Abstract.
In the class of stratified groups endowed with a left invariant Carnot-Carathéodory distance, we give an algebraic characterization of purely unrectifiable groups and we study rigidity properties. The main feature of our approach is the use of a suitable area formula with respect to the Carnot-Carathéodory distance.
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Received: 8 March 2004
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Magnani, V. Unrectifiability and rigidity in stratified groups. Arch. Math. 83, 568–576 (2004). https://doi.org/10.1007/s00013-004-1057-4
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DOI: https://doi.org/10.1007/s00013-004-1057-4