Linear-Time FPT Algorithms via Network Flow

  title={Linear-Time FPT Algorithms via Network Flow},
  author={Yoichi Iwata and Keigo Oka and Yuichi Yoshida},
In the area of parameterized complexity, to cope with NP-Hard problems, we introduce a parameter k besides the input size n, and we aim to design algorithms (called FPT algorithms) that run in O(f(k)n) time for some function f(k) and constant d. Though FPT algorithms have been successfully designed for many problems, typically they are not sufficiently fast because of huge f(k) and d. In this paper, we give FPT algorithms with small f(k) and d for many important problems including Odd Cycle… CONTINUE READING
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