| LOWER BOUND NUMBER OF IRREDUCIBLE GRAPHS ON SURMCES |
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| 作者姓名： | 刘莹 刘彦佩 |
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| 作者单位： | Department of Mathematics，Northern Jiaotong University，Beijing 100044，China |
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| 摘 要： | 1IntroductionThesurfaceisacompact2-manifold.AnorientablesurfaCeofgenuskishomeonlorphictoaspherewithkhandles,whichwedenoteitbySk.Anon-orientablesurfaceofgenuskishomeomorphictoaspherewithkcrosscaps,whichwedenoteitbySa.AnembeddingMonsurfaceSgmeanstheunderlyinggraphofMisdrawnonSOsuchthatnoedgesintersecteachotherandeachfaceishomeomorphictothedisc5],wedenoteitbyMCS,(orforS.).Irreduciblegraphscharacterizethosegraphswhichcannotbeembeddedonasurfacebutdeletinganyedgeofthisgraph,theresultantgraphc…
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LOWER BOUND NUMBER OF IRREDUCIBLE GRAPHS ON SURMCES |
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| Liu Ying, Liu Yanpei.LOWER BOUND NUMBER OF IRREDUCIBLE GRAPHS ON SURMCES[J].Acta Mathematica Scientia,1998(3). |
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| Authors: | Liu Ying Liu Yanpei |
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| Abstract: | |
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| Keywords: | irreducible graph surface genus embedding |
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