Papers


Preprints
Algorithms for computing the optimal Lipschitz constant of interpolants with Lipschitz derivative
Submitted
2013
pdf, arXiv

A general theorem of existence of quasi absolutely minimal Lipschitz extensions
With Erwan Le Gruyer
Submitted
2012
pdf, arXiv, HAL

Peer Reviewed Publications
Diffusion maps for changing data
With Ronald R. Coifman
To appear in Applied and Computational Harmonic Analysis
2013
pdf, arXiv, ScienceDirect

Bi-stochastic kernels via asymmetric affinity functions
With Ronald R. Coifman
Applied and Computational Harmonic Analysis
Volume 35, Number 1
Pages 177-180
2013
pdf, arXiv, ScienceDirect

Sparse endmember extraction and demixing
With Martin Ehler
Proceedings of IEEE 2012 International Geoscience and Remote Sensing Symposium
Pages 1385-1388
Munich, Germany
July 22-27, 2012
pdf, IEEE Xplore

The number of harmonic frames of prime order
Linear Algebra and Its Applications
Volume 432, Number 5
Pages 1105-1125
2010
pdf, arXiv, ScienceDirect

Wavelet packets for multi- and hyper-spectral imagery
With John J. Benedetto, Wojciech Czaja, Martin Ehler, and Justin C. Flake
Proceedings of IS&T/SPIE Electronic Imaging 2010, Wavelet Applications in Industrial Processing VII
Volume 7535
San Jose, California
January, 2010
pdf, SPIE

Frame based kernel methods for automatic classification in hyperspectral data
With John J. Benedetto, Wojciech Czaja, and Justin C. Flake
Proceedings of IEEE 2009 International Geoscience and Remote Sensing Symposium
Volume 4
Pages 697-700
Cape Town, South Africa
July 12-17, 2009
pdf, IEEE Xplore

The refinability of step functions
Proceedings of the American Mathematical Society
Volume 136, Number 3
Pages 899-908
2008
pdf, AMS

Expository Articles
Distinguished lecture series: Assaf Naor on the Lipschitz extension problem
Fields Notes
Volume 12, Number 3
Page 14
Winter 2013
pdf, Fields

Unpublished Notes
Frames for subspaces of C^N
With David Widemann
2007
pdf

Dissertation
Enumeration of harmonic frames and frame based dimension reduction
Department of Mathematics
University of Maryland
2009
pdf