Projection onto the cosparse set is NP-hard

Andreas M. Tillmann, Rémi Gribonval, Marc E. Pfetsch. Projection onto the cosparse set is NP-hard. In IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2014, Florence, Italy, May 4-9, 2014. pages 7148-7152, IEEE, 2014. [doi]

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