Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4587748 | Journal of Algebra | 2008 | 14 Pages |
Abstract
Let R be a commutative ring and Γ(R) denote its zero-divisor graph. In this paper we investigate the crosscap number of the non-orientable compact surface which Γ(R) can be embedded and illustrate all finite commutative rings R (up to isomorphism) such that Γ(R) is projective.
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory