6 citations · 9 across the 8 of their papers we have counts for
Showing 2025Show all
2 papers · 1 filter
math.OC2025
Exact algorithms for quadratic optimization over roots of unity
Ahmad Al-Sulami, Hamza Fawzi, Shengding Sun
We consider the problem of optimizing a multivariate quadratic function where each decision variable is constrained to be a complex 'th root of unity. Such problems have applica…
math.FA2025
Matrix Fejér-Riesz type theorem for a union of an interval and a point
Shengding Sun, Aljaž Zalar
The matrix Fejér-Riesz theorem characterizes positive semidefinite matrix polynomials on the real line. In the previous work of the second-named author this was extended to the cha…