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{"title":"关于超图的簇覆盖的一些结果和问题","authors":"Vojtech Rödl, Marcelo Sales","doi":"10.1002/jgt.23111","DOIUrl":null,"url":null,"abstract":"<p>For a <span></span><math>\n <semantics>\n <mrow>\n <mi>k</mi>\n </mrow>\n <annotation> $k$</annotation>\n </semantics></math>-uniform hypergraph <span></span><math>\n <semantics>\n <mrow>\n <mi>F</mi>\n </mrow>\n <annotation> $F$</annotation>\n </semantics></math> we consider the parameter <span></span><math>\n <semantics>\n <mrow>\n <mi>Θ</mi>\n <mrow>\n <mo>(</mo>\n \n <mi>F</mi>\n \n <mo>)</mo>\n </mrow>\n </mrow>\n <annotation> ${\\rm{\\Theta }}(F)$</annotation>\n </semantics></math>, the minimum size of a clique cover of the edge set of <span></span><math>\n <semantics>\n <mrow>\n <mi>F</mi>\n </mrow>\n <annotation> $F$</annotation>\n </semantics></math>. We derive bounds on <span></span><math>\n <semantics>\n <mrow>\n <mi>Θ</mi>\n <mrow>\n <mo>(</mo>\n \n <mi>F</mi>\n \n <mo>)</mo>\n </mrow>\n </mrow>\n <annotation> ${\\rm{\\Theta }}(F)$</annotation>\n </semantics></math> for <span></span><math>\n <semantics>\n <mrow>\n <mi>F</mi>\n </mrow>\n <annotation> $F$</annotation>\n </semantics></math> belonging to various classes of hypergraphs.</p>","PeriodicalId":16014,"journal":{"name":"Journal of Graph Theory","volume":"107 2","pages":"442-457"},"PeriodicalIF":0.9000,"publicationDate":"2024-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jgt.23111","citationCount":"0","resultStr":"{\"title\":\"Some results and problems on clique coverings of hypergraphs\",\"authors\":\"Vojtech Rödl, Marcelo Sales\",\"doi\":\"10.1002/jgt.23111\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>For a <span></span><math>\\n <semantics>\\n <mrow>\\n <mi>k</mi>\\n </mrow>\\n <annotation> $k$</annotation>\\n </semantics></math>-uniform hypergraph <span></span><math>\\n <semantics>\\n <mrow>\\n <mi>F</mi>\\n </mrow>\\n <annotation> $F$</annotation>\\n </semantics></math> we consider the parameter <span></span><math>\\n <semantics>\\n <mrow>\\n <mi>Θ</mi>\\n <mrow>\\n <mo>(</mo>\\n \\n <mi>F</mi>\\n \\n <mo>)</mo>\\n </mrow>\\n </mrow>\\n <annotation> ${\\\\rm{\\\\Theta }}(F)$</annotation>\\n </semantics></math>, the minimum size of a clique cover of the edge set of <span></span><math>\\n <semantics>\\n <mrow>\\n <mi>F</mi>\\n </mrow>\\n <annotation> $F$</annotation>\\n </semantics></math>. We derive bounds on <span></span><math>\\n <semantics>\\n <mrow>\\n <mi>Θ</mi>\\n <mrow>\\n <mo>(</mo>\\n \\n <mi>F</mi>\\n \\n <mo>)</mo>\\n </mrow>\\n </mrow>\\n <annotation> ${\\\\rm{\\\\Theta }}(F)$</annotation>\\n </semantics></math> for <span></span><math>\\n <semantics>\\n <mrow>\\n <mi>F</mi>\\n </mrow>\\n <annotation> $F$</annotation>\\n </semantics></math> belonging to various classes of hypergraphs.</p>\",\"PeriodicalId\":16014,\"journal\":{\"name\":\"Journal of Graph Theory\",\"volume\":\"107 2\",\"pages\":\"442-457\"},\"PeriodicalIF\":0.9000,\"publicationDate\":\"2024-06-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jgt.23111\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Graph Theory\",\"FirstCategoryId\":\"100\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/jgt.23111\",\"RegionNum\":3,\"RegionCategory\":\"数学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"MATHEMATICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Graph Theory","FirstCategoryId":"100","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/jgt.23111","RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATHEMATICS","Score":null,"Total":0}
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