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» Dualizability and graph algebras
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EJC
2007
13 years 7 months ago
The origins of combinatorics on words
We investigate the historical roots of the field of combinatorics on words. They comprise applications and interpretations in algebra, geometry and combinatorial enumeration. The...
Jean Berstel, Dominique Perrin
ICML
2006
IEEE
14 years 8 months ago
Higher order learning with graphs
Recently there has been considerable interest in learning with higher order relations (i.e., three-way or higher) in the unsupervised and semi-supervised settings. Hypergraphs and...
Sameer Agarwal, Kristin Branson, Serge Belongie
DIAGRAMS
2008
Springer
13 years 9 months ago
Supporting Reasoning and Problem-Solving in Mathematical Generalisation with Dependency Graphs
Abstract. We present a brief description of the design of a diagrambased system that supports the development of thinking about mathematical generalisation. Within the software, th...
Sergio Gutiérrez Santos, Darren Pearce, Eir...
COMBINATORICS
2006
221views more  COMBINATORICS 2006»
13 years 7 months ago
Kernels of Directed Graph Laplacians
Abstract. Let G denote a directed graph with adjacency matrix Q and indegree matrix D. We consider the Kirchhoff matrix L = D - Q, sometimes referred to as the directed Laplacian. ...
John S. Caughman IV, J. J. P. Veerman
IAT
2006
IEEE
14 years 1 months ago
A Labeled Graph Approach to Analyze Organizational Performance
Determining the performance of an organization is a must for both human and multi-agent organizations. The performance analysis enables organizations to uncover unexpected propert...
Mark Hoogendoorn, Jan Treur, Pinar Yolum