The Geometry of Uniqueness, Sparsity and Clustering in Penalized Estimation

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Schneider, Ulrike [1 ]
Tardivel, Patrick [2 ,3 ]
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[1] Insitute of Statistics and Mathematical Methods in Economics, TU Wien, Vienna, Austria
[2] Institute of Mathematics, University of Wroclaw, Wroclaw, Poland
[3] Poland University of Burgundy, Dijon, France
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