Recap and Definitions
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چکیده
This lecture covers the proof of the Bessy-Thomassé Theorem, formerly known as the Gallai Conjecture. Also, we discuss the cyclic stable set polytope, and show that it is totally dual integral (TDI) (see lecture 5 for more on TDI systems of inequalities). In this section we provide a brief recap of some definitions we saw in the previous lecture. Also we answer a question that remained unanswered in the previous lecture regarding the polynomiality of finding a valid ordering given any strongly connected directed graph. For a strongly connected digraph D = (V, A), with |V | = n, we make the following definitions.
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تاریخ انتشار 2004