Volume 4 (2008) 

Contents: 

1.  Jianlong Chen and Zhiling Ying

"On VNL-rings and n-VNL-rings", 4, 2008, 1-8. (pdf) 

2. Junchao Wei and  Jianhua Chen

"NPP Rings, Reduced Rings and SNF Rings", 4, 2008, 9-26. (pdf)

3. Richard M. Green

"Representations of Lie Algebras Arising From Polytopes", 4, 2008, 27-52. (pdf)

4. Christian Lomp

"Duality for Partial Group Actions", 4, 2008, 53-62. (pdf) 

5. John D. LaGrange

"The Cardinality of an Annihilator Class in a von Neumann Regular Ring", 4, 2008, 63-82. (pdf)

 6. Qiao-ling Guo and Shuan-hong Wang

"Lax Group Corings", 4, 2008, 83-103. (pdf)

 7. Mahmood Behboodi and  M. R. Haddadi

"Classical  Zariski  Topology  of  Modules and  Spectral Spaces I", 4, 2008, 104-130. (pdf) 

8. Mahmood Behboodi and  M. R. Haddadi

"Classical  Zariski  Topology  of  Modules and  Spectral Spaces II", 4, 2008, 131-148. (pdf) 

9. Hermund André Torkildsen

"Counting Cluster-tilted Algebras of Type A_n", 4, 2008, 149-158. (pdf)

10. Roy L. McCasland and Patrick F. Smith

"Generalised Associated Primes and Radicals of Submodules", 4, 2008, 159-176. (pdf)

 11. Bing-liang Shen and Shuan-hong Wang

"On Group Crossed Products", 4, 2008, 177-188. (pdf)