siamart0216_uppercase_fix.tex

% The SIAM's stylesheet uses \uppercase instead of \MakeUppercase, so unicode
% characters are not converted to uppercase. The fix here was suggested at:
% http://tex.stackexchange.com/questions/289465/stylesheet-does-not-capitalize-polish-letters-correctly

\makeatletter
\def\@ucnt#1\thanks{\MakeUppercase{#1}\futurelet\@tempa\@ucnta}
\makeatother