Centro de Matemática

output

20012022

most citedAutomated polyp detection in colon capsule endoscopy

306 citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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Showing 2019 · math.GRShow all

3 papers · 2 filters

math.GR2019★ 1 cited

Locally countable pseudovarieties

Jorge Almeida, Ondrej Klíma

The purpose of this paper is to contribute to the theory of profinite semigroups by considering the special class consisting of those all of whose finitely generated closed subsemi…

math.GR2019

Recognizing pro-R closures of regular languages

Jorge Almeida, José Carlos Costa, Marc Zeitoun

Given a regular language L, we effectively construct a unary semigroup that recognizes the topological closure of L in the free unary semigroup relative to the variety of unary sem…

math.GR2019

On the lattice of subgroups of a free group: complements and rank

Jordi Delgado, Pedro V. Silva

A $\lor$ -complement of a subgroup $H ⩽ F_{n}$ is a subgroup $K ⩽ F_{n}$ such that $H \lor K = F_{n}$ . If we also ask $K$ to have trivial inters…