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The Zero-divisor Graph of the Ring of Integers Modulo n

  • Pi, Seung Jun (Department of Mathematics, College of Natural Sciences, Kyungpook National University) ;
  • Kim, Se Hun (Department of Mathematics, Seoul National University) ;
  • Lim, Jung Wook (Department of Mathematics, College of Natural Sciences, Kyungpook National University)
  • Received : 2018.10.15
  • Accepted : 2019.11.11
  • Published : 2019.12.23

Abstract

Let ℤn be the ring of integers modulo n and Γ(ℤn) the zero-divisor graph of ℤn. In this paper, we study some properties of Γ(ℤn). More precisely, we completely characterize the diameter and the girth of Γ(ℤn). We also calculate the chromatic number of Γ(ℤn).

Keywords

References

  1. D. F. Anderson, M. C. Axtell, and J. A. Stickles, Jr, Zero-divisor graphs in commutative rings, Commutative Algebra: Noetherian and Non-Noetherian Perspectives, 23-45, Springer, New York, 2011.
  2. D. F. Anderson and P. S. Livingston, The zero-divisor graph of a commutative ring, J. Algebra, 217(1999), 434-447. https://doi.org/10.1006/jabr.1998.7840
  3. D. D. Anderson and M. Naseer, Beck's coloring of a commutative ring, J. Algebra, 159(1993), 500-514. https://doi.org/10.1006/jabr.1993.1171
  4. I. Beck, Coloring of commutative rings, J. Algebra, 116(1988), 208-226. https://doi.org/10.1016/0021-8693(88)90202-5
  5. S. Mulay, Cycles and symmetries of zero-divisors, Comm. Algebra, 30(2002), 3533-3558. https://doi.org/10.1081/AGB-120004502