A typical microarray experiment attempts to ascertain which genes display differential expression in different samples. We model the data by using a two-component mixture model and develop an empirical Bayesian thresholding procedure, which was originally introduced for thresholding wavelet...

The financial market is a complex dynamical system composed of a large variety of intricate relationships between several entities, such as banks, corporations and institutions. At the heart of the system lies the stock exchange mechanism, which establishes a time-evolving network of...

A number of packaging problems involve optimization of costs subject to constraints imposed by the geometry of the alternatives. One such problem arises in those consumer goods warehousing systems which pack a large number of similar products, differing in size, into individual boxes for...