Elliptic singularity
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In algebraic geometry, an elliptic singularity of a surface, introduced by Wagreich (1970), is a surface singularity such that the arithmetic genus of its local ring is 1.
See also
References
- Wagreich, Philip (1970), "Elliptic singularities of surfaces", American Journal of Mathematics, 92 (2), The Johns Hopkins University Press: 419–454, doi:10.2307/2373333, ISSN 0002-9327, JSTOR 2373333, MR 0291170
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