English

Motion planning with pull moves

Computational Complexity 2010-08-18 v1

Abstract

It is well known that Sokoban is PSPACE-complete (Culberson 1998) and several of its variants are NP-hard (Demaine et al. 2003). In this paper we prove the NP-hardness of some variants of Sokoban where the warehouse keeper can only pull boxes.

Cite

@article{arxiv.1008.2952,
  title  = {Motion planning with pull moves},
  author = {Marcus Ritt},
  journal= {arXiv preprint arXiv:1008.2952},
  year   = {2010}
}

Comments

9 pages, 7 figures

R2 v1 2026-06-21T16:02:04.102Z