Journal of the Indonesian Mathematical SocietyVolume 13 Number 2 (October 2007)
THE GRAPH OF DIAGRAM GROUPS FROM DIRECT PRODUCT OF THREE FREE SEMIGROUPS
Sri Gemawati(Department of Mathematics, Riau University, Pekanbaru, Indonesia.) Abd. Ghafur Bin Ahmad(School of Mathematical Sciences, Faculty of Science and Technology, Uni- versiti Kebangsaan Malaysia, Bangi 43600, Selangor D.E., Malaysia.)
Journal of the Indonesian Mathematical Society disseminates new research results in all areas of mathematics and their applications. Besides research articles, the journal also receives survey papers that stimulate research in mathematics and their ...