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\centerline{\large \bf \ \ \ \ \ \qquad 15-th Conference of the}
\centerline{\large \bf \ \ \ \ \ \qquad International Linear Algebra Society}
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\rightline{March  28, 2008} 
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{\bf Professor Minerva Catral }

Department of Mathematics and Statistics

University of Victoria

Victoria B.C., Canada




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Dear Professor Catral:

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The Organizing Committee of the 15-th Conference of the International Linear
 Algebra Society invites you to participate in our Conference delivering a
  lecture about your recent research results in the Mini-syposium on Nonnegative and eventually nonnegative matrices.

The 15-th Conference will be held in Canc\'un, M\'exico, from June 15 to June 21,
 2008.

 Some useful information is available at the conference web-page

http://star.izt.uam.mx/ILAS08

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  We are certain that your lecture will contribute greatly towards the success 
of our conference and will be highly appreciated by all the participants.



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Cordially

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Dr. Luis Verde-Star

Chair of the Organizing Committee, ILAS Canc\'un 2008

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Departamento de Matem\'aticas, UAM Iztapalapa

Apartado 55-534, Mexico DF 09340, Mexico

Tel. +52 55 5804 4961, Fax +52 55 5804 4660

 e-mail: verde@star.izt.uam.mx

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