TY  - JOUR 
AU  - Ritoré Cortés, Manuel María
PY  - 2017
UR  - http://hdl.handle.net/10481/66666
AB  - In the present paper we consider the Carnot–Carathéodory distance δE to a closed set E in the
sub-RiemannianHeisenberg groupsℍn, n ⩾ 1. Theℍ-regularity of δE is proved under mild conditions involving
a general notion of singular points. In case E is...
LA  - eng
PB  - Walter De Gruyter Gmbh
KW  - Heisenberg group
KW  - Carnot–Carathéodory distance
KW  - tubular neighborhoods
KW  - Distance function
KW  - Singular set
KW  - Steiner’s formula
TI  - Tubular neighborhoods in the sub-Riemannian Heisenberg groups
DO  - 10.1515/acv-2017-0011
ER  -