Author/Authors :
خسروي، حسن نويسنده دانشكده منابع طبيعي,گروه احياء مناطق خشك و كوهستاني, دانشگاه تهران ,ايران , , فرامرزي ثالث، اسدالله نويسنده Department of Mathematics, Damghan University, P. O. Box 3671641167, Damghan, Iran Faramarzi Salles, Asadollah
Abstract :
Let G be an in nite group and n 2 f3; 6g [ f2kjk 2 Ng. In this paper, we prove that G is
an n-Kappe group if and only if for any two infinite subsets X and Y of G, there exist x 2 X and y 2 Y
such that [xn; y; y] = 1.
