Welcome to my Webpage!
I am a Professor at Universidad Nacional de Colombia, in Bogotá (Mathematics Department) and a member of the Bogotá Logic Group.
My main subject of research is Mathematical Logic.
More precisely, I do research in Model Theory (Stability Theory in Abstract Elementary Classes), connections with Geometry (model theory of sheaves, model theory of modular invariants), connections with Set Theory, Infinitary Logic.
I also work in the Philosophy of Mathematics.
Click here to visit my mathstodon account.
Finally, I have done some art projects (with Roman Kossak, María Clara Cortés and Wanda Siedlecka and with Ana Ruiz.
Contact: avillavecesn at unal dot edu dot co
Address: Departamento de Matemáticas – Universidad Nacional – Bogotá – Colombia – Ciudad Universitaria – 111321 – Bogotá – Colombia – Tel: +57 601 3165000 ext 13209.