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Approximation of Ridge Functions and Sparse Additive Models

Presented by: 
Jan Vybiral Charles University, Prague
Date: 
Monday 18th February 2019 - 13:40 to 14:15
Venue: 
INI Seminar Room 1
Abstract: 
The approximation of smooth multivariate functions is known to suffer the curse of dimension. We discuss approximation of structured multivariate functions, which take the form of a ridge, their sum, or of the so-called sparse additive models. We give also results about optimality of such algorithms.
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Presentation Material: 
University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons