149 lines
5.1 KiB
Markdown
149 lines
5.1 KiB
Markdown
---
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created_at: '2015-01-25T06:30:11.000Z'
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title: NP-complete Problems and Physical Reality (2005)
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url: http://arxiv.org/abs/quant-ph/0502072
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author: wfunction
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points: 94
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story_text: ''
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num_comments: 16
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created_at_i: 1422167411
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---
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[Source](https://arxiv.org/abs/quant-ph/0502072 "Permalink to [quant-ph/0502072] NP-complete Problems and Physical Reality")
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# [quant-ph/0502072] NP-complete Problems and Physical Reality
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![][1]
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![Cornell University][2]
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[Cornell University][3] [Library][4]
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[We gratefully acknowledge support from
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the Simons Foundation
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and member institutions][5]
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# [arXiv.org][6] > [quant-ph][7] > arXiv:quant-ph/0502072
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All papers Titles Authors Abstracts Full text Help pages
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([Help][8] | [Advanced search][9])
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Full-text links:
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## Download:
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* [PDF][10]
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* [PostScript][11]
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* [Other formats][12]
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([license][13])
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### Current browse context:
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### References & Citations
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* [INSPIRE HEP][18]
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([refers to][19] | [cited by ][20])
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* [NASA ADS][21]
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### [9 blog links][22]
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([what is this?][23])
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### Bookmark
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([what is this?][24])
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# Quantum Physics
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# Title: NP-complete Problems and Physical Reality
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Authors: [Scott Aaronson][32]
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(Submitted on 12 Feb 2005 ([v1][33]), last revised 21 Feb 2005 (this version, v2))
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> Abstract: Can NP-complete problems be solved efficiently in the physical universe? I survey proposals including soap bubbles, protein folding, quantum computing, quantum advice, quantum adiabatic algorithms, quantum-mechanical nonlinearities, hidden variables, relativistic time dilation, analog computing, Malament-Hogarth spacetimes, quantum gravity, closed timelike curves, and "anthropic computing." The section on soap bubbles even includes some "experimental" results. While I do not believe that any of the proposals will let us solve NP-complete problems efficiently, I argue that by studying them, we can learn something not only about computation but also about physics.
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| ----- |
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| Comments: | 23 pages, minor corrections |
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| Subjects: | Quantum Physics (quant-ph); Computational Complexity (cs.CC); General Relativity and Quantum Cosmology (gr-qc) |
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| Journal reference: | ACM SIGACT News, March 2005 |
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| Cite as: | [arXiv:quant-ph/0502072][34] |
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| | (or [arXiv:quant-ph/0502072v2][35] for this version) |
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## Submission history
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From: Scott Aaronson [[view email][36]]
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[**[v1]][33]** Sat, 12 Feb 2005 15:14:11 GMT (50kb)
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[**v2]** Mon, 21 Feb 2005 10:19:21 GMT (50kb)
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[Which authors of this paper are endorsers?][37] | [Disable MathJax][38] ([What is MathJax?][39])
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Link back to: [arXiv][40], [form interface][41], [contact][42].
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[1]: //webanalytics.library.cornell.edu/piwik.php?idsite=538&rec=1
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[2]: https://arxiv.org/icons/cu/cul_signature_unstyled.gif
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[3]: http://www.cornell.edu/
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[4]: http://www.library.cornell.edu/
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[5]: https://confluence.cornell.edu/x/ALlRF
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[6]: https://arxiv.org/
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[7]: https://arxiv.org/list/quant-ph/recent
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[8]: https://arxiv.org/help
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[9]: https://arxiv.org/find
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[10]: https://arxiv.org/pdf/quant-ph/0502072
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[11]: https://arxiv.org/ps/quant-ph/0502072
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[12]: https://arxiv.org/format/quant-ph/0502072
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[13]: http://arxiv.org/licenses/assumed-1991-2003/ "Rights to this article"
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[14]: https://arxiv.org/abs/quant-ph/0502071 "previous in quant-ph (accesskey p)"
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[15]: https://arxiv.org/abs/quant-ph/0502073 "next in quant-ph (accesskey n)"
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[16]: https://arxiv.org/list/quant-ph/new
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[17]: https://arxiv.org/list/quant-ph/0502
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[18]: https://inspirehep.net/search?p=find+eprint+QUANT-PH/0502072
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[19]: https://arxiv.org/refs/quant-ph/0502072
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[20]: https://arxiv.org/cits/quant-ph/0502072
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[21]: http://adsabs.harvard.edu/cgi-bin/bib_query?arXiv:quant-ph/0502072
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[22]: https://arxiv.org/tb/quant-ph/0502072
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[23]: https://arxiv.org/help/trackback/
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[24]: https://arxiv.org/help/social_bookmarking
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[25]: https://static.arxiv.org/icons/social/citeulike.png
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[26]: https://static.arxiv.org/icons/social/bibsonomy.png
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[27]: https://static.arxiv.org/icons/social/mendeley.png
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[28]: https://static.arxiv.org/icons/social/delicious.png
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[29]: https://static.arxiv.org/icons/social/digg.png
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[30]: https://static.arxiv.org/icons/social/reddit.png
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[31]: https://static.arxiv.org/icons/social/sciencewise.png
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[32]: https://arxiv.org/find/quant-ph/1/au:+Aaronson_S/0/1/0/all/0/1
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[33]: https://arxiv.org/abs/quant-ph/0502072v1
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[34]: https://arxiv.org/abs/quant-ph/0502072
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[35]: https://arxiv.org/abs/quant-ph/0502072v2
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[36]: https://arxiv.org/show-email/0b1edee8/quant-ph/0502072
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[37]: http://arxiv.org/auth/show-endorsers/quant-ph/0502072
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[38]: javascript:setMathjaxCookie%28%29()
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[39]: https://arxiv.org/help/mathjax/
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[40]: http://arxiv.org/
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[41]: https://arxiv.org/form
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[42]: https://arxiv.org/help/contact
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[43]: https://static.arxiv.org/icons/twitter_logo_blue.png "Follow arXiv on Twitter"
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