- Abstract:
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In this paper we extend the classical notion of strong and weak backdoor sets for SAT and CSP by allowing that different instantiations of the backdoor variables result in instances that belong to different base classes; the union of the base classes forms a heterogeneous base class. Backdoor sets to heterogeneous base classes can be much smaller than backdoor sets to homogeneous ones, hence they are much more desirable but possibly harder to find. We draw a detailed complexity landscape for ...
Expand abstract - Publication status:
- Published
- Peer review status:
- Peer reviewed
- Version:
- Publisher's version
- Files:
-
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(pdf, 691.5kb)
-
- Publisher copy:
- 10.1016/j.jcss.2016.10.007
-
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- Grant:
- CZ.1.07/2.3.00/30.0009
- Publisher:
- Elsevier Publisher's website
- Journal:
- Journal of Computer and System Sciences Journal website
- Volume:
- 85
- Pages:
- 38-56
- Publication date:
- 2016-11-05
- Acceptance date:
- 2016-10-23
- DOI:
- ISSN:
-
0022-0000 and 1090-2724
- Pubs id:
-
pubs:654370
- URN:
-
uri:88836faf-6750-41d2-8f9c-ba7c96a410c5
- UUID:
-
uuid:88836faf-6750-41d2-8f9c-ba7c96a410c5
- Local pid:
- pubs:654370
- Copyright holder:
- Živný et al
- Copyright date:
- 2016
- Notes:
- © 2016 The Author(s). Published by Elsevier Inc. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Journal article
Backdoors into heterogeneous classes of SAT and CSP
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