Critical typesets of bracket groups Typesets and cotypesets of rank-$2$ torsion free abelian groups Typesets and cotypesets of finite-rank torsion-free abelian groups Finite rank Butler groups with small typesets Finite rank Butler groups with small typesets CREATIVE TYPESETS REQUIRE INNOVATIVE SOLUTIONS: A STUDY OF DIFFERENCES IN BRAILLE INDICATORS Butler groups with finite typesets and free groups with distinguished subgroups PROCESSES AND SYSTEMS FOR TRAINING MACHINE TYPESETS FOR CHARACTER RECOGNITION Butler groups that are unions of subgroups with countable typesets F-91191 Gif-sur-Yvette Cedex, France} maketitle% typesets the title of the contribution begin {abstract}
