A Modular-Form Framework for Global Optimality in the Asymmetric Traveling-Salesman Problem

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1. Verfasser: Gupta, Varsha
Format: Preprint
Veröffentlicht: 2024
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author Gupta, Varsha
author_facet Gupta, Varsha
contents In this paper, we develop an alternate formulation of Asymmetric Traveling Salesman Problem (ATSP). The equivalent problem is to find the zeros of a holomorphic cusp form on the principal congruence subgroup, $Γ(4) $. The resultant Poincar{é} series gives a cusp form whose interior zeros are in bijection with the arc that constitute optimal Hamiltonian cycle. We show that for any weight, $\ell$ and number of directed arcs, $|A|$ such that $4\ell-7<2|A| $, the holomorphic cusp form vanishes at global optimum. Furthermore, a three step filter consisting of Fourier coefficients, Hecke recursions and completed $L$-function parity test provides a scalar certificate for global optimality. The framework is a potential bridge between discrete optimization and number theory suggesting an alternate view on complexity theory.
format Preprint
id arxiv_https___arxiv_org_abs_2404_15546
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle A Modular-Form Framework for Global Optimality in the Asymmetric Traveling-Salesman Problem
Gupta, Varsha
Combinatorics
Optimization and Control
In this paper, we develop an alternate formulation of Asymmetric Traveling Salesman Problem (ATSP). The equivalent problem is to find the zeros of a holomorphic cusp form on the principal congruence subgroup, $Γ(4) $. The resultant Poincar{é} series gives a cusp form whose interior zeros are in bijection with the arc that constitute optimal Hamiltonian cycle. We show that for any weight, $\ell$ and number of directed arcs, $|A|$ such that $4\ell-7<2|A| $, the holomorphic cusp form vanishes at global optimum. Furthermore, a three step filter consisting of Fourier coefficients, Hecke recursions and completed $L$-function parity test provides a scalar certificate for global optimality. The framework is a potential bridge between discrete optimization and number theory suggesting an alternate view on complexity theory.
title A Modular-Form Framework for Global Optimality in the Asymmetric Traveling-Salesman Problem
topic Combinatorics
Optimization and Control
url https://arxiv.org/abs/2404.15546