514 search results - page 10 / 103 » On the Structure of Valiant's Complexity Classes |
166
click to vote
ESWA
2008
15 years 6 months ago
2008
In this paper a novel complex classifier architecture is proposed. The architecture has a hierarchical tree-like structure with simple artificial neural networks (ANNs) at each no...
141
click to vote
FCS
2006
15 years 7 months ago
2006
The displacement structure is extended to a Kronecker matrix W Z. A new class of Kronecker-like matrices with the displacement rank r, r < n will be formulated and presented. ...
170
click to vote
BMCBI
2007
15 years 6 months ago
2007
Background: We investigate the empirical complexity of the RNA secondary structure design problem, that is, the scaling of the typical difficulty of the design task for various cl...
142
click to vote
ICC
2007
IEEE
16 years 9 days ago
2007
IEEE
Abstract - We propose a new space-time code (STC) structure that can achieve generalized optimal diversity (GOD) with a reduced design complexity, and also provide an increased cod...
162
click to vote
FOCS
2003
IEEE
15 years 11 months ago
2003
IEEE
We give a complexity theoretic classification of homomorphism problems for graphs and, more generally, relational structures obtained by restricting the left hand side structure ...