Matching Tag: noise-stability
Let n ≥ 2 n\geq2 n ≥ 2 , let ρ ∈ [ − 1 , 1 ] \rho\in[-1,1] ρ ∈ [ − 1 , 1 ] , and let 3 ≤ k ≤ n + 1 3\leq k\leq n+1 3 ≤ k ≤ n + 1 . Let { A i } i = 1 k \{A_i\}_{i=1}^k { A i } i = 1 k be a measurable partition of R n \mathbb{R}^n R n , meaning that ⋃ i = 1 k A i = R n \bigcup_{i=1}^k A_i=\mathbb{R}^n ⋃ i = 1 k A i = R n and…
Let m ≥ 3 m\geq 3 m ≥ 3 and 0 < ρ < 1 0<\rho<1 0 < ρ < 1 . Consider two measurable partitions Ω 1 , … , Ω m \Omega_1,\ldots,\Omega_m Ω 1 , … , Ω m and Ω 1 ′ , … , Ω m ′ \Omega'_1,\ldots,\Omega'_m Ω 1 ′ , … , Ω m ′ of R n + 1 \mathbb{R}^{n+1} R n + 1 with…
Let m ≥ 2 m\geq 2 m ≥ 2 , let ρ ∈ [ 0 , 1 ] \rho\in[0,1] ρ ∈ [ 0 , 1 ] , and let ε > 0 \varepsilon>0 ε > 0 . For a function f : { 1 , … , m } n → Δ m f:\{1,\ldots,m\}^n\to\Delta_m f : { 1 , … , m } n → Δ m , write Inf i ( f j ) \operatorname{Inf}_i(f_j) Inf i ( f j ) for the influence of coordinate i i i on…
Plurality is Stablest conjecture. If ρ ≥ 0 \rho\geq0 ρ ≥ 0 and E f = 1 k ∑ j = 1 k e j \mathbb{E}f=\frac1k\sum_{j=1}^{k}e_j E f = k 1 ∑ j = 1 k e j , then
Let 0 ≤ ρ ≤ 1 0\leq\rho\leq1 0 ≤ ρ ≤ 1 and let q ≥ 2 q\geq2 q ≥ 2 be an integer. For f : [ q ] n → [ 0 , 1 ] f:[q]^n\to[0,1] f : [ q ] n → [ 0 , 1 ] , let S ρ ( f ) \mathbb{S}_\rho(f) S ρ ( f ) denote its noise stability and let I n f i ( f ) \mathrm{Inf}_i(f) Inf i ( f ) denote the influence of…
For q ≥ 1 q\geq 1 q ≥ 1 , let ln q : ( 0 , + ∞ ) → R \ln_q:(0,+\infty)\to\mathbb{R} ln q : ( 0 , + ∞ ) → R be the q q q -logarithm … and define Φ q s y m ( t ) = t ln q ( t ) + ( 1 − t ) ln q ( 1 − t ) \Phi_q^{\mathrm{sym}}(t)=t\ln_q(t)+(1-t)\ln_q(1-t) Φ q sym ( t ) = t ln q ( t ) + ( 1 − t ) ln q ( 1 − t ) and the associated symmetric q q q -stabilit…
Vector-valued Borell inequality. If 0 < ρ < 1 0<\rho<1 0 < ρ < 1 and
Let ρ ∈ ( 0 , 1 ) \rho\in(0,1) ρ ∈ ( 0 , 1 ) and n ≥ k ! + k − 1 n\geq k!+k-1 n ≥ k ! + k − 1 . Consider partitions Ω 1 , … , Ω k \Omega_1,\ldots,\Omega_k Ω 1 , … , Ω k of R n \mathbb{R}^n R n with Gaussian measure γ n ( Ω i ) = 1 / k \gamma_n(\Omega_i)=1/k γ n ( Ω i ) = 1/ k that maximize the ranked-choi…
Let S k S_k S k be the set of rankings of k k k candidates, and let f : S k n → Δ k f\colon S_k^n\to\Delta_k f : S k n → Δ k be a ranked-choice voting method, where Δ k \Delta_k Δ k is the simplex of randomized outcomes on t…
Let n n n be large, let k ≥ 3 k\geq 3 k ≥ 3 be the number of candidates, and let voters cast independent uniformly random votes. A voting method is balanced when each candidate has equal proba…
Let C n = { − 1 , 1 } n \mathcal{C}_n=\{-1,1\}^n C n = { − 1 , 1 } n be the Boolean hypercube, let X X X be uniformly distributed on C n \mathcal{C}_n C n , and let N X , ρ \mathcal{N}_{X,\rho} N X , ρ denote the corresponding noisy version…
Let ρ \rho ρ satisfy 0 ≤ ρ ≤ 1 0\leq\rho\leq1 0 ≤ ρ ≤ 1 , let b 1 ∈ [ 1 , 9 ] b1\in[1,9] b 1 ∈ [ 1 , 9 ] , and let M a x S t a b α ( 1 / 2 ) \mathbf{MaxStab}_{\alpha}(1/2) MaxStab α ( 1/2 ) denote the maximal asymmetric b 1 b1 b 1 -stability at mean 1 / 2 1/2 1/2 . A dictator function is a…
Let m ≥ 3 m\geq3 m ≥ 3 , let 0 < ρ < 1 0<\rho<1 0 < ρ < 1 , and let ( Ω i ) i = 1 m (\Omega_i)_{i=1}^m ( Ω i ) i = 1 m and ( Ω i ′ ) i = 1 m (\Omega_i')_{i=1}^m ( Ω i ′ ) i = 1 m minimize the bilinear Gaussian noise-stability problem with equal prescribed measures, under th…
Let f : { − 1 , 1 } n → { − 1 , 1 } f\colon\{-1,1\}^{n}\rightarrow\{-1,1\} f : { − 1 , 1 } n → { − 1 , 1 } be a linear threshold function, with n n n odd. For ρ ∈ [ 0 , 1 ] \rho\in[0,1] ρ ∈ [ 0 , 1 ] , let Stab ρ [ f ] \operatorname{Stab}_{\rho}[f] Stab ρ [ f ] denote the noise stability of f f f …
Quadratic Symmetric Gaussian Problem. Either B ( 0 , r a ) B(0,r_a) B ( 0 , r a ) or B ( 0 , r a ′ ) c B(0,r_a')^c B ( 0 , r a ′ ) c achieves
Symmetric Gaussian Problem. If ρ > 0 \rho>0 ρ > 0 , then either ( B ( 0 , r a ) , B ( 0 , r b ) c ) (B(0,r_a),B(0,r_b)^c) ( B ( 0 , r a ) , B ( 0 , r b ) c ) or ( B ( 0 , r a ′ ) c , B ( 0 , r b ′ ) ) (B(0,r_a')^c,B(0,r_b')) ( B ( 0 , r a ′ ) c , B ( 0 , r b ′ )) achieves
The perturbed-metric conjecture. For every 0 < s < 1 0<s<1 0 < s < 1 , there exist constants C s , c s > 0 C_s,c_s>0 C s , c s > 0 such that, whenever ε ( A ) < e − 1 / ρ \varepsilon(A)<e^{-1/\rho} ε ( A ) < e − 1/ ρ ,