174 search results - page 30 / 35 » Permutation Groups in NC |
160
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CADE
2002
Springer
16 years 6 months ago
2002
Springer
We show that a conjunctive normal form (CNF) formula F is unsatisfiable iff there is a set of points of the Boolean space that is stable with respect to F. So testing the satisfiab...
142
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ISSAC
2009
Springer
16 years 16 days ago
2009
Springer
In this work we relate the deterministic complexity of factoring polynomials (over finite fields) to certain combinatorial objects, we call m-schemes, that are generalizations o...
143
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ISCAS
2008
IEEE
16 years 12 days ago
2008
IEEE
— Recently four chaos-based image encryption schemes were proposed. Essentially, the four schemes can be classified into one class, which is composed of two basic parts: permuta...
153
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ICDE
2007
IEEE
16 years 9 days ago
2007
IEEE
Privacy is a serious concern when microdata need to be released for ad hoc analyses. The privacy goals of existing privacy protection approaches (e.g., -anonymity and -diversity) ...
122
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ICA
2007
Springer
16 years 4 days ago
2007
Springer
A common problem in independent component analysis after prewhitening is to optimize some contrast on the orthogonal or unitary group. A popular approach is to optimize the contras...