An analogue of cyclotomic units for products of elliptic curves

Srinath Baba, Ramesh Sreekantan

We construct certain elements in the integral motivic cohomology group $H^3_{\cal M}(E \times E',\Q(2))_{\ZZ}$, where $E$ and $E^{\prime }$ are elliptic curves over $\Q$. When $E$ is not is…