In 1966, Chern asked which compact orientable manifolds carry a Riemannian metric and a vector field which is parallel under this metric. An earlier paper answered this without assuming orientability.

The Vector API gives Java developers everything they need to tap into CPU-level performance gains for numerically intensive operations.

The DR1000C implements these as a MIMD-based high-performance embedded vector processor with high functional safety for users who want to control embedded systems high efficiently, reasonably, and ...