International Journal of Mathematics and Mathematical Sciences
Volume 2003 (2003), Issue 14, Pages 903-907
doi:10.1155/S0161171203202246
  
     
          
          Commuting idempotents of an H∗-algebra
          
            P.P. Saworotnow
          
          Department of Mathematics, The Catholic University of America, Washington DC 20064, USA
          
          Abstract
Commutative H∗-algebra is characterized in terms of idempotents. Here we offer three characterizations.