Math Department
Calendar of Events
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Applied Math Seminar – Shibin Dai, University of Alabama
Applied Math Seminar – Shibin Dai, University of Alabama
Title: Mean field models for thin film droplet coarsening Abstract: A thin liquid film coating a solid substrate is unstable and the late stage morphology is essentially quasiequilibrium droplets connected by an ultra thin film. Droplets exchange mass and coarsening occurs — the total number of droplets N(t) decreases while the average size of droplets
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Applied Math Seminar – Brendan Ames, University of Alabama
Applied Math Seminar – Brendan Ames, University of Alabama
Title: Exact clustering by semidefinite programming under the heterogeneous planted cluster model. Abstract: Clustering, or the sorting of data into groups of similar items, is a fundamental task in machine learning and statistical analysis. Until recently, most computational methods for clustering relied on heuristics with no theoretical guarantee ensuring that clusters present in the data
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Applied Math Seminar – Yuhui Chen, University of Alabama
Applied Math Seminar – Yuhui Chen, University of Alabama
Title: Bayesian Nonparametric Models and Its Applications Abstract: Polya tree priors are random probability measures that are easily centered at standard parametric families, such as the normal. As such, they provide a convenient avenue toward creating a parametric/nonparametric model for data. Briefly, we center a Polya tree at an initial parametric guess on data; then