[Seminario] INVITACION SEMINARIO MATEMÁTICAS DISCRETAS, MIÉRCOLES 28 A LAS 14:30 HRS.
Maria Ines
mrivera en dim.uchile.cl
Mie Dic 21 10:11:00 CLST 2016
Estimados Académicos y Alumnos,
Se les invita para el próximo Miércoles 28 de Diciembre a las 14:30 hrs,
al Seminario Matemáticas Discretas, este seminario se realizará en la
sala John Von Neumann CMM, Beauchef 851, Torre Norte, Piso 7, (ingreso
por ascensores torre poniente, piso 7).
/*
SEMINARIO
MATEMÁTICAS DISCRETAS
EXPOSITOR
Luis Rademacher.
U. of California, Davis
TITULO:
Provably efficient high dimensional feature extraction
Abstract:*/
The goal of inference is to extract information from data. A basic
building block in high dimensional inference is feature extraction, that
is, to compute functionals of given data that represent it in a way that
highlights some underlying structure. For example, Principal Component
Analysis is an algorithm that finds a basis to represent data that
highlights the property of data being close to a low-dimensional
subspace. A fundamental challenge in high dimensional inference is the
design of algorithms that are provably efficient and accurate as the
dimension grows. In this context, I will describe two well-established
feature extraction techniques: column subset selection (CSS) and
independent component analysis (ICA). I will also present work by my
coauthors and myself on CSS with optimal approximation guarantees, new
applications of ICA and ICA for heavy-tailed distributions.
Miércoles 28 de Diciembre a las 14:30 hrs. Sala de Seminarios John Von
Neumann CMM, Torre Norte, Piso 7.
Esperando contar con su presencia, les saluda,
Ma. Inés Rivera
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