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Shinwoo An

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Jun 2026

Directed Low Diameter Decomposition for Structured Digraphs

This work shows that any directed graph with pathwidth $pw$ admits an $(O(\mathsf{pw}), \Delta)$-LDD, and improves upon the previous best-known $(2^{O(\mathsf{pw}^2)}, \Delta)$-LDD construction, which was implicitly derived from the quasipartition result of Salmasi, Sidiropoulos, and Sridhar [SODA'19].

Shinwoo An, Arnold Filtser · 1 citation