Some selected talks
Several talks in the following regular manifestations:
– The weekly seminar of ”Théorie des Fonctions et Théorie des Opérateurs”.
– Scientific Days organized by ” Réseau national de Théorie des opérateurs ” (with a twice manifestations per year frequency).
Semi-plenary Speaker: International Workshop in Operator Theory and its Applications - Lancaster 2021- Title: Singular values of Hankel operators on the Bergman spaces.
Plenary Talk: Focus Program on Analytic Function Spaces and Their Applications - Dirichlet space- 15 July 2021. Fields Institute.Title: Extremal functions and invariant subspaces in Dirichlet spaces.
Title: Asymptotic behavior of eigenvalues of Toeplitz operators on the weighted analytic spaces ”Conférence Analyse Harmonique et Fonctionnelle, Théorie des Opérateurs et Applications” IMB, Universit ́e de Bordeaux, 1-4 juin 2015 (http://esterle.sciencesconf.org).
Title: On the Dirichlet type spaces. Function Spaces and Harmonic Analysis, 27/10/2014 to 31/10/2014 organized by H. G. Feichtinger and B. Torresani, in CIRM Marseille- (http://www.cirm-math.fr/).
Research in Teams at Banff International Research Station (BIRS): ”Dirichlet Spaces and de Branges-Rovnyak Spaces” June 15 - 22, 2014 (http://www.birs.ca/events/2014/).
Title: Level sets and composition operators on the Dirichlet space, Workshop on Operator Theory, Complex Analysis and Applications. IST Lisbone 10-12 October 2010.
Title: Cyclicity in the analytic Dirichlet space, Fifth Advanced Course in Operator Theory and Complex Analysis. Sevilla, June 24th-26th, 2008 (http://congreso.us.es/ceacyto/2008/talks.html).
Title: Reflexivity of extensions of reflexive operators by algebraic operators. Second Congress of Mathematics Canada-France. Montreal (Canada), June 02 - 06, 2008.
Title: An estimate for the Dirichlet integral and an application to cyclicity. First Mathematics congress Spain-France. Saragossa (Spain). June 09 -13, 2007 (https://mmg.cnrs-mrs.fr/ borichev/C53.pdf).
Title: Cyclic vectors in weighted Bergman spaces. Third Advanced Course in Operator Theory and Complex Analysis. Sevilla, June 20th-24th, 2006.
Title: Quelques remarques sur le probl`eme de Levin. Congress spaces of holomorphic functions and their operators (CIRM) Marseille. June 5-9, 2006. France.
Member of organizing committee for some International meetings
Challenge and New Perspectives in Mathematics, 14-15 November 2019 at Hassan II Academy of Sciences and Technology.
”Analyse et G ́eom ́etrie Complexe” Honor to Professeur Ahmed Zeriahi, 18-20 April 2018- Rabat.
”Analysis, Geometry and representations on lie groups and Homogeneous spaces” Marrakech, December 8- 12, 2014. (http://rdha14.iecn.u-nancy.fr).
”Ecole de Printemps d’Analyse Fonctionnelle” Rabat, Mai 2009.
”Ecole de Printemps d’Analyse Fonctionnelle” Rabat, Mai 2006.