Elliptic singularity

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

Rational singularity

References

Wagreich, Philip (1970), "Elliptic singularities of surfaces", American Journal of Mathematics, The Johns Hopkins University Press, 92 (2): 419–454, doi:10.2307/2373333, ISSN 0002-9327, JSTOR 2373333, MR 0291170

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