En los siguientes enlaces encontrará las cartas al estudiante:
Escuela de Matemática, Universidad de Costa Rica
Centro de Investigaciones Matemáticas y Meta-matemáticas, CIMM
Ciudad Universitaria Rodrigo Facio
San José 11501, Costa Rica
Ronald completed the Doutor Degree (Doctor's Degree) in Mathematics, under the supervision of Peter B. Gothen, at Universidade do Porto, on February 27th, 2015, having been Approved with Distinction, Doctor's Degree awarded in the Doctoral Program in association with Universidade de Coimbra. Since then, Ronald has held a Guest--Professor position at the Escuela de Matemática de la Universidad de Costa Rica. Ronald is also member of CIMM, Centro de Investigaciones Matemáticas y Meta-matemáticas.
His mathematical interests include Algebra, Algebraic Geometry, Algebraic Topology, Differential Geometry, Differential Topology, Geometric Invariant Theory GIT, Geometry, Higgs Bundles, Hitchin Pairs, Lie Theory, Moduli Spaces, Non-Commutative Geometry, Physics, Representation Theory, Symplectic Geometry, Topology, among others.
Sir Michael Atiyah and Ronald A. Zúñiga-Rojas at Atiyah's Conferece: "The index theory of Fredholm operators" that took place at Universidade de Coimbra, on the April 6th, 2011.