On 2-stably isomorphic four-dimensional affine domains
Journal of Commutative Algebra
In this paper, we exhibit examples of four-dimensionalfinitely generated over the field (or ℝ) such that A[X, Y] ≅= B[X, Y] but A[X] ≇ B[X].
Asanuma, Teruo and Gupta, Neena, "On 2-stably isomorphic four-dimensional affine domains" (2018). Journal Articles. 1560.