Proyectos Fondecyt: Rafael Benguria: A STUDY OF SOME NOLINEAR PARTIAL DIFFERENTIAL EQUATIONS ARISING FROM MATHEMATICAL PHYSICS. 2002 (Fondecyt 1020844) Carmen Cortázar: BLOW-UP AND RELATED PROBLEMS FOR NONLINEAR REACTION DIFFUSION EQUATIONS 2003 (Fondecyt 1030798) Martin Chuaqui: THE SCHWARZIAN DERIVATIVE FOR HARMONIC MAPPINGS 2004 (Fondecyt 1030589) Manuel del Pino: 2003 CONCENTRATION PHENOMENA IN NONLINEAR ELLIPTIC PROBLEMS.(Fondecyt 1030840) Patricio Felmer: NONLINEAR ELLIPTIC EQUATIONS: SINGULAR PERTURBATIONS AND OTHER TOPICS. 2003 (Fondecyt 1030929) Marta García-Huidobro: ON PROPERTIES OF SOLUTIONS TO NONLINEAR DIFFERENTIAL EQUATIONS AND SYSTEMS INVOLVING VECTOR P-LAPLACIAN TYPE OPERATORS.2003 (Fondecyt 1030593) Raúl Manasevich: ESTUDIO DE MODELOS MATEMATICOS DE AGREGACION PROVENIENTES DE LA FISICA Y BIOLOGIA (patrocinante, Fondecyt 3040059) Raúl Manasevich: CENTRO DE MODELAMIENTO MATEMATICO, Pr. # 15000001) Mónica Musso: CONCENTRATION PHENOMENA AT THE CRITICAL EXPONENT AND BIFURCATION IN SEMI-RIEMANNIAN 2004 (Fondecyt 1040936) Cecilia Yarur: SOME PROBLEMS FOR QUASILINEAR ELLIPTIC AND PARABOLIC EQUATIONS 2003 (Fondecyt 1030666)