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Project-declaredLean 4.33.0-rc1

Multi Tau min sum le

multiTau_min_sum_le

Plain-language statement

If (Xi)1im(X_i)_{1 \leq i \leq m} is a τ\tau-minimizer, then i=1md[Xi;X0]2mηd[X0;X0]\sum_{i=1}^m d[X_i; X^0] \leq \frac{2m}{\eta} d[X^0; X^0].

additive combinatoricsentropyprobability

Source project: Polynomial Freiman-Ruzsa project

Person-level attribution pending.

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Project-declaredLean 4.33.0-rc1

Sub cond Multi Distance le

sub_condMultiDistance_le

Project documentation

If (Xi)1im(X_i)_{1 \leq i \leq m} is a τ\tau-minimizer, and k:=D[(Xi)1im]k := D[(X_i)_{1 \leq i \leq m}], then for any other tuples (Xi)1im(X'_i)_{1 \leq i \leq m} and (Yi)1im(Y_i)_{1 \leq i \leq m} with the XiX'_i G$-valued, one has kD[(Xi)1im(Yi)1im]ηi=1md[Xi;XiYi]. k - D[(X'_i)_{1 \leq i \leq m} | (Y_i)_{1 \leq i \leq m}] \leq \eta \sum_{i=1}^m d[X_i; X'_i|Y_i].

additive combinatoricsentropyprobability

Source project: Polynomial Freiman-Ruzsa project

Person-level attribution pending.

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