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math.OA2024
Duality, extreme points and hulls for noncommutative partial convexity
Igor Klep, Scott McCullough, Tea Štrekelj
This article studies generalizations of (matrix) convexity, including partial convexity and biconvexity, under the umbrella of -convexity. Here is a tuple of free symmetric…
math.FA2024
The complete Pick property for pairs of kernels and Shimorin's factorization
Scott McCullough, Georgios Tsikalas
Let be a pair of Hilbert function spaces with kernels . In a 2005 paper, Shimorin showed that a certain factorization condition on $(…