Multihead and multitape real-time turing machines : (preprint)
Paul M. B. Vitanyi · Data Archiving and Networked Services (DANS) · 1979
It is shown that (k+l)-head tape units are more powerful in real-time thank-head tape units.Closure properties are investigated of classes of languages accepted by real-time Turing machines with k one-head tapes or one k-head tape.