Structure As Search: Unsupervised Permutation Learning for Combinatorial Optimization

Fuente: arXiv
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Main Authors: Min, Yimeng, Gomes, Carla P.
Format: Preprint
Published: 2025
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author Min, Yimeng
Gomes, Carla P.
author_facet Min, Yimeng
Gomes, Carla P.
contents We propose a non-autoregressive framework for the Travelling Salesman Problem where solutions emerge directly from learned permutations, without requiring explicit search. By applying a similarity transformation to Hamiltonian cycles, the model learns to approximate permutation matrices via continuous relaxations. Our unsupervised approach achieves competitive performance against classical heuristics, demonstrating that the inherent structure of the problem can effectively guide combinatorial optimization without sequential decision-making. Our method offers concrete evidence that neural networks can directly capture and exploit combinatorial structure.
format Preprint
id arxiv_https___arxiv_org_abs_2507_04164
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Structure As Search: Unsupervised Permutation Learning for Combinatorial Optimization
Min, Yimeng
Gomes, Carla P.
Machine Learning
Artificial Intelligence
We propose a non-autoregressive framework for the Travelling Salesman Problem where solutions emerge directly from learned permutations, without requiring explicit search. By applying a similarity transformation to Hamiltonian cycles, the model learns to approximate permutation matrices via continuous relaxations. Our unsupervised approach achieves competitive performance against classical heuristics, demonstrating that the inherent structure of the problem can effectively guide combinatorial optimization without sequential decision-making. Our method offers concrete evidence that neural networks can directly capture and exploit combinatorial structure.
title Structure As Search: Unsupervised Permutation Learning for Combinatorial Optimization
topic Machine Learning
Artificial Intelligence
url https://arxiv.org/abs/2507.04164