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左耳CC

新虫 (初入文坛)

[求助] 图论中图的运算有哪些? 已有2人参与

图论中,两个有向图之间的运算有哪些?

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左耳CC

新虫 (初入文坛)

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1楼: Originally posted by 左耳CC at 2016-09-11 22:46:45
图论中,两个有向图之间的运算有哪些?
laosam280

除了笛卡尔积,字典式积,强积以外的运算

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2楼2016-09-11 22:49:24
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snowwhite1

木虫 (小有名气)

【答案】应助回帖

感谢参与,应助指数 +1
计算各节点的度数;判断是否构成欧拉图、汉密尔顿图;计算任意两节点间的最短距离;求图的着色数;是否构成偶图(二部图),若是,求最大匹配等
奋斗
3楼2016-09-13 05:19:26
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FMStation

至尊木虫 (知名作家)

【答案】应助回帖

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感谢参与,应助指数 +1
左耳CC: 金币+8, ★★★★★最佳答案 2016-10-05 21:09:02
https://en.wikipedia.org/wiki/Graph_operations
Graph operations

o Unary operations

o Elementary operations

o Advanced operations

transpose graph;
complement graph;
line graph;
graph minor;
graph rewriting;
power of graph;
dual graph;
medial graph;
Y-Δ transform;
Mycielskian.

o Binary operations
graph union: G1 ∪ G2 = (V1 ∪ V2, E1 ∪ E2)
graph intersection: G1 ∩ G2 = (V1 ∩ V2, E1 ∩ E2)
graph join

graph products based on the cartesian product of the vertex sets:
cartesian graph product
lexicographic graph product
strong graph product
tensor graph product
zig-zag graph product

graph product based on other products:
rooted graph product
corona graph product

series-parallel graph composition:
parallel graph composition
series graph composition
source graph composition

Hajós construction.
4楼2016-09-13 10:12:18
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