Characterization theorem for best polynomial spline approximation with free knots, variable degree and fixed tails
- Crouzeix, Jean-Pierre, Sukhorukova, Nadezda, Ugon, Julien
- Sukhorukova, Nadezda, Ugon, Julien
Nonsmooth optimization algorithm for solving clusterwise linear regression problems
- Bagirov, Adil, Ugon, Julien, Mirzayeva, Hijran
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