Proper $G_a$-actions on $\C^4$ preserving a coordinate
Algebraic Geometry
2018-05-23 v3
Abstract
We prove that the actions mentioned in the title are translations. We show also that for certain -actions on affine fourfolds the quotient of the action is automatically affine and describe the geometric structure of such quotients.
Cite
@article{arxiv.1506.06082,
title = {Proper $G_a$-actions on $\C^4$ preserving a coordinate},
author = {Shulim Kaliman},
journal= {arXiv preprint arXiv:1506.06082},
year = {2018}
}
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