Algebraic representation theory and cluster categories constitute a vibrant research area that bridges abstract algebra, category theory and combinatorics. In this field, algebraic structures are ...

Here is a cluster representation of some of the major markets that are traded internationally. The groupings were formed using data over the past year with a clustering algorithm that is proprietary ...

NASA’s Chandra Observatory captures a composite image of the Champagne Cluster, showing two merging galaxy clusters, hot gas distribution and dark matter structures.