2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47787The constraints on trilinear R parity violating couplings $λ'_{ijk}$ following from ({\em i}) the neutrino mass resulting due to the induced vacuum expectation value for the sneutrino and (ii) the charm squark interpretation for the HERA anomalous events are discussed in this talk.}LaTex, 6 pages, 3 figures. Talk presented at the International workshop on "Physics Beyond Standard Model: From Theory to Experiments", Valencia, Spain (October 13-17,1997), to appear in the ProceedingsHigh Energy Physics - Phenomenologytext