2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/152369It is shown that theories already presented as rigorous mathematical formalizations of widespread manipulations of Dirac's delta function are all unsatisfactory, and a new alternative is proposed.19 pages, plain TeX, no figuresFunctional AnalysisHigh Energy Physics - TheoryQuantum Physicstext