Vodop’yanov S. K., Isangulova D. V.
Differentiability of the mappings of Carnot-Caratheodory spaces
in the Sobolev and BV-topologies
We prove differentiability of the mappings of the Sobolev classes and
BV-mappings of Carnot-Carathéodory spaces in the topology
of these classes. We infer from these results a generalization of the
Calderon-Zygmund theorems for mappings of the Carnot-Caratheodory spaces
and other facts.