Baldi, B. Franchi and M. C. Tesi, Compensated compactness in the contact complex of Heisenberg groups, Indiana Univ. Math. J. 81 (2008) 133--174.
N. Arcozzi and A. Baldi, From Gruschin to Heisenberg via an isoperimetric problem, J. Math. Anal. Appl. 340 (2008) 165--174.
A. Baldi, B. Franchi and M.C. Tesi,
(2007). Compensated compactness, div--curl theorem and
H-convergence in general Heisenberg groups,
Proceedings
of the Meeting "Subelliptic pde's and applications to geometry
and finance". Subelliptic pde's and applications to
geometry and finance. Cortona. 12-17 giugno 2006. vol. 6 (2007)
33--47.
A. Baldi, B. Franchi and M. C. Tesi, Compensated compactness, div-curl theorem and $H$-convergence in general Heisenberg groups. Subelliptic PDE's and applications to geometry and finance, Lect. Notes Semin. Interdiscip. Mat., 6, Semin. Interdiscip. Mat. (S.I.M.), Potenza, 2007 (2007) 33--47.
A. Baldi, B. Franchi and M. C. Tesi, Fundamental solution and sharp $L\sp p$ estimates for Laplace operators in the contact complex of Heisenberg groups, Ric. Mat. 55 (2006), no. 1, 119--144.
A. Baldi and B. Franchi, Mumford-Shah type functionals associated with doubling metric measures, Prooceedings of the Royal Society of Edinburgh, sec. A, vol. 135A (2005), 1--23.
A. Baldi and M.C. Tesi, A Gamma-convegence approach to non-periodic homogenization of strongly anisotropic functionals, Mathematical Models and Methods in Applied Sciences. vol. 14-(12) (2004), 1735--1759.
A. Baldi and B. Franchi, A $\Gamma$-convergence result for doubling metric measures and associated perimeters, Calc. Var. Partial Differential Equations 16 (2003), no. 3, 283--298.
A. Baldi, Weighted BV functions, Houston J. Math. 27 (2001), no. 3, 683--705.
A. Baldi, B. Franchi and G. Lu, An existence result for a class of semilinear subelliptic PDE's, Contributions in honor of the memory of Ennio De Giorgi (Italian). Ricerche Mat. 49 (2000), suppl., 177--193.
A. Baldi, A non-existence problem for degenerate elliptic PDE's, Comm. Partial Differential Equations 25 (2000), no. 7-8, 1371--1398.
A. Baldi, B. Franchi and M.C. Tesi, A finite element approximation and uniform error estimates for degenerate elliptic equations, Matematiche (Catania) 54 (1999), suppl., 49--60.
