\contentsline {section}{\numberline {1}Automorphic forms on quaternion algebras}{7}
\contentsline {section}{\numberline {2}Teitelbaum's $L$-invariant}{11}
\contentsline {section}{\numberline {3}Families of automorphic forms on $B$}{14}
\contentsline {section}{\numberline {4}A geometric interpretation of $p$-adic \\ families of automorphic forms}{21}
\contentsline {section}{\numberline {5}Orton's ${\cal L}$-invariant}{32}
\contentsline {section}{\numberline {6}Distribution-valued modular symbols}{37}