Sciweavers

2087 search results - page 356 / 418
» Computation of class numbers of quadratic number fields
Sort
View
BMCBI
2006
180views more  BMCBI 2006»
14 years 9 months ago
Building multiclass classifiers for remote homology detection and fold recognition
Motivation Protein remote homology prediction and fold recognition are central problems in computational biology. Supervised learning algorithms based on support vector machines a...
Huzefa Rangwala, George Karypis
JCB
2008
102views more  JCB 2008»
14 years 9 months ago
Canonical RNA Pseudoknot Structures
In this paper, we study k-noncrossing, -canonical RNA pseudoknot structures with minimum arc-length greater or equal to four. Let T OE4 k; .n/ denote the number of these structure...
Gang Ma, Christian M. Reidys
CORR
2007
Springer
94views Education» more  CORR 2007»
14 years 9 months ago
Size reduction of complex networks preserving modularity
The ubiquity of modular structure in real-world complex networks is being the focus of attention in many trials to understand the interplay between network topology and functionali...
Alex Arenas, J. Duch, A. Fernandez, Sergio G&oacut...
CORR
2007
Springer
104views Education» more  CORR 2007»
14 years 9 months ago
Separable convex optimization problems with linear ascending constraints
Separable convex optimization problems with linear ascending inequality and equality constraints are addressed in this paper. An algorithm that explicitly characterizes the optimum...
Arun Padakandla, Rajesh Sundaresan
JCT
2008
84views more  JCT 2008»
14 years 9 months ago
Minimally non-Pfaffian graphs
We consider the question of characterizing Pfaffian graphs. We exhibit an infinite family of non-Pfaffian graphs minimal with respect to the matching minor relation. This is in sha...
Serguei Norine, Robin Thomas