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The obstruction conjecture for the expected dimension of path signature varieties
Obstruction conjecture. The variety $\mathcal{A}_{\nu,k}$ is defective if and only if there is a subsequence $\nu'=(\nu_i,\dots,\nu_{i+r})$ such that…
Conjectureopendimension-theory path-signature-varieties secant-varietiesarXiv posted 2 days ago

The obstruction conjecture for the expected dimension of path signature varieties