LINEAR ALGEBRA AND ITS APPLICATIONS Special issue in honour of Pauline van den Driessche Linear Algebra and Its Applications is pleased to announce a special issue in honour of Professor Pauline van den Driessche in recognition of her many important contributions to linear algebra and mathematical biology, and on the occasion of her 65th birthday. The (extended) deadline for submission of papers is February 15, 2005. Papers are solicited for the special issue within the scope of LAA, especially those that overlap with the research interests of Pauline van den Driessche. Papers for submission should be sent to any of the four special editors, and will be subject to normal refereeing procedures according to LAA standards: Professor Steve Kirkland Department of Mathematics University of Regina Regina, SK, Canada S4S 0A2 e-mail: kirkland@math.uregina.ca Professor Judith McDonald Mathematics Department Box 643113 Washington State University Pullman, WA, USA 99164-3113 e-mail: jmcdonald@math.wsu.edu Professor Dale Olesky Department of Computer Science University of Victoria Victoria, BC, Canada V8W 3P6 e-mail: dolesky@cs.uvic.ca Professor Michael Tsatsomeros Mathematics Department Box 643113 Washington State University Pullman, WA, USA 99164-3113 e-mail: tsat@math.wsu.edu Editor-in-chief responsible for this issue: Hans Schneider Department of Mathematics University of Wisconsin-Madison 480 Lincoln Drive Madison, WI 53706, USA hans@math.wisc.edu