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math.CA2026
A set of points on the sphere with small Riesz energy
Stefan Steinerberger
We construct a set of points such that $$ \sum_{i \neq j} \frac{1}{\|x_i - x_j\|^2} \leq \frac{n^2 \log{n}}{4} + cn^2 + O(n^{1…
math.CA2025
Greedy Matching in Optimal Transport with concave cost
Andrea Ottolini, Stefan Steinerberger
We consider the optimal transport problem between a set of red points and a set of blue points subject to a concave cost function such as for $0< p <…