@article{article_898440, title={Special cases of cat^groups}, journal={Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics}, volume={47}, year={1998}, DOI={10.1501/Commua1_0000000399}, author={Alp, M.}, keywords={Special cases, cat^groups, Statistics}, abstract={İn this paper we describe a package XMOD [2] of functions for computing with crossed modules, their morphisms and derivations; cat’-groups, Üıeir morphisms and sections, written using the GAP [5] group theory programming language. We have also enumerated the isomorphism classes of cat -groups in [3], Using these papers, we proved some mathematical results on cat’-group structures.}, publisher={Ankara University}