R. Niedermeier and K. Reinhardt and P. Sanders. Towards optimal locality in mesh-indexings . Long version see TR below. Journal version above. Recursively divisible problems .
Long version see TR below.
R. Niedermeier and P. Rossmanith. . Unambiguous simulations of auxiliary pushdown automata and circuits . R. Niedermeier and P. Rossmanith. Extended locally definable acceptance types . Springer , 1993.