Oliver Bodemer
IBM J. Res. Dev
For d and k > 2, d-dimensional k-tape Turing machines cannot simulate d-dimensional Turing machines with k heads on l tape in real time. © 1984.
Oliver Bodemer
IBM J. Res. Dev
S.F. Fan, W.B. Yun, et al.
Proceedings of SPIE 1989
Limin Hu
IEEE/ACM Transactions on Networking
Rolf Clauberg
IBM J. Res. Dev