• B. Franchi, R. Serapioni, F. Serra Cassano: Rectifiability and perimeter in the Heisenberg group. Math.Ann. 321, 479--531, (2001)

  • B. Franchi, R. Serapioni, F. Serra Cassano: Regular hypersurfaces, intrinsic perimeter and implicit function theorem in Carnot groups. Comm. Anal. Geom. 11, no 5, 909--944, (2003)

  • B. Franchi, R. Serapioni, F. Serra Cassano: On the structure of finite perimeter sets in step 2 Carnot groups. The Journal of Geometric Analysis 13, no 3, 421--466, (2003)

  • B. Franchi, R. Serapioni, F. Serra Cassano: Intrinsic Lipschitz graphs in Heisenberg groups. (2006)

  • B. Franchi, R. Serapioni, F. Serra Cassano: Regular submanifolds, graphs and area formula in Heisenberg groups . Advances in Math, 211,1 (2007), 152-203

  • G. Arena, R. Serapioni: H-regular submanifolds in Heisenberg groups are intrinsic graphs. Calc.Var and P.D.E. v. 35, n. 4 (2009), 517-536.

  • B. Franchi, R. Serapioni, F. Serra Cassano: Differentiability of Intrinsic Lipschitz Functions Within Heisenberg Groups , J. Geom. Anal. 21 (2011), no. 4, 1044-1084.

    Errata Corrige of Differentiability of Intrinsic Lipschitz Functions Within Heisenberg Groups.

  • R. Serapioni: Rectifiable sets in Carnot groups. Lecture Notes of Seminario Interdisciplinare di Matematica Vol.7 (2008), 249-267

  • P. Mattila, R. Serapioni, F. Serra Cassano: Characterizations of intrinsic rectifiability in Heisenberg groups, Ann. Scuola Norm.Sup.Pisa, Classe Di Scienze, v. IX, n. 4 (2010), p.687-723.

  • B. Franchi, V. Penso, R. Serapioni: Remarks on Lipschitz domains in Carnot groups, in Geometric Control Theory and sub-Riemannian Geometry, Springer, Series: Springer INdAM Series, Vol. 5, Stefani, G.; Boscain, U.; Gauthier, J.-P.; Sarychev, A.; Sigalotti, M. (Eds.) (2014)

  • B. Franchi, R. Serapioni: Intrinsic Lipschitz Graphs within Carnot groups, DOI: 10.1007/s12220-015-9615-5 in publication on "The Journal of Geometric Analysis" (2015)

  • M. Lecca, S. Messelodi, R. Serapioni: A New Region-based Active Contour Model for Object Segmentation, J. Math. Imaging Vis., DOI 10.1007/s10851-015-0574-z (2015)

  • B. Franchi, M. Marchi, R. Serapioni: Differentiability and Approximate Differentiability for Intrinsic Lipschitz Functions in Carnot groups and a Rademacher Theorem, Analysis and Geometry in Metric Spaces, Vol 2, (2015).

  • B. Franchi, R. Serapioni, F. Serra Cassano: Area Formula for Centered Hausdorff Measures in Metric Spaces, in publication on Sub-Riemannian Geometric Analysis and PDE's (2015).