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The category of Brouwer operations: a basis for an understanding of choice sequences
20180123

Speaker: Martin Hyland (Univ. of Cambridge, UK)

Intuitionism as first proposed by the Dutch mathematician L. E. J. Brouwer involved not simply the wellknown refusal of the law of the excluded middle but a notion, that of free choice sequence which is prima facie incompatible with classical mathematics. The theory of choice sequences uses what...



2Representations of dihedral and trihedral Soergel bimodules
20180123

Speaker: Marco Mackaay (Univ. Algarve)

2Representation theory of monoidal categories is the categorical analogue of representation theory of algebras. In my talk, I will discuss the 2representation theory of (sub)quotients of the monoidal categories of Soergel bimodules of affine type A1 and A2, which are closely related to the...



From Brauer trees to surface algebras
20180124

Speaker: Karin Erdmann (Univ. of Oxford, UK)

We describe algebras constructed from graphs, and from surface triangulations, starting with Brauer tree algebras. We discuss how J. A. Green's walk around the Brauer tree generalizes....



Application of data mining to structural biology
20180207

Speaker: Irina S. Moreira (Center for Neuroscience and Cell Biology, Univ. Coimbra)

Contrary to the reductionist approach aimed at understanding individual components, the new data revolution allows the understanding of complicated interactions and pathways through the use of statistical Data Mining (DM). This is an active area of research in mathematic/computer science with the...



On basic FourierBessel expansions. Some related issues.
20180209

Speaker: José Luis Cardoso (CMUTAD)

We will present a summary of the latest developments with respect to expansions involving the Third Jackson qBessel function (or, HahnExton qBessel function), with special emphasis regarding Fourier expansions related to some basic functions which are qanalogues of the...


