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comment What is the correct statement of this Erdös-Gallai-Tuza problem generalizing Turan's triangle theorem?
@darijgrinberg: Thanks for your comments! Point taken regarding (1). As far as Lemma 2.1 goes, nothing is really gained by allowing S to be empty or to be all of V(G) (this only yields f_1(G) <= f_1(G) ). It seems a hair simpler to just keep the same hypothesis as Corollary 2.2, where the condition really is needed.
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answered What is the correct statement of this Erdös-Gallai-Tuza problem generalizing Turan's triangle theorem?
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