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Quasi-isometric Hyperbolic and Cusped Relatively Hyperbolic Groups are Symmetric Prof. Genevieve Walsh Professor of Mathematics Tufts University This talk will first describe hyperbolic groups and relatively hyperbolic group pairs, and give some key examples. We then delve into understanding when …

A Short Course in Spectral Graph Theory Prof. Steve Butler Morrill Professor of Mathematics Iowa State University Graphs are used to model relationships (edges) between objects (vertices). A graph's structure can efficiently stored in an array format. We can go …