Graph 4-braid groups and Massey products

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dc.contributor.authorKo, Ki Hyoungko
dc.contributor.authorLa, Joon Hyunko
dc.contributor.authorPark, Hyo Wonko
dc.date.accessioned2016-06-07T09:05:03Z-
dc.date.available2016-06-07T09:05:03Z-
dc.date.created2016-02-01-
dc.date.created2016-02-01-
dc.date.issued2016-01-
dc.identifier.citationTOPOLOGY AND ITS APPLICATIONS, v.197, pp.133 - 153-
dc.identifier.issn0166-8641-
dc.identifier.urihttp://hdl.handle.net/10203/207732-
dc.description.abstractWe first show that the braid group over a graph topologically containing no Theta-shape subgraph has a presentation related only by commutators. Then using discrete Morse theory and triple Massey products, we prove that a graph topologically contains none of four prescribed graphs if and only if its 4-braid groups is a right-angled Artin group.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE BV-
dc.subjectANGLED ARTIN GROUPS-
dc.subjectBRAID-GROUPS-
dc.subjectMORSE-THEORY-
dc.titleGraph 4-braid groups and Massey products-
dc.typeArticle-
dc.identifier.wosid000367763300010-
dc.identifier.scopusid2-s2.0-84946607197-
dc.type.rimsART-
dc.citation.volume197-
dc.citation.beginningpage133-
dc.citation.endingpage153-
dc.citation.publicationnameTOPOLOGY AND ITS APPLICATIONS-
dc.identifier.doi10.1016/j.topol.2015.10.010-
dc.contributor.localauthorKo, Ki Hyoung-
dc.contributor.nonIdAuthorLa, Joon Hyun-
dc.contributor.nonIdAuthorPark, Hyo Won-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorGraph braid group-
dc.subject.keywordAuthorMassey product-
dc.subject.keywordAuthorDiscrete Morse theory-
dc.subject.keywordPlusANGLED ARTIN GROUPS-
dc.subject.keywordPlusBRAID-GROUPS-
dc.subject.keywordPlusMORSE-THEORY-
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