2 papers
cs.IT2024
Equations for the overlaps of a SIC
Len Bos, Shayne Waldron
We give a holomorphic quartic polynomial in the overlap variables whose zeros on the torus are precisely the Weyl-Heisenberg SICs (symmetric informationally complete positive opera…
math.ST2023
A Characterization of Optimal Prediction Measures via Minimization
Len Bos
Suppose that $K\subset\C$ is compact and that $z_0\in\C\backslash K$ is an external point. An optimal prediction measure for regression by polynomials of degree at most is one…