1. Foreword

   • Miriam Cohen

   EditorialNotes Pages: 3 - 3

2. Irreducible actions and faithful actions of hopf algebras

   • Jeffrey Bergen
   • Miriam Cohen
   • Davida Fischman

   OriginalPaper Pages: 5 - 18

3. Duality, crossing and MacLane’s coherence

   • Ram Brustein
   • Yuval Ne’eman
   • Shlomo Sternberg

   OriginalPaper Pages: 19 - 37

4. Computing the brauer-long group of a hopf algebra I: The cohomological theory

   • S. Caenepeel

   OriginalPaper Pages: 38 - 83

5. Spectra of smash products

   • William Chin

   OriginalPaper Pages: 84 - 98

6. Hopf extensions of algebras and Maschke type theorems

   • Yukio Doi

   OriginalPaper Pages: 99 - 108

7. Hopf-algebraic structure of combinatorial objects and differential operators

   • Robert Grossman
   • Richard G. Larson

   OriginalPaper Pages: 109 - 117

8. The algebraic structure of linearly recursive sequences under hadamard product

   • Richard G. Larson
   • Earl J. Taft

   OriginalPaper Pages: 118 - 132

9. More examples of bicrossproduct and double cross product Hopf algebras

   • Shahn Majid

   OriginalPaper Pages: 133 - 148

10. Existence of a unique maximal subcoalgebra whose action is inner

    • Akira Masuoka

    OriginalPaper Pages: 149 - 157

11. Skew derivations andU _q (sl(2))

    • S. Montgomery
    • S. Paul Smith

    OriginalPaper Pages: 158 - 166

12. Principal homogeneous spaces for arbitrary Hopf algebras

    • Hans-Jürgen Schneider

    OriginalPaper Pages: 167 - 195

13. Representation theory of Hopf galois extensions

    • Hans-Jürgen Schneider

    OriginalPaper Pages: 196 - 231

14. Matric bialgebras and quantum groups

    • Mitsuhiro Takeuchi

    OriginalPaper Pages: 232 - 251

15. On hopf algebras and rigid monoidal categories

    • K.-H. Ulbrich

    OriginalPaper Pages: 252 - 256