Conjecture on analytic rank and Schmidt rank over finite fields

Let qq be a prime power, let Fq\mathbb F_q be the finite field with qq elements, and let PP be a multilinear polynomial of degree dd. Write aFq(P)a_{\mathbb F_q}(P) for its analytic rank and rFq(P)r_{\mathbb F_q}(P) for its Schmidt rank. Analytic-rank comparison conjecture. For any d2d\geq 2, there exists ϵd>0\epsilon_d>0 such that

aFq(P)ϵdrFq(P).a_{\mathbb F_q}(P)\geq\epsilon_d r_{\mathbb F_q}(P).

This asks for a uniform linear lower bound relating analytic rank and Schmidt rank over finite fields. The supplied excerpt gives no resolution or partial results for this conjecture, so its general status remains open.

Sources & referencesView supporting material

Primary source

David Kazhdan and Tamar Ziegler, “Applications of Algebraic Combinatorics to Algebraic Geometry”, arXiv:2005.12542 (2021).

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