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|description=最短路径,图度量,中心顶点,边缘顶点。
 
|description=最短路径,图度量,中心顶点,边缘顶点。
 
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在'''[[图论 Graph Theory]]'''的数学领域定义中,图中两个顶点之间的距离是'''最短路径 Shortest Path'''(也称为'''<font color="#ff8000">图测地线 Graph Geodesic</font>''')中连接它们的边的数目。这也被称为'''<font color="#ff8000">测地距离 Geodesic Distance</font>'''。<ref>{{cite journal |last=Bouttier  |first=Jérémie |author2=Di Francesco,P. |author3=Guitter, E. |date=July 2003|title=Geodesic distance in planar graphs |journal= Nuclear Physics B|volume=663 |issue=3 |pages=535–567 |quote=By distance we mean here geodesic distance along the graph, namely the length of any shortest path between say two given faces|doi=10.1016/S0550-3213(03)00355-9|arxiv=cond-mat/0303272 }}</ref>但,两个顶点之间可能有不止一条最短路径。<ref>{{cite web |url=http://mathworld.wolfram.com/GraphGeodesic.html |title=Graph Geodesic |accessdate= 2008-04-23|last=Weisstein |first=Eric W. |authorlink=Eric W. Weisstein |work=MathWorld--A Wolfram Web Resource |publisher= Wolfram Research|quote=The length of the graph geodesic between these points d(u,v) is called the graph distance between u and v }}</ref>一般地,如果两个顶点间没有路径连接,也就是说,如果它们属于不同的'''<font color="#ff8000">连通分支 Connected Components</font>''',那么这两点间的距离就被定义为无穷大。
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在'''[[图论 Graph Theory]]'''的数学领域定义中,图中两个顶点之间的距离是'''最短路径 Shortest Path'''(也称为'''<font color="#ff8000">图测地线 Graph Geodesic</font>''')中连接它们的边的数目。这也被称为'''<font color="#ff8000">测地距离 Geodesic Distance</font>'''。<ref>{{cite journal |last=Bouttier  |first=Jérémie |author2=Di Francesco,P. |author3=Guitter, E. |date=July 2003|title=Geodesic distance in planar graphs |journal= Nuclear Physics B|volume=663 |issue=3 |pages=535–567 |quote=By distance we mean here geodesic distance along the graph, namely the length of any shortest path between say two given faces|doi=10.1016/S0550-3213(03)00355-9|arxiv=cond-mat/0303272 }}</ref>但,两个顶点之间可能有不止一条最短路径。<ref>{{cite web |url=http://mathworld.wolfram.com/GraphGeodesic.html |title=Graph Geodesic |accessdate= 2008-04-23|last=Weisstein |first=Eric W. |authorlink=Eric W. Weisstein |work=MathWorld--A Wolfram Web Resource |publisher= Wolfram Research|quote=The length of the graph geodesic between these points d(u,v) is called the graph distance between u and v }}</ref>一般地,如果两个顶点间没有路径连接,也就是说,如果它们属于不同的'''<font color="#ff8000">连通分支 Connected Components</font>''',那么这两点间的距离就被定义为无穷大。
     
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