**COMMUNICATIONS IN ALGEBRA®**

**Volume 36, Number 5, 2008**

**CONTENTS**

Grobner-Shirshov Bases for Schreier Extensions

of Groups 1609
**Y. Chen**

Multiplicative Lie Isomorphisms Between Prime Rings 1626
**Z. Bai, S. Du, and J. Hou**

*A Note on the 4-Rank Densities of K**2**O**F* for Quadratic

*Number Fields F 1634*
**X. Cheng**

*Module-Theoretic Characterizations of t-Linkative*

Domains 1649
**H.Kim**

*Zassenhaus Conjecture for Groups of Order p**2**q 1671*
**J.-H. Liu**

Upper-Triangular Embeddings of Incidence Algebras

with Involution 1675
**E. Spiegel**

The Strong Endomorphism Kernel Property

in Ockham Algebras 1682
**T. S. Blyth and H. J. Silva**

On -Relation and Transitivity Conditions of a 1695
**S. Mirvakili, S. M. Anvariyeh, and B. Davvaz**

On the Classification of Commutative Right-Nilalgebras

of Nilindex 5 and Dimension 4 1704
**A. Elduque and A. Labra**

On the Isomorphism Classes of Transversals 1717
**V. K. Jain and R. R Shukla**

Conjugacy in Permutation Representations

of the Symmetric Group 1726
**Y. Cherniavsky and M. Sklarz**

Cyclotomic Extensions of Diagram Algebras 1739
**J. Wang and S. Koenig**

Algorithms for Computations in Local Symmetric Spaces 1758
**J. R. Daniel and A. G. Helminck**

**(Continued on inside back cover)**

Contents
*(Contents Continued)*

Binomial Cycle Bases on Koszul Homology Modules 1789
**D. Popescu**

Quasi Co-Hopfian Modules and Applications 1801
**Sh. Asgari, A. Haghany, and M. R. Vedadi**

-Gorenstein Modules 1817
**J.Wei**

On Inverting the Koszul Complex 1830
**K. Khuri-Makdisi**

On the Quasi-Stratified Algebras of Liu and Paquette 1838
**W. D. Burgess and A. Mojiri**

On Von Neumann Regular Rings of Skew Generalized

Power Series 1855
**R. Mazurek and M. Ziembowski**

Nilpotent Ideals in Graded Lie Algebras and Almost

Constant-Free Derivations 1869
**E. I. Khukhro, N. Yu. Makarenko, and R Shumyatsky**

Irreducible Divisor Graphs in Commutative Rings

with Zero Divisors 1883
**M. Axtell and J. Stickles**

Descent Cohomology and Corings 1894
**T. Brzezinski**

The Leading Ideal of a Complete Intersection of Height

Two in a 2-Dimensional Regular Local Ring 1901
**S. Goto, W. Heinzer, and M.-K. Kim**

Two-Sided Localization of Bimodules 1911
**E. Ortega**

On the Zeroeth Complete Cohomology of Certain

Polycyclic Groups 1927
**F. Dembegioti**

Asymptotic Primes of Ratliff-Rush Closure of Ideals

with Respect to Modules 1942
**J. Amjadi and R. Naghipour**

When the Semistar Operation is the Identity 1954
**G. Picozza and F. Tartarone**

Minimal Number of Generators and Minimum Order of a Non-Abelian Group Whose Elements Commute

with Their Endomorphic Images 1976
**A. Abdollahi, A. Faghihi, and A. M. Hassanabadi**

Strict Dead-End Elements in Free Soluble Groups 1988
**V. Guba**