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13 papers · 1 filter
The Normal Defect of Some Classes of Matrices
Ryan D. Wasson, Hugo J. Woerdeman
An n \times n matrix A has a normal defect of k if there exists an (n+k) \times (n+k) normal matrix A_{ext} with A as a leading principal submatrix and k minimal. In this paper we…
Electronic structure and magnetism in two-dimensional hexagonal 5d transition metal carbides, Tan+1Cn (n=1,2,3)
Nina J. Lane, Michel W. Barsoum, James M. Rondinelli
Density functional calculations are used to investigate the electronic structure of two-dimensional 5d tantalum carbides with honeycomb-like lattice structures. We focus on changes…
Experiments with Game Tree Search in Real-Time Strategy Games
Santiago Ontanon
Game tree search algorithms such as minimax have been used with enormous success in turn-based adversarial games such as Chess or Checkers. However, such algorithms cannot be direc…
Bayesian empirical likelihood for quantile regression
Yunwen Yang, Xuming He
Bayesian inference provides a flexible way of combining data with prior information. However, quantile regression is not equipped with a parametric likelihood, and therefore, Bayes…
A new algorithm for extracting a small representative subgraph from a very large graph
Harish Sethu, Xiaoyu Chu
Many real-world networks are prohibitively large for data retrieval, storage and analysis of all of its nodes and links. Understanding the structure and dynamics of these networks…
A Fitness Model for Scholarly Impact Analysis
Weimao Ke
We propose a model to analyze citation growth and influences of fitness (competitiveness) factors in an evolving citation network. Applying the proposed method to modeling citation…