----- Original Message ----- From: "Chan Heng Huat" To: "Y.C. Chen" Sent: Thursday, October 08, 2009 3:39 PM Subject: RE: a preprint Dear Bill, I received your preprint. With regards to such congruences, you might want to take a look at a =aper I wrote with R.P.Lewis around 2002. With best wishes, Heng Huat -----Original Message----- From: Y.C. Chen [mailto:chen@nankai.edu.cn] Sent: Wed 10/7/2009 10:53 PM To: Chan Heng Huat Subject: a preprint Dear Heng Huat, Attached is a preprint on congruence relations. Your comments and criticism will be greatly appreciated. Best regards. Bill