Porosity, Differentiability and Pansu's Theorem
2016
We use porosity to study differentiability of Lipschitz maps on Carnot groups. Our first result states that directional derivatives of a Lipschitz function act linearly outside a $\sigma$-porous set. The second result states that irregular points of a Lipschitz function form a $\sigma$-porous set. We use these observations to give a new proof of Pansu's theorem for Lipschitz maps from a general Carnot group to a Euclidean space.
Keywords:
- Correction
- Cite
- Save
- Machine Reading By IdeaReader
14
References
1
Citations
NaN
KQI