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Questions related to graph reconstruction, the problem of reconstructing a graph from a set or deck (multiset) of subgraphs.

3 votes

Reconstruction Conjecture: are almost all digraphs reconstructible?

I'm thinking the answer is yes. In the undirected case, Bollobas proves that any 3 cards determine the graph. So given a random directed graph $D(n,p)$, ignore orientations and collapse the resulting …
heynongman's user avatar