- December 3, 2004; 10:00 am; room NCNII C-356; Bahman Kalantari; Bounds on Zeros of Polynomials and their Applications.
- December 1, 2004; 10:00 am; room NCNII A-123; Bahman Kalantari; Iteration Functions for Polynomial Root-Finding.
- November 12, 2004; 10:00 am; room NCNII C-356; Scott Sisson; Automating Model Selection for Capture-Recapture Analyses.
- October 29, 2004; 10:00 am; room NCNII C-356; Pablo V. Negrón; La solución numérica de sistemas polinomiales.
- October 22, 2004; 10:00 am; room NCNII C-356; Durrell D. Kapan; The Three-butterfly problem: Diversity with Müller’s model of mimicry.
- October 15, 2004; 10:00 am; room NCNII C-356; Raúl Figueroa; Planos de semifields.
- October 8, 2004; 10:00 am; room NCNII C-356; Guihua Gong; Introduction to noncommutative topology.
- October 1, 2004; 10:00 am; room NCNII C-356; Enric Pérez Obiol; Plataformas multimedia en la enseñanza a distancia.
- September 10, 2004; 10:00 am; room NCNII C-356; Mariano Marcano; Mathematical modeling and inverse problem for the urine concentrating mechanism.
- September 3, 2004; 10:00 am; room NCNII C-356; Jorge Punchín and Luis R. Pericchi; Guidance about the Ph.D. and M.S. Programs in Mathematics.
- August 27, 2004; 10:00 am; room NCNII C-356; José La Luz; Números de Campos Vectoriales en la Esfera.
- April 30, 2004; 9:00 am; room NCNII C-356; Jacqueline L. Robinson; Opportunities of funding mathematical research by the National Security Agency.
- April 21, 2004; 11:30 am; room NCNII A-209; María M. Franco; Una conjetura sobre Existencia de Soluciones para una clase de Problemas Elípticos Semilineales.
- April 21, 2004; 9:00 am; room NCNII A231; Alexander Rosa; Colouring Steiner Systems.
- April 16, 2004; 9:00 am; room NCNII C-356; Alexander Rosa; Extended Petersen Graphs.
- April 2, 2004; 9:00 am; room NCNII C-356; José La Luz; The Bousfield-Kan Spectral Sequence for Morava K-Theory.
- March 31, 2004; 11:00 am; room NCNII C-356; Dobrin Marchev; Monte Carlo Methods for Posterior Distributions Associated with Multivariate Student’s t Data.
- March 26, 2004; 9:00 am; room NCNII C-356; Mircea Martin; Integral and Maximal Operators in Spin Geometry.
- March 19, 2004; 9:00 am; room NCNII C-356; Gabriela Bulancea; A Sequence Algebra Related to H∞.
- March 12, 2004; 9:00 am; room NCNII C-356; María-Eglée Pérez (Simón Bolívar University); Statistics and Life Sciences: a history of collaboration.
- March 12, 2004; 10:30 am; room NCNII C-356; Chunwei Song; Permutation paths and m-schroder paths: new topics of lattice path combinatorics.
- March 5, 2004; 9:00 am; room NCNII C-356; Luis R. Pericchi ( Departamento de Matemíticas, UPR-Río Piedras); Bayes factors, Posterior Model Probabilities Applied to Microarrays data apply to Bioinformatics.
- February 11, 2004; 10:30 am; room NCNII C-356; Pablo Salzberg (Departamento de Matemíticas, UPR-Río Piedras); El espacio generador minimal de un polinomio.
- January 28, 2004; 10:30 am; room NCNII C-356; Silviu Teleman (Departamento de Matemíticas, UPR-Río Piedras); The Stone-Weierstrass theorem.