Variation formulas for H-rectifiable sets
Mattia Fogagnolo, Roberto Monti, Davide Vittone · Annales Academiae Scientiarum Fennicae Mathematica · 2017
We compute a first-and second-variation formula for the area of H-rectifiable sets in the Heisenberg group along a contact flow.In particular, the formula holds for sets with locally finite H-perimeter, with no further regularity.