Turing Machines with Sublogarithmic Space / Edition 1

Turing Machines with Sublogarithmic Space / Edition 1

by Andrzej Szepietowski
     
 

ISBN-10: 3540583556

ISBN-13: 9783540583554

Pub. Date: 09/29/1994

Publisher: Springer Berlin Heidelberg

This comprehensive monograph investigates the computational power of Turing machines with sublogarithmic space. The studies are devoted to the Turing machine model introduced by Stearns, Hartmanis, and Lewis (1965) with a two-way read-only input tape and a separate two-way read-write work tape. The book presents the key results on space complexity, also as regards

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Overview

This comprehensive monograph investigates the computational power of Turing machines with sublogarithmic space. The studies are devoted to the Turing machine model introduced by Stearns, Hartmanis, and Lewis (1965) with a two-way read-only input tape and a separate two-way read-write work tape. The book presents the key results on space complexity, also as regards the classes of languages acceptable, under the perspective of a sublogarithmic number of cells used during computation. It originates from courses given by the author at the Technical University of Gdansk and Gdansk University in 1991 and 1992. It was finalized in 1994 when the author visited Paderborn University and includes the most recent contributions to the field.

Product Details

ISBN-13:
9783540583554
Publisher:
Springer Berlin Heidelberg
Publication date:
09/29/1994
Series:
Lecture Notes in Computer Science Series, #843
Edition description:
1994
Pages:
123
Product dimensions:
6.10(w) x 9.25(h) x 0.01(d)

Table of Contents

Basic Notions.- Languages acceptable with logarithmic space.- Examples of languages acceptable with sublogarithmic space.- Lower bounds for accepting non-regular languages.- Space constructible functions.- Halting property and closure under complement.- Strong versus weak mode of space complexity.- Padding.- Deterministic versus nondeterministic Turing machines.- Space hierarchy.- Closure under concatenation.- Alternating hierarchy.- Independent complement.- Other models of Turing machines.

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