具有三个圈的本原不可幂定号有向图的基与广义基.pdf

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6、äknؽÒkãÄ2ÂÄþe.?1ïÄ.31Ù¥,0ãØVã9A^+,½ÒkãÄ2ÂÄïÄ?ÐÄ£,ÓÑ©Ì(Ø.31Ù¥,ïÄnaؽÒkã,©OùnaãÄþe..édaã?1é'`².31nÙ¥,ïÄüaؽÒkã,©Oùüaã2ÂÄþ..'cµ½Òkã;ã;SSSDå»é;ê;Ä;2ÂÄ1I¥ÆÆØ©ABSTRACTGraphtheoryisaveryimportantfoundationalquestionincombinatorialmathematics,itsresearcha

7、nddevelopmentprospectareveryextensive.Ithasimportantapplicationinmanysubjectssuchasinformationsecurity,passwordsecurityprotocols,economics,physics,chemical,biology,sociologyandsoon.Inthispaperweresearchthebasesandthelocalbasesofprimitivenon-powerfulsigneddigraphswiththreecycle

8、s.Inchapter1,weintroducethehistoryofdevelopmentonthegraphtheory,theresearchprogressofthebasesandthelocalbasesofsigneddigraphs,somebasicknowledge,relevantconclusionsandthemainconclusions.Inchapter2,westudythebasesofthreekindsofprimitivenon-powerfulsigneddigraphs.Inchapter3,west

9、udythelocalbasesoftwokindsofprimitivenon-powerfulsigneddigrap