Search Results for author: Ryuhei Uehara

Found 2 papers, 0 papers with code

Shortest Reconfiguration Sequence for Sliding Tokens on Spiders

no code implementations21 Jun 2018 Duc A. Hoang, Amanj Khorramian, Ryuhei Uehara

The Sliding Token problem is to determine whether there exists a sequence of independent sets which transforms $I$ into $J$ so that each independent set in the sequence results from the previous one by sliding exactly one token along an edge in the graph.

Data Structures and Algorithms Discrete Mathematics Combinatorics

The complexity of UNO

no code implementations15 Mar 2010 Erik D. Demaine, Martin L. Demaine, Nicholas J. A. Harvey, Ryuhei Uehara, Takeaki Uno, Yushi Uno

This paper investigates the popular card game UNO from the viewpoint of algorithmic combinatorial game theory.

Discrete Mathematics Computational Complexity G.2; F.1

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