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Results tagged with extremal-graph-theory
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user 128269
Study of graphs satisfying a property that are maximal or minimal with respect to some parameter. A classic example is Turán's Theorem, which exactly characterizes the densest graphs on $n$ vertices without a $K_t$ subgraph.
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Blocking directed paths on a DAG with a linear number of vertex defects
Let $G=(V,E)$ be a directed acyclic graph.
Define the set of all directed paths in $G$ by $\Gamma$.
Given a subset $W\subseteq V$, let
$\Gamma_W\subseteq \Gamma$ be the set of all paths in $\Gamma$ su …
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