318 search results - page 17 / 64 » Preimage Relations and Their Matrices |
CORR
2008
Springer
13 years 8 months ago
2008
Springer
The linear programming method is applied to the space Un(C) of unitary matrices in order to obtain bounds for codes relative to the diversity sum and the diversity product. Theore...
DM
2008
13 years 8 months ago
2008
We determine the number of alternating parity sequences that are subsequences of an increasing m-tuple of integers. For this and other related counting problems we find formulas th...
DM
2008
13 years 8 months ago
2008
The use of amicable sets of eight circulant matrices and four negacyclic matrices to generate orthogonal designs is relatively new. We find all 1841 possible orthogonal designs of...
BMCBI
2006
13 years 8 months ago
2006
Background: Quantitative descriptions of amino acid similarity, expressed as probabilistic models of evolutionary interchangeability, are central to many mainstream bioinformatic ...
SODA
2010
ACM
14 years 6 months ago
2010
ACM
We consider the following "efficiently decodable" nonadaptive group testing problem. There is an unknown string x {0, 1}n with at most d ones in it. We are allowed to t...