--- a/Paper/document/root.tex	Thu Apr 28 03:24:20 2011 +0000
+++ b/Paper/document/root.tex	Wed May 04 07:05:59 2011 +0000
@@ -42,6 +42,7 @@
 \institute{PLA University of Science and Technology, China \and TU Munich, Germany}
 \maketitle
 
+%\mbox{}\\[-10mm]
 \begin{abstract} 
 There are numerous textbooks on regular languages. Nearly all of them
 introduce the subject by describing finite automata and only mentioning on the