Journal of Algebra, Number Theory: Advances and Applications
[1] S. Akbari, H. Maimani and R. S. Yassemi, When a zero-divisor graph
is planar or a completer r-partite graph, J. Algebra 270 (2003),
169-180.
[2] D. F. Anderson and P. S. Livingston, The zero-divisor graph of a
commutative ring, J. Algebra 217 (1999), 434-447.
[3] F. R. DeMeyer, T. McKenzie and K. Schneider, The zero-divisor
graph of a commutative semigroup, Semigroup Forum 65 (2002),
206-214.
[4] F. R. DeMeyer and L. DeMeyer, Zero-divisor graphs of semigroups,
J. Algebra 283 (2005), 190-198.
[5] R. Diestel, Graph Theory, Springer-Verlag, New York, 2000.
[6] M. Hall, Combonatorial Theory, Blaisdell Publishing Company,
London, 1967.
[7] G. H. Tang, H. D. Su and B. S. Ren, Commutative zero-divisor
semigroups of graphs with at most four vertices, Algebra Colloq. 16(2)
(2009), 341-350.
[8] T. S. Wu, On directed zero-divisor graphs of finite rings,
Discrete Math. 296(1) (2005), 73-86.
[9] T. S. Wu and D. C. Lu, Zero-divisor semigroups and some simple
graphs, Comm. Algebra 34(8) (2006), 3043-3052.
[10] T. S. Wu and F. Cheng, The structures of zero-divisor semigroups
with graph 
Semigroup Forum 76(2) (2008), 330-340.
[11] T. S. Wu and L. Chen, Simple graphs and commutative zero-divisor
semigroups, Algebra Colloq. 16(2) (2009), 211-218.
