LINEAR ALGEBRA AND ITS APPLICATIONS Special Issue in honor of Graciano de Oliveira Linear Algebra and its Applications is pleased to announce a special issue in honor of Professor Graciano de Oliveira in recognition of his many important contributions to linear algebra and his influential role in the development of linear algebra, especially in Portugal, and on the occasion of his retirement from the Universidade de Coimbra. The deadline for submisson of papers is October 1, 2003. We solicit papers for the special issue within the scope of LAA or research interests of Graciano de Oliveira. Papers for submission should be sent to any of the five special editors, and will be subject to normal refereeing procedures according to LAA standards: Jose Dias da Silva Centro de Algebra de Universidade de Lisboa Av. Prof. Gama Pinto 2 1699 Lisboa Code, Portugal perdigao@fc.ul.pt Eduardo Marques de Sa Departmento de Mathematica Apt. 3008, Universidade de Coimbra 3000 Coimbra, Portugal emsa@mat.uc.pt Russell Merris Department of Mathematics California State University, Hayward Hayward, CA 94542 merris@csuhayward.edu Joao Queiro Departmento de Mathematica Apt. 3008, Universidade de Coimbra 3000 Coimbra, Portugal jfqueiro@mat.uc.pt Fernando Silva Centro de Algebra de Universidade de Lisboa Av. Prof. Gama Pinto 2 1699 Lisboa Code, Portugal fcsilva@fc.ul.pt Editor-in-chief responsible for this issue: Richard A. Brualdi Department of Mathematics University of Wisconsin-Madison 480 Lincoln Drive Madison, WI 53706, USA brualdi@math.wisc.edu