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Some Talks

Somewhat semicommutative polynomials University of Passau, December 7th, 1999

Algorithmic Methods in skew polynomial rings. Alhambra 2000. A Joint Mathematical EuropeanArabic Conference, Granada, July3rd to 7th, 2000

Coanillos semisimples Jornadas Españolas de Teoría de Anillos, La Coruña, March, 2002

Semisimple corings. Hopf algebras in Noncommutative Geometry and Physics, Brussels, May 31th  June, 6th, 2002

Refiltering for some noetherian rings. Noncommutative Geometry and Rings, an ESF meeting, Almería, September 2nd to 7th, 2002

NonCommutative Groebner bases and prime ideals Workshop on Finitely presented algebras, groups and monoids, Alden Biesen, September 1st to 5th, 2003

Infinite comatrix corings Ferrara Algebra Workshop, Ferrara, June 1619, 2004

Variations on comatrix corings Workshop
on Hopf Algebras. University of Wales Swansea, June 2426, 2004

Comatrix corings and Reconstruction Workshop Noncommutative Algebra, Warwick, July 516, 2004

An example of a biseparable ring extension which is not Frobenius Seminar on Quantum Groups, Hopf Algebras and Monoidal Categories , U. Libre de Bruxelles, December, 6th, 2019.