Afrika Matematika

, Volume 28, Issue 3–4, pp 505–514 | Cite as

Planarity and outerplanarity indexes of the zero-divisor graphs



In this paper, we consider the problem of planarity and outerplanarity of iterated line graphs of the zero divisor graphs for finite commutative rings. We give a full characterization of all zero divisor graphs with respect to their planarity and outerplanarity indexes.


Zero-divisor graph Iterated line graph Planarity index Outerplanarity index 

Mathematics Subject Classification

05C10 05C25 



The author thanks the referee for his/her thorough review and highly appreciate the comments and suggestions, which significantly contributed to improving the quality of the paper.


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Copyright information

© African Mathematical Union and Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  1. 1.Department of MathematicsKosar University of BojnordBojnordIran

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