Algebra and Discrete Mathematics

Number 3. (2009).

Contents

Michael Dokuchaev,

Francisco C.esar Polcino Milies,

Antonio Paques,

Alveri Alves Sant’Ana To Professor Miguel Ferrero’s 70th birthday

M. M. S. Alves,

E. Batista Partial Hopf actions, partial invariants and a Morita context

D. Bagio,

A. Paques A variant of the primitive element theorem for separable extensions of a commutative ring

F. S. Dutra,

R. A. Ferraz,

C. Polcino Milies Semisimple group codes and dihedral codes

J. Guzm.an,

J. Lazzarin A Morita context related to finite groups acting partially on a ring

O. S. Juriaans,

D. M. Raphael A new characterization of groups with central chief factors

P. Koshlukov,

A. Krasilnikov,

E. A. Silva The central polynomials for the finite dimensional Grassmann algebras

I. N. Nakaoka,

N. R. Rocco A note on semidirect products and nonabelian tensor products of groups

V. Rodrigues,

A. Sant’Ana A note on a problem due to Zelmanowitz

I. Shestakov On speciality of Jordan brackets