Centre for Mathematics, University of Coimbra - Algebra and Combinatorics (Seminars)

Speaker	Title	Date
Christian Lomp (CMUP/Mat. FCUP)	Twisted multi-derivations	2011-01-19
Cláudia Mendes Araújo (Dep. Matemática, Univ. Minho)	Admissible sign patterns for certain classes of matrices	2011-01-12
José Agapito Ruiz (CELC)	A classical umbral view of the Riordan group and related Sheffer sequences	2010-11-26
Pedro C. Silva (Instituto Superior de Agronomia, U. T. Lisboa)	A class of rigid representations associated to linear PDE	2010-11-17
Filippo Viviani (CMUC/Roma Tre)	On cographic toric face rings	2010-09-29
Mariano Suarez-Alvarez (Universidad de Buenos Aires, Argentina)	On the deformations of N-Koszul algebras	2010-09-22
Itaru Terada (Grad. School of Math. Sci. Univ. of Tokyo, Japan)	A module model for Azenhas' bijection	2010-07-23
Elias Rojas (PhD programme U. Coimbra/U. Porto)	Upper bounds for the energy of digraphs	2010-06-30
Samuel Lopes (CMUP/Mat. Pura FCUP)	Generalized down-up algebras: their symmetries and arithmetic	2010-06-23
Rui Ralha (U. Minho)	Highly accurate computation of eigenvalues of tridiagonal matrices	2010-05-19

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