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COLOGNETWENTE
2009
15 years 3 months ago
2009
Given a graph G = (V, E), a proper vertex colouring of V is t-frugal if no colour appears more than t times in any neighbourhood and is acyclic if each of the bipartite graphs con...
301
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Book
A well-written book about graph theory.
277
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Book
A classic book on graph theory.