Expected Number of Zeros of a Random Trigonometric Polynomial

ABSTRACT

The asymptotic estimates of the expected number of real zeros of the polynomial  i.e.  where gj(j=1,2,…..n) is a sequence of independent normally distributed random variables is such a number. The  expected number of zeros of the above polynomial with coefficients gj(w), j=1,2,…..n in be a sequence of independent random variables defined on probability space , each normally distributed with mean zero and variance one, then for all sufficiently large n the variance of the number of real zeros of T(θ)  is equal to

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Updated: June 26, 2023 — 3:13 am