2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/49565A summary is presented of the more theoretical aspects of the presentations made at Hyperon~99. In addition, some material is covered which was not presented at the symposium but which I feel is pertinent to the main theme of hyperons and/or, more in particular, to discussions conducted during the symposium.Presented at Hyperon99 Symposium, Fermilab, Batavia, Sept. 27-29, 1999; 10 pages; uses hyperon99_paper.sty and setup.sty (included); and the following standard LaTeX packages: acromake, axodraw, cite, epsf, topcapt (not included); 1 eps figure file (using epsf)High Energy Physics - PhenomenologyTheory Summary Talktext