V. Tscharne, Subspace Identification and Classification of Healthy Human Gait, PLoS ONE, 2013.

H. Edelsbrunner, Topological persistence and simplification, Discrete & Computational Geometry, 2002.
DOI : 10.1109/sfcs.2000.892133

URL : http://graphics.stanford.edu/~afra/papers/focs00/dcg.ps.gz

P. Bendich, Computing Robustness and Persistence for Images, IEEE Transactions on Visualization and Computer Graphics, vol.16, issue.6, 2010.
DOI : 10.1109/TVCG.2010.139

URL : http://www.mpi-sb.mpg.de/%7Emkerber/bek-crpi-2010.pdf

D. Cohen-steiner, Lipschitz functions have Lp-stable persistence, Found, Comput. Math, vol.10, issue.2, pp.127-139, 2010.
DOI : 10.1007/s10208-010-9060-6