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2009, Issue 3  


Miguel Ferrero: to the 70th birthday
Michael Dokuchaev, Francisco César Polcino Milies, Antonio Paques, Alveri Alves Santana
E

RESEARCH ARTICLE
Partial Hopf actions, partial invariants and a Morita context
Marcelo Muniz S. Alves, Eliezer Batista
1
A variant of the primitive element theorem for separable extensions of a commutative ring
Dirceu Bagio, Antonio Paques
20
Semisimple group codes and dihedral codes
Flaviana S. Dutra, Raul A. Ferraz, C. Polcino Milies
28
A Morita context related to finite groups acting partially on a ring
Jesús Ávila Guzmán, Joã Lazzarin
49
A new characterization of groups with central chief factors
Orlando Stanley Juriaans, Deborah Martins Raphael
62
The central polynomials for the finite dimensional Grassmann algebras
Plamen Koshlukov, Alexei Krasilnikov, Élida Alves da Silva
69
A note on semidirect products and nonabelian tensor products of groups
Irene N. Nakaoka, Noraí R. Rocco
77
A note on a problem due to Zelmanowitz
V. S. Rodrigues, A. A. Santana
85
On speciality of Jordan brackets
Ivan. Shestakov
94
Algebra and Discrete Mathematics
 
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