Classification conjecture for equal determinants of colored paths

Let PP) and QQ be two colored paths on mm vertices with concentration matrices KPK_P and KQK_Q satisfying

det(KP)=det(KQ).\det(K_P)=\det(K_Q).

A reflection of a colored path is the path obtained by reversing its vertex order. Colored-path determinant conjecture. If mm is even, then one of the following holds: QQ is identical to PP; QQ is a reflection of PP; or PP and QQ satisfy the color configuration stated in the even-path theorem, or a reflection of that configuration. If mm is odd, then one of the following holds: QQ is identical to PP; QQ is a reflection of PP; or PP and QQ satisfy the color configuration stated in the odd-path theorem, or a reflection of that configuration. The claim is presented as an unresolved conjecture based on the necessary color-multiset conditions proved earlier.

Sources & referencesView supporting material

Primary source

Hannah Göbel and Pratik Misra, “Linear relations of colored Gaussian cycles”, arXiv:2506.23936 (2025).

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