[Ml-stat-talks] Fwd: Reminder: PACM Colloquium 4/7/14

David Blei blei at CS.Princeton.EDU
Fri Apr 4 19:31:43 EDT 2014


good talk on monday.

--d


---------- Forwarded message ----------
From: Valerie Marino <vmarino at math.princeton.edu>
Date: Fri, Apr 4, 2014 at 8:58 AM
Subject: Reminder: PACM Colloquium 4/7/14
To:


 DATE: Monday,  April 7,  2014

PLACE: 214 Fine Hall

TIME: 4:30 pm

SPEAKER: Risi Kondor - University of Chicago

TITLE: Multiresolution Matrix Factorization
ABSTRACT:

Matrices that appear in modern data analysis and machine learning problems
often have complex hierarchical structures that go beyond what can be
uncovered by traditional linear algebra tools, such as eigendecompositions.
Inspired by ideas from multiresolution analysis, we introduce a new notion
of matrix factorization that can capture structure in matrices at multiple
different scales. The resulting Multiresolution Matrix Factorizations
(MMFs) not only provide a wavelet basis for sparse approximation, but can
also be used for matrix compression and as a prior for matrix completion.
The work presented in this talk was done jointly with Nedelina Teneva and
Vikas Garg.


 --
Valerie Marino
Program Secretary
Program in Applied & Computational Mathematics
Tel: 609-258-3703
Fax: 609-258-1735
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