1. Spin Models of Index 2 and Hadamard Models

   • Kazumasa Nomura

   OriginalPaper Pages: 5 - 17

2. Type II Matrices and Their Bose-Mesner Algebras

   • Rie Hosoya
   • Hiroshi Suzuki

   OriginalPaper Pages: 19 - 37

3. On a Conjecture of R.P. Stanley; Part I—Monomial Ideals

   • Joachim Apel

   OriginalPaper Pages: 39 - 56

4. On a Conjecture of R.P. Stanley; Part II—Quotients Modulo Monomial Ideals

   • Joachim Apel

   OriginalPaper Pages: 57 - 74

5. Modified Stirling Numbers and p-Divisibility in the Universal Typical p ^k -Series

   • Jesús González

   OriginalPaper Pages: 75 - 89