Chandler, D.B.Xiang, Qing2005-02-172005-02-172002http://udspace.udel.edu/handle/19716/332Using the Smith normal forms of the symmetric designs associated with the HKM and Lin difference sets, we show that not only are these two families of difference sets inequivalent, but also that the associated symmetric designs are nonisomorphic.257507 bytesapplication/pdfen-USDifference setGauss sumSinger difference setStickelberger’s theoremTeichmuller characterTechnical Report