Journal of Commutative Algebra

On $2$-stably isomorphic four-dimensional affine domains

Teruo Asanuma and Neena Gupta

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In this paper, we exhibit examples of four-dimensional seminormal domains $A$ and $B$ which are finitely generated over the field $\mathbb{C} $ (or $\mathbb{R} $) such that $A[X,Y] \cong B[X,Y]$ but $A[X]\ncong B[X]$.

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J. Commut. Algebra, Volume 10, Number 2 (2018), 153-162.

First available in Project Euclid: 13 August 2018

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Primary: 13B25: Polynomials over commutative rings [See also 11C08, 11T06, 13F20, 13M10] 13F20: Polynomial rings and ideals; rings of integer-valued polynomials [See also 11C08, 13B25] 13F45: Seminormal rings 14R10: Affine spaces (automorphisms, embeddings, exotic structures, cancellation problem)

Cancelation problem stable isomorphism $K$-groups seminormal domain


Asanuma, Teruo; Gupta, Neena. On $2$-stably isomorphic four-dimensional affine domains. J. Commut. Algebra 10 (2018), no. 2, 153--162. doi:10.1216/JCA-2018-10-2-153.

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