# SPAR: Search-trained Push Action Ranker Improves Navigation Efficiency Among Movable Obstacles

- Source: arXiv cs.RO
- Published: 2026-10-21T04:00:00.000Z
- RoboHot: https://robohot.news/en/items/zdv8f7g548ub4unccvzj1640i
- Original: https://arxiv.org/abs/2610.28362

## Summary

The paper proposes SPAR (Search-trained Push Action Ranker), which learns to rank push primitives from simulated search results to alleviate the exponential growth of candidate action sequences with sequence length in Navigation Among Movable Obstacles (NAMO).