.. _MPI:          http://www.mpi-forum.org

.. _MPICH:        http://www.mpich.org/

.. _Open MPI:     http://www.open-mpi.org

.. _PETSc:        https://petsc.org

.. _SLEPc:        http://slepc.upv.es

.. _Python:       http://www.python.org

.. _NumPy:        http://www.numpy.org

.. _mpi4py:       http://github.com/mpi4py/mpi4py

.. _petsc4py:     http://gitlab.com/petsc/petsc4py

.. _slepc4py:     http://gitlab.com/slepc/slepc4py