Supported by NSFC(No.11301171);Tianyuan Fund for Mathematics(No.11226284);Hunan Provincial Natural Science Foundation of China(No.13JJ4079,No.14JJ7047)
partially supported by the China Postdoctoral Science Foundation funded project(No.20110491248(G.Dong));the New Century Excellent Talents in University(No.NCET-07-0276(Y.Huang));NSFC(No.11171114(H.Ren),No.10871021(Y.Liu))
Supported by National Natural Science Foundation of China(10201022,10971144);the Natural Science Foundation of Beijing City(1102015);the Fundamental Research Funds for the Central Universities(2011B019)
任韩和李刚在图的最大亏格综述一文"Survey of maximum genus of graphs"[J East China NormUniv Natur Sci,Sep.2010,No.5,1-13]中,全面地阐述了近30年来关于图的最大亏格及其相关问题所取得的进展,并提出了如下两个猜想:猜想1设G为简...