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math.OC2025
Exact Solutions for the NP-hard Wasserstein Barycenter Problem using a Doubly Nonnegative Relaxation and a Splitting Method
Woosuk L. Jung, Henry Wolkowicz
The so-called \emph{simplified} Wasserstein barycenter problem, also known as the cheapest hub problem, consists in selecting one point from each of given sets, each set consis…
math.OC2024
Single Element Error Correction/ in a Euclidean Distance Matrix
Abdo Alfakih, Woosuk L. Jung, Henry Wolkowicz +1
We consider the \emph{exact} error correction of a noisy Euclidean distance matrix, EDM, where the elements are the squared distances between points in . For our problem w…