1. Hopf Algebras of Dimension 12

   • Sonia Natale

   OriginalPaper Pages: 445 - 455

2. Twisted Bimodules and Hochschild Cohomology for Self-injective Algebras of Class A _n , II

   • Karin Erdmann
   • Thorsten Holm
   • Nicole Snashall

   OriginalPaper Pages: 457 - 482

3. Purity and Almost Split Morphisms in Abstract Homotopy Categories: A Unified Approach via Brown Representability

   • Apostolos Beligiannis

   OriginalPaper Pages: 483 - 525

4. On Ringel–Hall Algebras of Tame Hereditary Algebras

   • Jiuzhao Hua
   • Jie Xiao

   OriginalPaper Pages: 527 - 550

5. Contents of Volume 5 (2002)

   Volume Contents Pages: 551 - 552