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[Seminário] On the Heun equation

Oradora: Galina Filipuk, Faculty of Mathematics, Informatics and Mechanics, University of Warsaw, Poland Título: On the Heun equation Data, hora e local: 9 de julho de 2021, às 14h, na plataforma Zoom no seguinte endereço https://videoconf-colibri.zoom.us/j/85998937178?pwd=ZUdIWm5IRFNEb0dTZDF6Z2x5U3l4Zz09 Resumo/Abstract: Heun equation is a Fuchsian equation with 4 singuarities. It appears in many areas of mathematical physics. It has a…

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What is… Ramsey theory?

Manuel Silva, Universidade Nova de Lisboa, Portugal 23 de Junho de 2021, 16 horas no endereço Zoom: https://videoconf-colibri.zoom.us/j/83030580321?pwd=Z3VLNjc0c3VXUHNqQWtLN1ZPaHY1QT09 ID: 830 3058 0321 | Palavra chave: xyz Resumo/Abstract: In 1928 Frank P. Ramsey, motivated by philosophical considerations, proved a theorem in his paper “On a problem of formal logic”. This result can be viewed as a…

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What is… a moduli space?

André Oliveira, CMUP & UTAD, Portugal 19 de maio de 2021, às 16h no endereço Zoom: https://videoconf-colibri.zoom.us/j/83030580321?pwd=Z3VLNjc0c3VXUHNqQWtLN1ZPaHY1QT09 ID: 830 3058 0321 | Palavra chave: xyz Resumo/Abstract: Mathematicians like to classify and organize mathematical objects, up to some fixed equivalence relation. Sometimes the objects in question do not admit continuous variations and so the classification is…