\BOOKMARK [1][-]{section.1}{Introduction}{}% 1
\BOOKMARK [1][-]{section.2}{Background}{}% 2
\BOOKMARK [2][-]{subsection.2.1}{Compositions and partitions}{section.2}% 3
\BOOKMARK [2][-]{subsection.2.2}{Skew shapes and ribbons}{section.2}% 4
\BOOKMARK [2][-]{subsection.2.3}{Skew Schur functions and ribbon Schur functions}{section.2}% 5
\BOOKMARK [2][-]{subsection.2.4}{Box diagonal diagrams}{section.2}% 6
\BOOKMARK [1][-]{section.3}{Ribbon operations for Schur-positivity}{}% 7
\BOOKMARK [2][-]{subsection.3.1}{Moving a cell from the first row}{section.3}% 8
\BOOKMARK [2][-]{subsection.3.2}{Exchanging adjacent rows}{section.3}% 9
\BOOKMARK [1][-]{section.4}{Totally ordered equitable ribbons}{}% 10
\BOOKMARK [1][-]{section.5}{Large ribbons and short end rows}{}% 11
\BOOKMARK [1][-]{section.6}{Large ribbons and even distribution of long rows}{}% 12
\BOOKMARK [2][-]{subsection.6.1}{Minimal equitable ribbons}{section.6}% 13
