On Double Danielewski Surfaces and the Cancellation Problem
Commutative Algebra
2019-08-12 v1 Algebraic Geometry
Abstract
We study a two-dimensional family of affine surfaces which are counter-examples to the Cancellation Problem. We describe the Makar-Limanov invariant of these surfaces, determine their isomorphism classes and characterize the automorphisms of these surfaces.
Cite
@article{arxiv.1908.03403,
title = {On Double Danielewski Surfaces and the Cancellation Problem},
author = {Neena Gupta and Sourav Sen},
journal= {arXiv preprint arXiv:1908.03403},
year = {2019}
}
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