MS#90. A bridge between Whitney's fold and cusp points and the critical curves LC-1 and LC in two-dimensional endomorphisms, 1996 With Laura Gardini and Gian-Italo Bischi (Urbino). Preprint Subjects: Discrete dynamics, bifurcation theory Written: August 1, 1996 Abstract: The method of critical curves of Gumowski and Mira and the method of singularities of Whitney are bridged in this work. [PDF] 17 pages, 1.1 MB Last revised by Ralph Abraham