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  • 标题:Kolmogorov complexity and nondeterminism versus determinism for polynomial time computations
  • 本地全文:下载
  • 作者:Juraj Hromkovic
  • 期刊名称:Electronic Colloquium on Computational Complexity
  • 印刷版ISSN:1433-8092
  • 出版年度:2021
  • 卷号:21
  • 语种:English
  • 出版社:Universität Trier, Lehrstuhl für Theoretische Computer-Forschung
  • 摘要:We call any consistent and sufficiently powerful formal theory that enables to algorithmically verify whether a text is a proof \textbf{algorithmically verifiable mathematics} (av-mathematics). We study the question whether nondeterminism is more powerful than determinism for polynomial time computations in the framework of av-mathematics. Our main results are as follows. \\ "\P\subsetneq\NP or for any deterministic, polynomial time compression algorithm A there exists a nondeterministic, polynomial time compression machine M that reduces infinitely many binary strings logarithmically stronger than A." \\ "\P\subsetneq\NP or f-time resource bounded Kolmogorov complexity of any binary string x can be computed in deterministic polynomial time for each polynomial, time constructible function f."\\ For computing models with "efficient" interpreters we prove the following theorem:\\ "For each polynomial, time constructible function f, \TIMEf\subsetneq\NTIMEf or one can essentially stronger compress words nondeterministically in time \Ohf(n) than deterministically in time f(n)."
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