By Luca Capogna,Donatella Danielli,Scott D. Pauls,Jeremy Tyson
This ebook supplies an updated account of development on Pansu's celebrated challenge at the sub-Riemannian isoperimetric profile of the Heisenberg crew. It additionally serves as an advent to the overall box of sub-Riemannian geometric research. It develops the tools and instruments of sub-Riemannian differential geometry, nonsmooth research, and geometric degree conception compatible for assaults on Pansu's problem.
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