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Analysis Seminar – Fernando Lopez-Garcia (Cal State Poly – Pomona)
October 9, 2020 @ 3:00 pm - 4:00 pm
Title: A local-to-global method for inequalities in weighted Sobolev spaces.
Abstract: In this talk, we will discuss a certain local-to-global technique with applications to inequalities in weighted Sobolev spaces, such as fractional Poincaré-type inequalities and Korn and conformal Korn inequalities. This technique is based on a certain decomposition of functions that extends the validity of the inequalities from cubes or regular domains to more general Euclidean domains, including John domains and Holder-domains, and weighted spaces. Some estimations of the optimal constants are also obtained.