Abstract
Once-subtracted dispersion relations are written for the amplitudes of the nonleptonic decays of hyperons. The subtraction constants are given by equal-time commutators and, after the low-mass baryon intermediate states are separated, the remaining dispersion integrals over higher-mass resonances are evaluated in the framework of the Regge theory. A four-parameter best-fit solution to both the $s$- and $p$-wave amplitudes is found to be in very good agreement with experiment.
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