On the complexity of intersecting finite state automata and NL versus NP
| dc.contributor.author | Karakostas, G. | en |
| dc.contributor.author | Lipton, R. J. | en |
| dc.contributor.author | Viglas, A. | en |
| dc.date.accessioned | 2015-11-24T17:26:32Z | |
| dc.date.available | 2015-11-24T17:26:32Z | |
| dc.identifier.issn | 0304-3975 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/13222 | |
| dc.rights | Default Licence | - |
| dc.subject | complexity class separations | en |
| dc.subject | nl | en |
| dc.subject | np | en |
| dc.subject | finite state automata intersection | en |
| dc.subject | space | en |
| dc.subject | time | en |
| dc.title | On the complexity of intersecting finite state automata and NL versus NP | en |
| heal.abstract | We consider uniform and non-uniform assumptions for the hardness of an explicit problem from finite state automata theory. First we show that a small improvement in the known straightforward algorithm for this problem can be used to design faster algorithms for subset sum and factoring, and improved deterministic simulations for non-deterministic time. On the other hand, we can use the same improved algorithm for our FSA problem to prove complexity class separation results (NL is not equal to P, or NP for the non-uniform case). This result can be viewed either as a hardness result for the FSA intersection problem, or as a method for separating NL from P or NP. It is interesting to note that this approach is based on a more general method for separating two complexity classes, using algorithms rather than lower bounds. (C) 2002 Elsevier Science B.V. All rights reserved. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.primary | Doi 10.1016/S0304-3975(02)00830-7 | - |
| heal.identifier.secondary | <Go to ISI>://000183608800013 | - |
| heal.identifier.secondary | http://ac.els-cdn.com/S0304397502008307/1-s2.0-S0304397502008307-main.pdf?_tid=610c34ee-873f-11e3-8d47-00000aab0f6c&acdnat=1390819383_8cb4ebf5ca7cd5001a8bfc9357c9c764 | - |
| heal.journalName | Theoretical Computer Science | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 2003 | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μαθηματικών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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