Seminars

I will talk about the dynamics that arise in the unfolding of nilpotent singularities, with emphasi

A hypermaps is, in its topological form, a cellular embedding of a connected hypergraph on a compact

(Join work with Pedro Silva) We show that the word problem for an amalgam [S1, S2; U, ω1, ω2] of i

A numerical semigroup is a co-finite submonoid of the non-negative integers under addition In the fr

Given a group G grading a k-linear category \mathcal{C}, a Galois covering of \mathcal{C} has been a

Discutiremos algumas questoes relativas a regularidade da medida harmonica para subgrupos como acima

Finite automata became over the years the standard representation of finitely generated subgroups $H

Let R be a ring with identity. By a central ideal of R we mean an ideal of R which can be generated

Anexo

We consider rings whose injective hulls of simple modules are locally Artinian. After a brief discus

The Value-at-Risk (VaR) forecasting ability of Filtered Historical Simulation (FHS) is assessed usin

Anexo

Given a measurable space X with a probability measure which is invariant by a dynamics T: X -->…

Na teoria dos monóides inversos e bem conhecida a importância do papel dos monóides inversos pró

The Hodrick-Prescott (HP) method was originally developed for the smoothing of time series, i.e. to

Anexo