191014K02 | Day 5 Lecture 1
191014K02: Day 5 Lecture 1
Work in progress.
Tournament Feedback Vertex Set (TFVS)
Input: A tournament T, w: V(T) \rightarrow \mathbb{N}.
Task: Find S \subseteq V(T) s.t T - S is acyclic & {\color{indianred}w(S):=\sum_{\sigma \in S} w(v)} is minimized.
Suppose:
|\text{OPT}| \geqslant n \cdot 0.6
