Deterministic k-tape and multitape Turing machines with one-way, two-way and without a separated input tape are considered. We investigate the classes of languages acceptable by such devices with time bounds of the form n+r(n), where r∈o(n) is a sublinear function. It is shown that there exist infinite time hierarchies of separated complexity classes in that range. For these classes weak closure properties are proved. © 2002 Elsevier Science B.V. All right reserved.
CITATION STYLE
Klein, A., & Kutrib, M. (2002). Deterministic Turing machines in the range between real-time and linear-time. Theoretical Computer Science, 289(1), 253–275. https://doi.org/10.1016/S0304-3975(01)00272-9
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