Infinite planar zero-divisor graphs

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


Given a commutative ring R, one can associate with R an undirected graph Γ(R) whose vertices are the nonzero zero-divisors of R, and two distinct vertices x and y are joined by an edge iff xy = 0. In this article, we determine precisely those planar graphs that can be realized as Γ(R) when R is an infinite commutative ring.

Original languageEnglish (US)
Pages (from-to)171-180
Number of pages10
JournalCommunications in Algebra
Issue number1
StatePublished - Jan 1 2007


  • Zero-divisor graphs

ASJC Scopus subject areas

  • Algebra and Number Theory


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