Zero-Divisor Graphs of Polynomials and Power Series Over Commutative Rings

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Zero-Divisor Graphs of Matrices Over Commutative Rings (2009, background): “Recently, the diameter and girth of polynomial and power series rings over a commutative ring were studied in Axtell et al. (2005), Anderson and Mulay (2007), and Lucas (2006).”
The diameter of a zero divisor graph (2006, background): “As noted in [2], it is clear that diam(Γ (R)) is always less than or equal to diam(Γ (R[x])).”
On the Zero-Divisor Graph of a Ring (2008, background): “The diameter of R X has recently been studied in Axtel et al. (2005), Anderson and Mulay (2007), and Lucas (2006).”
ON THE DIAMETER AND GIRTH OF A ZERO-DIVISOR GRAPH (2007, methodology): “Some cases for R a non-noetherian commutative ring left open in [4] were then resolved in [12].”
Zero-divisor graphs of amalgamated duplication of a ring along an ideal (2007, background): “In [9, Theorem 1.6] DeMeyer and Schneider and in [11, Theorem 1.4] Mulay proved this conjecture independently (see also [ 5, Theorem 2 ]).”