49 search results - page 3 / 10 » A q-enumeration of alternating permutations |
EJC
2007
13 years 7 months ago
2007
We present various techniques to count proportions of permutations with restricted cycle structure in finite permutation groups. For example, we show how a generalized block theo...
ASAP
2003
IEEE
14 years 1 months ago
2003
IEEE
Symmetric-key block ciphers encrypt data, providing data confidentiality over the public Internet. For inter-operability reasons, it is desirable to support a variety of symmetric...
WADS
1989
Springer
13 years 11 months ago
1989
Springer
rees can be used for representing abstract data types such as dictionaries and ordered lists. They work well when the elements are inserted in a random order. Some sequences of ope...
ICML
2007
IEEE
14 years 8 months ago
2007
IEEE
We introduce a new inference algorithm for Dirichlet process mixture models. While Gibbs sampling and variational methods focus on local moves, the new algorithm makes more global...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
In this paper, we propose to use the scaling ambiguity of convolutive blind source separation for shortening the unmixing filters. An often used approach for separating convoluti...