[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…

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…