For random cosine polynomials with palindromic coefficient blocks of length ℓ, the expected number of real zeros equals (2n/√3)Kℓ + O(n^{2/3}), with an explicit double-integral constant Kℓ.
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Real zeros of random cosine polynomials with palindromic blocks of coefficients
For random cosine polynomials with palindromic coefficient blocks of length ℓ, the expected number of real zeros equals (2n/√3)Kℓ + O(n^{2/3}), with an explicit double-integral constant Kℓ.