The University of Standford updated the list of the most cited scientists worldwide, at the top 2% of their respective areas. Once more, this list includes the NOVA Math researcher Marcos Raydan.The list is the result of a study coordinated…

Speaker: Benjamin Steinberg (City University of New York)Date/time: 06/06/2022 (Monday), at 14:00 (UTC+1)Zoom info:https://videoconf-colibri.zoom.us/j/83471440199Meeting ID: 834 7144 0199Title:  Factoring the Dedekind-Frobenius determinantAbstract:In 1875, Smith computed the determinant of the n x n matrix whose (i,j)-entry is gcd(i,j). This matrix is…

Speaker: Marcelo Aguiar (Cornell)Date/time: 09/05/2022 (Monday), at 14:00 (UTC+1)Zoom info:https://videoconf-colibri.zoom.us/j/83471440199Meeting ID: 834 7144 0199Title: Hopf-Lie theory relative to a hyperplane arrangementAbstract: The talk is based on recent and ongoing work with Swapneel Mahajan in which we introduce and develop a theory of…

Speaker: Persi Diaconis (Stanford University)Date/time: 02/05/2022 (Monday), at 14:00 (UTC+1)Zoom info:https://videoconf-colibri.zoom.us/j/83471440199Meeting ID: 834 7144 0199Title:  An introduction to random walks on semigroups and hyperplane arrangementsAbstract: This talk will be a 'sales pitch' for a rapidly growing part of combinatorial semigroup theory.…

Gracinda Guerreiro, CMA member, was elected as President of the Jury of Certification of Responsible Actuaries of the Autoridade de Supervisão de Seguros e Fundos de Pensões (ASF).

The CMA member João Araújo was one of the portuguese elected who stood out in their area internationally. More information available here