The compactified jacobian can be nonreduced
Algebraic Geometry
2015-07-31 v1
Abstract
We prove by explicit example that the compactified jacobian can be nonreduced. The example is a rational space curve of arithmetic genus 4. This answers a question posed by Cyril D'Souza in 1979.
Cite
@article{arxiv.1507.08558,
title = {The compactified jacobian can be nonreduced},
author = {Jesse Leo Kass},
journal= {arXiv preprint arXiv:1507.08558},
year = {2015}
}
Comments
Final version