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%Hogben
%Leslie","lhogben@iastate.edu","
\section*{Minimum Rank  Problems: \\ Recent Developments} By {\sl Leslie Hogben}.  

\medskip  \noindent This talk will survey recent developments in the problem of determining the minimum rank of families of matrices described by a graph, digraph or pattern.
%minimum rank, symmetric minimum rank, asymmetric minimum rank, ditree, directed tree,  inverse eigenvalue problem","05C50","15A03","This abstract is for my invited plenary lecture","20:05:39","Wed Mar 26 2008","65.174.105.59"
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