The n-determined product conjecture for generically stable measures

Let TT be an mm-distal theory, and let n>m>0n>m>0. For global generically stable measures μ0(x0),,μn1(xn1)\mu_0(x_0),\ldots,\mu_{n-1}(x_{n-1}), write

μ:=μ1μn1.\mu:=\mu_1\otimes\ldots\otimes\mu_{n-1}.

A tuple of measures is mm-determined when its product is determined by the Boolean algebra of formulas involving at most mm of the variables. The n-determined product conjecture. The product μ\mu is mm-determined. This would extend the stated type-theoretic determinacy phenomenon to generically stable Keisler measures and connect mm-distality with hypergraph regularity; the source does not indicate whether the conjecture is resolved.

Sources & referencesView supporting material

Primary source

Artem Chernikov and Francis Westhead, “On n-distality, n-triviality and hypergraph regularity in NIP theories”, arXiv:2605.04714 (2026).

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