Dana Ron, Rocco Servedio

A signed majority function is a linear threshold function $f : \{+1,1\}^n \to \{+1,1\}$ of the form

$f(x)={\rm sign}(\sum_{i=1}^n \sigma_i x_i)$ where each $\sigma_i \in \{+1,-1\}.$ Signed majority functions are a highly symmetrical subclass of the class of all linear threshold functions, which are functions of the form ${\rm ...
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