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Sampling From Stratified Spaces

dc.contributor.advisor Miller, Ezra
dc.contributor.author Tran, Do Van
dc.date.accessioned 2020-06-09T17:59:33Z
dc.date.available 2020-06-09T17:59:33Z
dc.date.issued 2020
dc.identifier.uri https://hdl.handle.net/10161/20974
dc.description Dissertation
dc.description.abstract <p>This dissertation studies Central Limit Theorems (CLTs) of Frechet means on stratified spaces. The broad goal of this work is to answer the following question: What information one should expect to get by sampling from a stratified space? In particular, this work explores relationships between geometry and different forms of CLT, namely classic, smeary and sticky. The work starts with explicit forms of CLTs for spaces of constant sectional curvature. As a consequence, we explain the effect of sectional curvature on the behaviors of Frechet means. We then give a sufficient condition for a smeary CLT to occur on spheres. In the later part, we propose a general form of CLT for star shaped Riemannian stratified spaces. The general CLT we propose is universal in the sense that it contains all of the different forms of aforementioned CLTs. The proposed CLT is verified on manifolds and on any flat 2-dimensional spaces with an isolated singularity.</p>
dc.subject Mathematics
dc.subject Central Limit Theorems
dc.subject Frechet means
dc.subject Stratified spaces
dc.title Sampling From Stratified Spaces
dc.type Dissertation
dc.department Mathematics


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