Time, Space and Randomness
Name
MIT-LCS-TM-131.pdf
Size
3.4 MB
Format
Adobe PDF
Checksum (MD5)
c776e0be6731246464b816f07309ed5a
Author(s)
Adleman, Leonard M.
Date Issued
March 1979
Series/Report no.
MIT-LCS-TM-131
Abstract
Space and time are the fundamental parameters of complexity theory. The thesis of this paper is that randomness is of equal importance. We introduce a notion of randomness (based on Kologorov-Chaitin-Randomness), which we suspect will contribute to the understanding of some of the central problems in complexity theory. The purpose of this paper is primarily conceptual, though several easy theorems are given with clarify the relationship of this notion of randomness to the NP=P question, the complexity of integer factoring, and the sets computable in random polynomial time. Finally, using factoring as an example, we raise the possibility of performing experiments on functions of unknown complexity to indicate the extent of their tractability.
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