A Simple Algorithm for Computing a Cycle Separator

Published 23 Sep 2017 in cs.CG and cs.DM | (1709.08122v2)

Abstract: We present a linear time algorithm for computing a cycle separator in a planar graph that is (arguably) simpler than previously known algorithms. Our algorithm builds on, and is somewhat similar to, previous algorithms for computing separators. The main new ingredient is a specific layered decomposition of the planar graph constructed differently from previous BFS-based layerings.

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