.
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 0.
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
Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
Retrieved from "http://en.wikipedia.org/"
All text is available under the terms of the GNU Free Documentation License
