Vol. 251, No. 2, 2011

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On zero-divisor graphs of Boolean rings

Ali Mohammadian

Vol. 251 (2011), No. 2, 375–383
Abstract

The zero-divisor graph of a ring R is the graph whose vertices consist of the nonzero zero-divisors of R in which two distinct vertices a and b are adjacent if and only if either ab = 0 or ba = 0. In this paper, we investigate some properties of zero-divisor graphs of Boolean rings. Among other results, we prove that for any two rings R and S with Γ(R) Γ(S), if R is Boolean and |R| > 4, then R S.

Keywords
Boolean ring, reduced ring, zero-divisor graph
Mathematical Subject Classification 2000
Primary: 05C25, 06E20, 16P10
Milestones
Received: 5 June 2010
Revised: 31 August 2010
Accepted: 7 September 2010
Published: 3 June 2011

Proposed: Alexander S. Merkurjev
Authors
Ali Mohammadian
School of Mathematics
Institute for Research in Fundamental Sciences (IPM)
Niavaran Square
P.O. Box 19395-5746
Tehran
Iran