An exotic symplectic ${\mathbf{R}}^6$

Abstract

An explicit example of an exotic symplectic ${\mathbf{R}}^6$ is given. Together with an earlier known example on ${\mathbf{R}}^4$, this yields an explicit exotic symplectic form on ${\mathbf{R}}^{2n}$ for all $n\ge 2$.

arXiv comment3 pages