Currently we support $\ellq$ fusion penalties for $q = 1, 2$ only. It should be direct to add support for the $q = \infty$ case (i.e., implement the $\ell{\infty}$ prox) using the projection method of Duchi et al. (https://stanford.edu/~jduchi/projects/DuchiShSiCh08.html)
Currently we support $\ellq$ fusion penalties for $q = 1, 2$ only. It should be direct to add support for the $q = \infty$ case (i.e., implement the $\ell{\infty}$ prox) using the projection method of Duchi et al. (https://stanford.edu/~jduchi/projects/DuchiShSiCh08.html)