49 search results - page 1 / 10 » A q-enumeration of alternating permutations |
COMBINATORICS
2007
13 years 4 months ago
2007
We determine the limiting distributions of the longest alternating subsequence for pattern-restricted permutations in which the pattern is any one of the six patterns of length th...
TCS
2008
13 years 4 months ago
2008
We prove that it is decidable whether a finitely based permutation class contains infinitely many simple permutations, and establish an unavoidable substructure result for simple ...
IJES
2008
13 years 5 months ago
2008
Block ciphers are used to encrypt data and provide data confidentiality. For interoperability reasons, it is desirable to support a variety of block ciphers efficiently. Of the bas...
EJC
2010
13 years 5 months ago
2010
A classical result of Euler states that the tangent numbers are an alternating sum of Eulerian numbers. A dual result of Roselle states that the secant numbers can be obtained by a...
ICMCS
2006
IEEE
13 years 11 months ago
2006
IEEE
1 Low bitrates enabled by the H.264/AVC standard come at the cost of significant decoding complexity. The problem is exacerbated when multi-view video coding (MVC), presently being...