%0 Journal Article %T Certain combinatorial topics in group theory %A C K Gupta %J International Journal of Group Theory %D 2013 %I University of Isfahan %X This article is intended to be a survey on some combinatorial topics in group theory. The bibliography at the end is neither claimed to be exhaustive, nor is it necessarily connected with a reference in the text. I include it as I see it revolves around the concepts which are discussed in the text. %K automorphisms %K test words %K polynilpotent series %K universal theories %U http://www.theoryofgroups.ir/?_action=showPDF&article=2439&_ob=e6c3c39c0bb1c0285110d472d9596943&fileName=full_text.pdf.