%0 Journal Article
%T STRUCHTURE OF A MAXIMUM PLANAR DIAGRAM<br>极大平面图结构研究
%A Wang Shaowen Subcollege of Industrial
%A Commercial Management Beijing College of Mechanical Industry
%A Received date:--
%A <br>王绍文
%J 光子学报
%D 1998
%I 
%X In order for the four colors problem is studied with a conventional math method,first the structure of maximum planar diagram is analysed,soon the criterion theorems,the related properties and the constructing algorithm are proposed.
%K Planar diagram
%K Maximum planar diagram
%K Isomorphic diagram<br>平面图
%K 极大平面图
%K 同构图
%K 四色问题
%K 图论
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=9F6139E34DAA109F9C104697BF49FC39&aid=A6CEA281A694D5CBEFA33DFACEA7C90F&yid=8CAA3A429E3EA654&vid=DB817633AA4F79B9&iid=0B39A22176CE99FB&sid=ED01F5AE50BE09C0&eid=9D453329DCCABB94&journal_id=1004-4213&journal_name=光子学报&referenced_num=4&reference_num=5