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Partition Graph Challenging Question

I want to find in which of the following Graph, the edges cannot partitioned to triangles? Km,n,r means 3-Partite Complete Graph with m, n, and r sections. a) K7 b) K12 c) K3,3,3 d) K5,5,5 i ...
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How to Enumerate of all simple connected labeled graphs with prescribed degree sequence?

For v=4 vertices, there must be 7 possible graphic sequence (3,3,3,3)(3,3,2,2)(3,2,2,1)(3,1,1,1)(2,2,2,2)(2,2,1,1)(1,1,1,1). From (3,3,3,3), one simple graph(complete) can be found. From(3,3,2,2), 6 ...