UNIFORM SUFFICIENT CONDITION FOR THE RECOVERY OF NON-STRICTLY BLOCK k-SPARSE SIGNALS BY WEIGHTED l2,p-αl2,q NONCONVEX MINIMIZATION METHOD

Wenhui Liu, Anhua Wan

Journal of Computational Mathematics . 2026, (4): 1013 -1048 . DOI: 10.4208/jcm.2505-m2024-0057