# Seminars for the Week of Monday, April 20, 2015

**Graduate Student Seminar:**April 24, 2:30 PM:**TBA.****Graduate Analysis Seminar**April 24, 10aM:*Short Research Talks***Number Theory Seminar:**April 23, 2:40PM:**Kevin McGown,**Ursinus College,*The Euclidean Algorithm in Cyclic Quintic Fields II.***Probability Seminar:**April 21, 2015,**Alexander Drewitz**, Columbia (@ Temple)*The maximal particle of branching random walk in random environment.***Higher Structures in Algebra, Geometry, and Physics:**No seminar this week.**Big Problems / Big Ideas:**No seminar this week.**Analysis Seminar:**April 20, 2:40PM:**Zhihua Du**, Jinan Universi/ty.*Higher order Poisson Kernels and**L*polyharmonic boundary value problems in Lipschitz domains.^{p}**Algebra Seminar:**April 20, 1:30 PM:**Ismar Volic**, Wellesley College,*Homotopy-theoretic methods in the study of spaces of knots and links***Colloquium:**No seminar this week.**Geometry-Topology Seminar:**No seminar this week.**Applied Mathematics and Scientific Computing Seminar:**April 22, 2015, 4:00pM:**Emanuel Lazar**, University of Pennsylvania,*A topological framework for structure analysis in spatial point sets*.