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jdh.hamkins.org
| | pressron.wordpress.com
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| | Abstract: Machine and language models of computation differ so greatly in the computational complexity properties of their representation that they form two distinct classes that cannot be directly compared in a meaningful way. While machine models are self-contained, the properties of the language models indicate that they require a computationally powerful collaborator, and are better...
| | scottaaronson.blog
3.6 parsecs away

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| | In Michael Sipser's Introduction to the Theory of Computation textbook, he has one Platonically perfect homework exercise, so perfect that I can reconstruct it from memory despite not having opened the book for over a decade. It goes like this: Let f:{0,1}*?{0,1} be the constant 1 function if God exists, or the constant 0 function...
| | blog.sigfpe.com
2.7 parsecs away

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| | [AI summary] The author explores the counterintuitive connections between topology and computability using exact real arithmetic streams.
| | maryrosecook.com
23.0 parsecs away

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| Little Lisp is an interpreter that supports function invocation, lambdas, lets, ifs, numbers, strings, a few library functions, and lists. I wrote it for a l...