@article{Vecchi_2016, title={Steiner Formula and Gaussian Curvature in the Heisenberg Group}, volume={7}, url={https://mathematicalanalysis.unibo.it/article/view/6693}, DOI={10.6092/issn.2240-2829/6693}, abstractNote={<p>The classical Steiner formula expresses the volume of the ∈-neighborhood Ω<sub>∈ </sub>of a bounded and regular domain Ω⊂R<sup>n</sup> as a polynomial of degree n in ∈. In particular, the coefficients of this polynomial are the integrals of functions of the curvatures of the boundary ∂Ω. The aim of this note is to present the Heisenberg counterpart of this result. The original motivation for studying this kind of extension is to try to identify a suitable candidate for the notion of horizontal Gaussian curvature. The results presented in this note are contained in the paper [4] written in collaboration with Zoltàn Balogh, Fausto Ferrari, Bruno Franchi and Kevin Wildrick</p>}, number={1}, journal={Bruno Pini Mathematical Analysis Seminar}, author={Vecchi, Eugenio}, year={2016}, month={Jan.}, pages={97–115} }