Very good find, thanks for that. I recall that Peter Bubenik is working on a similar approach. His recent paper about "Persistence landscape" is also quite acce

Very good find, thanks for that. I recall that Peter Bubenik is working on a similar approach. His recent paper about "Persistence landscape" is also quite accessible, in my opinion: http://arxiv.org/abs/1207.6437 http://arxiv.org/abs/1207.6437