By Pedro Pinto (Technische Universitat Darmstadt).

We wish to investigate circumstances where the solutions of (naturally given) ordinary differential equations have integer coefficients.

We start from Zagier's paper "Arithmetic and Topology of Differential Equations" and try to understand some of its features. We will then look at various examples (Apéry's recursion, hypergeometric equation,...).

David García-García defende a tese "Schur Averages in Random Matrix Ensembles".

Por Alexandre Tavares Baraviera (Universidade Federal do Rio Grande do Sul).

Por Pedro Freitas (DHFC - Ciências ULisboa e CIUHCT - ULisboa).

Por Gonçalo Oliveira (Universidade Federal Fluminense - UFF).

By Sean Lawton (George Mason Univ.)

Isabel José Capelo Ferreira Nobre defende a dissertação "Formações e classes de Fitting".

Por Gabrielle Nornberg (University of São Paulo and Sapienza Università di Roma).

Por Ederson Moreira dos Santos (Universidade de São Paulo - São Carlos - Brazil).