pith. sign in

arxiv: 1509.07803 · v1 · pith:MYEWGY44new · submitted 2015-09-25 · 🧮 math.AG

Affine-ruled varieties without the Laurent cancellation property

classification 🧮 math.AG
keywords isomorphichypersurfacesvarietiescancellationcylinderslaurentmathbbtimes
0
0 comments X
read the original abstract

We describe a method to construct hypersurfaces of the complex affine $n$-space with isomorphic $\mathbb{C}^*$-cylinders. Among these hypersurfaces, we find new explicit counterexamples to the Laurent Cancellation Problem, i.e. hypersurfaces that are non isomorphic, although their $\mathbb{C}^*$-cylinders are isomorphic as abstract algebraic varieties. We also provide examples of non isomorphic varieties $X$ and $Y$ with isomorphic cartesian squares $X\times X$ and $Y\times Y$.

This paper has not been read by Pith yet.

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.