2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/192645We prove that the spectrum of the regularized M5-brane in D=11 target space is discrete with eigenvalues extending to infinity. The proof includes the same result for the spectra of regularized bosonic p-branes in general.13 pages, no figures. References have been added, typos corrected, formulae have been simplified and proof of main claim has been improvedHigh Energy Physics - Theorytext