Littlewood Polynomials, Spectral-Null Codes, and Equipowerful Partitions

Joe Buhler, Shahar Golan, Rob Pratt +1

Let $[n]$ denote $\{0,1,...,n-1\}$. A polynomial $f(x)=\sum a_i{x}^i$ is a Littlewood polynomial (LP) of length $n$ if the $a_i$ are $\pm 1$ for $i\in [n]$, and $a_i=0$ for…