BALANCED INCOMPLETE BLOCK DESIGN AND THE CONSTRUCTION OF GEODETIC BLOCKS  

作　　者：毛经中 

机构地区：[1]Huazhong Normal University, Wuchang 430070, PRC

出　　处：《Chinese Science Bulletin》1990年第21期1761-1762,共2页

基　　金：Project supported by the National Natural Science Foundation of China.

摘　　要：We only discuss finite undirected simple graph.Suppose graph G is connected. If for each pair of vertices x and y of G there is the unique shortest path which connects x and y, then G is called geodetic graph. If G is 2-connected geodetic graph, then G is called geodetic block.

关 键 词：GEODETIC BLOCK PROJECTIVE PLANE AFFINE plane. 

分 类 号：N[自然科学总论]