub Date : 2023-01-01 DOI: 10.7151/dmgt.2524
Shariefuddin Pirzada, Saleem Khan, Francesco Belardo
{"title":"On the distribution of distance signless Laplacian eigenvalues with given independence and chromatic number","authors":"Shariefuddin Pirzada, Saleem Khan, Francesco Belardo","doi":"10.7151/dmgt.2524","DOIUrl":"https://doi.org/10.7151/dmgt.2524","url":null,"abstract":"","PeriodicalId":48875,"journal":{"name":"Discussiones Mathematicae Graph Theory","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135057583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Online size Ramsey number for C4 and P6 C4和P6的在线尺寸拉姆齐号码
4区 数学
Discussiones Mathematicae Graph Theory Pub Date : 2023-01-01 DOI: 10.7151/dmgt.2513
Mateusz Litka
{"title":"Online size Ramsey number for <i>C<sub>4</sub></i> and <i>P<sub>6</sub></i>","authors":"Mateusz Litka","doi":"10.7151/dmgt.2513","DOIUrl":"https://doi.org/10.7151/dmgt.2513","url":null,"abstract":"In this paper we consider a game played on the edge set of the infinite clique $K_mathbb{N}$ by two players, Builder and Painter. In each round of the game, Builder chooses an edge and Painter colors it red or blue. Builder wins when Painter creates a red copy of $G$ or a blue copy of $H$, for some fixed graphs $G$ and $H$. Builder wants to win in as few rounds as possible, and Painter wants to delay Builder for as many rounds as possible. The online size Ramsey number $tilde{r}(G,H)$, is the minimum number of rounds within which Builder can win, assuming both players play optimally. So far it has been proven by Dybizba'nski, Dzido and Zakrzewska that $11leqtilde{r}(C_4,P_6)leq13$ cite{Dzido}. In this paper, we refine this result and show the exact value, namely we will present the Theorem that $tilde{r}(C_4,P_6)=11$, with the details of the proof. Keywords: graph theory, Ramsey theory, combinatorial games, online size Ramsey number","PeriodicalId":48875,"journal":{"name":"Discussiones Mathematicae Graph Theory","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135442103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrigendum to "Minimum edge cuts in diameter 2 graphs" “直径2图的最小切边量”的勘误表
4区 数学
Discussiones Mathematicae Graph Theory Pub Date : 2023-01-01 DOI: 10.7151/dmgt.2517
Allan Bickle, Allen Schwenk
{"title":"Corrigendum to \"Minimum edge cuts in diameter 2 graphs\"","authors":"Allan Bickle, Allen Schwenk","doi":"10.7151/dmgt.2517","DOIUrl":"https://doi.org/10.7151/dmgt.2517","url":null,"abstract":"","PeriodicalId":48875,"journal":{"name":"Discussiones Mathematicae Graph Theory","volume":"2015 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135700692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Critical aspects in broadcast domination 广播统治的关键方面
IF 0.7 4区 数学
Discussiones Mathematicae Graph Theory Pub Date : 2023-01-01 DOI: 10.7151/dmgt.2506
Jishnu Sen, S. Kola
{"title":"Critical aspects in broadcast domination","authors":"Jishnu Sen, S. Kola","doi":"10.7151/dmgt.2506","DOIUrl":"https://doi.org/10.7151/dmgt.2506","url":null,"abstract":"","PeriodicalId":48875,"journal":{"name":"Discussiones Mathematicae Graph Theory","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71129976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The tree-achieving set and non-separating independent set problem of subcubic graphs 次三次图的树成集和不可分离独立集问题
4区 数学
Discussiones Mathematicae Graph Theory Pub Date : 2023-01-01 DOI: 10.7151/dmgt.2522
Fayun Cao, Han Ren
{"title":"The tree-achieving set and non-separating independent set problem of subcubic graphs","authors":"Fayun Cao, Han Ren","doi":"10.7151/dmgt.2522","DOIUrl":"https://doi.org/10.7151/dmgt.2522","url":null,"abstract":"","PeriodicalId":48875,"journal":{"name":"Discussiones Mathematicae Graph Theory","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136301686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The maximum number of edges in a {Kr+1,Mk+1}-free graph {Kr+1,Mk+1}自由图的最大边数
4区 数学
Discussiones Mathematicae Graph Theory Pub Date : 2023-01-01 DOI: 10.7151/dmgt.2515
Lingting Fu, Jian Wang, Weihua Yang
{"title":"The maximum number of edges in a <i>{K<sub>r+1</sub>,M<sub>k+1</sub>}</i>-free graph","authors":"Lingting Fu, Jian Wang, Weihua Yang","doi":"10.7151/dmgt.2515","DOIUrl":"https://doi.org/10.7151/dmgt.2515","url":null,"abstract":"","PeriodicalId":48875,"journal":{"name":"Discussiones Mathematicae Graph Theory","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135556670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Global dominated coloring of graphs 图的全局支配着色
IF 0.7 4区 数学
Discussiones Mathematicae Graph Theory Pub Date : 2023-01-01 DOI: 10.7151/dmgt.2498
David A. Kalarkop, I. Sahul Hamid, M. Chellali, R. Rangarajan
{"title":"Global dominated coloring of graphs","authors":"David A. Kalarkop, I. Sahul Hamid, M. Chellali, R. Rangarajan","doi":"10.7151/dmgt.2498","DOIUrl":"https://doi.org/10.7151/dmgt.2498","url":null,"abstract":"","PeriodicalId":48875,"journal":{"name":"Discussiones Mathematicae Graph Theory","volume":"31 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71129955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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