2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/223869We consider spectral minimal partitions. Continuing work of the the present authors about problems for planar domains, [23], we focus on the sphere and obtain a sharp result for 3-partitions which is related to questions from harmonic analysis, in particular to a conjecture of Bishop.Spectral TheoryAnalysis of PDEs35P30 ; 58J50text