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Transcript
Noise-Sensitivity – Cont.
• Advantage: very efficiently testable (using
only two queries) by a perturbation-test.
• Def (perturbation-test): choose x~p, and
y~,p,x, check whether f(x)=f(y).
The success is proportional to the noisesensitivity of f.
2
• Prop:2 the
ns -noise-sensitivity
f =1   1    fis given
S  by
S
S
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