Approximable sets:
Gespeichert in:
Beteiligte Personen: | , , |
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Format: | Buch |
Sprache: | Englisch |
Veröffentlicht: |
Amsterdam
1993
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Schriftenreihe: | Centrum voor Wiskunde en Informatica <Amsterdam> / Department of Computer Science: Report CS
93,72 |
Schlagwörter: | |
Abstract: | Abstract: "Much structural work on NP-complete sets has exploited SAT's d-self-reducibility. In this paper we exploit the additional fact that SAT is a d-cylinder to show that NP-complete sets are p-superterse unless P = NP. In fact, every set that is NP-hard under polynomial-time n[superscript o(1)]-tt reductions is p-superterse unless P = NP. In particular no p-selective set is NP-hard under polynomial-time n[superscript o(1)]-tt reductions unless P = NP. In addition, no easily countable set is NP-hard under Turing reductions unless P = NP. Self- reducibility does not seem to suffice for our main result: in a relativized world, we construct a d-self-reducible set in NP - P that is polynomial- time 2-tt reducible to a p-selective set." |
Umfang: | 15 S. |
Internformat
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041 | 0 | |a eng | |
100 | 1 | |a Beigel, Richard |e Verfasser |4 aut | |
245 | 1 | 0 | |a Approximable sets |c R. Beigel ; M. Kummer ; F. Stephan |
264 | 1 | |a Amsterdam |c 1993 | |
300 | |a 15 S. | ||
336 | |b txt |2 rdacontent | ||
337 | |b n |2 rdamedia | ||
338 | |b nc |2 rdacarrier | ||
490 | 1 | |a Centrum voor Wiskunde en Informatica <Amsterdam> / Department of Computer Science: Report CS |v 93,72 | |
520 | 3 | |a Abstract: "Much structural work on NP-complete sets has exploited SAT's d-self-reducibility. In this paper we exploit the additional fact that SAT is a d-cylinder to show that NP-complete sets are p-superterse unless P = NP. In fact, every set that is NP-hard under polynomial-time n[superscript o(1)]-tt reductions is p-superterse unless P = NP. In particular no p-selective set is NP-hard under polynomial-time n[superscript o(1)]-tt reductions unless P = NP. In addition, no easily countable set is NP-hard under Turing reductions unless P = NP. Self- reducibility does not seem to suffice for our main result: in a relativized world, we construct a d-self-reducible set in NP - P that is polynomial- time 2-tt reducible to a p-selective set." | |
650 | 4 | |a Set theory | |
700 | 1 | |a Kummer, Martin |e Verfasser |4 aut | |
700 | 1 | |a Stephan, Frank |e Verfasser |4 aut | |
810 | 2 | |a Department of Computer Science: Report CS |t Centrum voor Wiskunde en Informatica <Amsterdam> |v 93,72 |w (DE-604)BV008928356 |9 93,72 | |
943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-006760282 |
Datensatz im Suchindex
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any_adam_object | |
author | Beigel, Richard Kummer, Martin Stephan, Frank |
author_facet | Beigel, Richard Kummer, Martin Stephan, Frank |
author_role | aut aut aut |
author_sort | Beigel, Richard |
author_variant | r b rb m k mk f s fs |
building | Verbundindex |
bvnumber | BV010177791 |
ctrlnum | (OCoLC)31639680 (DE-599)BVBBV010177791 |
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id | DE-604.BV010177791 |
illustrated | Not Illustrated |
indexdate | 2024-12-20T09:49:22Z |
institution | BVB |
language | English |
oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-006760282 |
oclc_num | 31639680 |
open_access_boolean | |
physical | 15 S. |
publishDate | 1993 |
publishDateSearch | 1993 |
publishDateSort | 1993 |
record_format | marc |
series2 | Centrum voor Wiskunde en Informatica <Amsterdam> / Department of Computer Science: Report CS |
spelling | Beigel, Richard Verfasser aut Approximable sets R. Beigel ; M. Kummer ; F. Stephan Amsterdam 1993 15 S. txt rdacontent n rdamedia nc rdacarrier Centrum voor Wiskunde en Informatica <Amsterdam> / Department of Computer Science: Report CS 93,72 Abstract: "Much structural work on NP-complete sets has exploited SAT's d-self-reducibility. In this paper we exploit the additional fact that SAT is a d-cylinder to show that NP-complete sets are p-superterse unless P = NP. In fact, every set that is NP-hard under polynomial-time n[superscript o(1)]-tt reductions is p-superterse unless P = NP. In particular no p-selective set is NP-hard under polynomial-time n[superscript o(1)]-tt reductions unless P = NP. In addition, no easily countable set is NP-hard under Turing reductions unless P = NP. Self- reducibility does not seem to suffice for our main result: in a relativized world, we construct a d-self-reducible set in NP - P that is polynomial- time 2-tt reducible to a p-selective set." Set theory Kummer, Martin Verfasser aut Stephan, Frank Verfasser aut Department of Computer Science: Report CS Centrum voor Wiskunde en Informatica <Amsterdam> 93,72 (DE-604)BV008928356 93,72 |
spellingShingle | Beigel, Richard Kummer, Martin Stephan, Frank Approximable sets Set theory |
title | Approximable sets |
title_auth | Approximable sets |
title_exact_search | Approximable sets |
title_full | Approximable sets R. Beigel ; M. Kummer ; F. Stephan |
title_fullStr | Approximable sets R. Beigel ; M. Kummer ; F. Stephan |
title_full_unstemmed | Approximable sets R. Beigel ; M. Kummer ; F. Stephan |
title_short | Approximable sets |
title_sort | approximable sets |
topic | Set theory |
topic_facet | Set theory |
volume_link | (DE-604)BV008928356 |
work_keys_str_mv | AT beigelrichard approximablesets AT kummermartin approximablesets AT stephanfrank approximablesets |