shrink space tricks in latex (algorithm, equation and itemize)
Before and after algorithms:
\setlength{\textfloatsep}{0.1cm}
\setlength{\floatsep}{0.1cm}
http://tex.stackexchange.com/questions/62720/vertical-space-after-algorithm
Before and after equations:
\usepackage{amsmath}
\makeatletter
\g@addto@macro\normalsize{%
\setlength\abovedisplayskip{-6pt}
\setlength\belowdisplayskip{0pt}
\setlength\abovedisplayshortskip{-6pt}
\setlength\belowdisplayshortskip{0pt}
}
\makeatother
Before and after itemize:
\usepackage{enumitem}
\setlist{nolistsep}