Abstract
Consider a system $f_1(x)=0,łdots,f_n(x)=0$ of $n$ random real polynomials
in $n$ variables, where each $f_i$ has a prescribed set of terms described by a
set $AN^n$ of cardinality $t$. Assuming that the
coefficients of the $f_i$ are independent Gaussians of any variance, we prove
that the expected number of zeros of the random system in the positive orthant
is bounded from above by $2tn$.
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