--- trunk/tengDissertation/Introduction.tex	2006/06/06 01:58:27	2794
+++ trunk/tengDissertation/Introduction.tex	2006/06/06 02:02:02	2795
@@ -861,7 +861,7 @@ Careful choice of coefficient $a_1 \ldot b_m$ will lea
 \varphi _{b_m h}^2  \circ \varphi _{a_m h}^1  \circ \varphi _{b_{m -
 1} h}^2  \circ  \ldots  \circ \varphi _{a_1 h}^1 .
 \end{equation}
-Careful choice of coefficient $a_1 \ldot b_m$ will lead to higher
+Careful choice of coefficient $a_1 \ldots b_m$ will lead to higher
 order method. Yoshida proposed an elegant way to compose higher
 order methods based on symmetric splitting\cite{Yoshida1990}. Given
 a symmetric second order base method $ \varphi _h^{(2)} $, a