On radicals of graded ring constructions

Abstract

Preface vii List of participants ix Rings whose proper images are almost self-injective Adel Alahmadi, André Leroy, and Surender K. Jain 1 Enveloping skewfields of the nilpotent positive part and the Borel subsuperalgebra of osp(1, 2n) Jacques Alev and François Dumas 7 The Krull-Schmidt-Remak-Azumaya Theorem for G-groups Meltem Altun-Özarslan and Alberto Facchini 25 Good codes from metacyclic groups Samir Assuena and César Polcino Milies 39 The prime ideals and simple weight modules of the algebra U(b V3) V. V. Bavula and T. Lu 49 n-torsion clean rings Peter Danchev and Jerzy Matczuk 71 Generating characters of non-commutative Frobenius rings Steven T. Dougherty, Arda Kör, and André Leroy 83 Constacyclic codes over local rings of order 16 Steven T. Dougherty and Esengül Saltürk 93 Skew Reed-Muller codes Willi Geiselmann and Felix Ulmer 107 The extension theorem for bi-invariant weights over Frobenius rings and Frobenius bimodules Oliver W. Gnilke, Marcus Greferath, Thomas Honold, Jay A. Wood, and Jens Zumbrägel 117 Dual skew codes from annihilators: Transpose Hamming ring extensions José Gómez-Torrecillas, F. J. Lobillo, and Gabriel Navarro 131 Injective hulls of simple modules over nilpotent Lie color algebras Can Hatipoğlu 149 U -rings generated by its idempotents Yasser Ibrahim and Mohamed Yousif 157