# Reduce line-spacing in ToC for certain sections in amsbook

Is it possible in LaTeX to reduce the line-spacing in the table of contents just for certain sections? Left is how it currently looks like, right is how I want it to look like:

Thanks a lot! :-)

I found out that the following command solves it for all chapters:

\def\l@chapter{\@tocline{0}{2pt plus1pt}{0pt}{}{}}}%


Default would be:

 \def\l@chapter{\@tocline{0}{8pt plus1pt}{0pt}{}{}}%


I solved the problem defining a new command:

\newcommand{\reducelinespaceintoc}{