Speaker: Harry Crane (Rutgers) Title: Probabilistic symmetries in networks I discuss various refinements and extensions of the principle of exchangeability, focusing on 3 specific cases: 1. Relative exchangeability, by which the distribution of a random graph is invariant with respect … Continue reading →

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Title: Genealogies in growing sold tumors Abstract: Over the past decade, the theory of tumor evolution has largely focused on the selective sweeps model. According to this theory, tumors evolve by a succession of clonal expansions that are initiated by … Continue reading →

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Title: Compressing Networks with Super Nodes Abstract:  Community detection is a commonly used technique for identifying cohesive groups of nodes in a network, based on similarities in connectivity patterns. To facilitate community detection in large networks, we recast the original network … Continue reading →

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Title: Pseudo-random graphs and applications Abstract: Please see here

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