ELA, Volume 6, p. 1, October 1999.

PREFACE


The Eleventh Haifa Matrix Theory Conference was held on June 21-25, 1999,
at the Technion - Israel Institute of Technology. It was organized and
sponsored by the Institute of Advanced Studies in Mathematics at the
Technion. The organizing committee of the conference consisted of Abraham
Berman (Chair), Moshe Goldberg, Daniel Hershkowitz, Leonid Lerer, David
London, Raphael Loewy and Abraham Zaks.

The program consisted of 45 talks, given by speakers from Australia,
China, the Czech Republic, Germany, Israel, The Netherlands, Poland,
Portugal, Russia, Slovenia, Taiwan and the United States. The proceedings
of the conference are published in this volume of The Electronic Journal 
of Linear Algebra. All the articles in this volume went through the normal 
procedure of refereeing, according to the high standards of the journal.

This conference was the eleventh in a sequence of conference devoted to
matrix analysis and the various aspects of linear algebra and its
applications. The first conference took place in December 1984, and the
second one took place in December 1985. Both conferences were organized
jointly by the Technion and the Haifa University. All other conferences in
the sequence were held the Technion only. The third conference took place
in January 1987, the fourth one took place in January 1988, the fifth
conference was held in January 1989, the sixth one took place in June
1990, and the seventh conference was held in June 1991. The Eighth Haifa
Matrix Theory Conference was a part of the special month in Linear
Algebra, organized by the Institute for Advanced Studies in Mathematics at
the Technion in June 1993. It was proceeded by a workshop on "Nonnegative
Matrices, Generalizations and Applications". The ninth conference was held
in May-June 1995, and the tenth one took place in January 1998.

Three special issues of the journal Linear Algebra and its
Applications were devoted to conference proceedings of the Fourth Haifa
Matrix Theory Conference, the sixth conference, and the eighth one.

Daniel Hershkowitz