On the continued fraction representation of computable real numbers
Theoretical Computer Science
Feasible real functions and arithmetic circuits
SIAM Journal on Computing
Complexity theory of real functions
Complexity theory of real functions
The Design and Analysis of Computer Algorithms
The Design and Analysis of Computer Algorithms
Primitive Recursiveness of Real Numbers under Different Representations
Electronic Notes in Theoretical Computer Science (ENTCS)
On some complexity issues of NC analytic functions
TAMC'06 Proceedings of the Third international conference on Theory and Applications of Models of Computation
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We study the representations of NC and Log-space real numbers in this paper. We show that the classes of the NC and Log-space real numbers under the general left cut representation are among the most expressive representations. On the other hand, although the general left cut representation and the Cauchy function representation have the same expressive power in P, the expressive power of the Cauchy function representation is weaker than that of the general left cut representation in NC if P1 ≠ NC1. In addition, although the expressive power of the standard left cut representation is weaker than that of the Cauchy function representation in P, the expressive powers of these two representations are incomparable in NC if P1 ≠ NC1. Similar results hold in Log-space.