Neural Discovery of Permutation Subgroups

Pavan Karjol; Rohan Kashyap; Prathosh A P

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arXiv · 2309.05352

Neural Discovery of Permutation Subgroups

Pavan Karjol·Rohan Kashyap·Prathosh A P

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Abstract

We consider the problem of discovering subgroup $H$ of permutation group $S_{n}$. Unlike the traditional $H$-invariant networks wherein $H$ is assumed to be known, we present a method to discover the underlying subgroup, given that it satisfies certain conditions. Our results show that one could discover any subgroup of type $S_{k} (k \leq n)$ by learning an $S_{n}$-invariant function and a linear transformation. We also prove similar results for cyclic and dihedral subgroups. Finally, we provide a general theorem that can be extended to discover other subgroups of $S_{n}$. We also demonstrate the applicability of our results through numerical experiments on image-digit sum and symmetric polynomial regression tasks.

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Pavan Karjol, Rohan Kashyap, Prathosh A P. 2023-09-11. Neural Discovery of Permutation Subgroups. https://arxiv.org/abs/2309.05352

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