Isabeau Birindelli
"Second Order Elliptic Equations in General Domains: Hopf 's lemma and Anti-Maximum Principle" Tesi di Ph.D. (relatore L. Nirenberg)
"Hopf's lemma and Anti-maximum Principle in General Domains" Journal of Differential Equations (1995)
with M.A. Vivaldi "Non linear two-obstaces problems: Pointwise regularity" in Rendiconti di matematica, Serie VII (1994)
with A. Cutri' "A semi-linear problem for the Heisenberg Laplacian" Rendiconti del Seminario dell'Università di Padova(1995)
"Periodic solutions for a class of second order systems with a small forcing term" Nonlinear Analysis (1996)
with I. Capuzzo Dolcetta, A. Cutrì, Liouville theorems for semilinear equations on the Heisenberg group Annales de l'Institut Henri Poincar\'e-Analyse non lin\'eaire.(1997)
with E. Mitidieri, Liouville theorems for elliptic inequalities and applications Proceedings of the Royal Society of Edinburgh, vol 128A (1998)
with I. Capuzzo Dolcetta, A. Cutri, Indefinite semi-linear equations on the Heisenberg group: a priori bounds and existence Comm. Partial Differential Equations (1998)
Non linear Liouville Theorems, Proceedings of the meeting Reaction Diffusion Systems Marcel Dekker (1997).
with E. Mitidieri, G. Sweers, Maximum principle for system of equations in general domain Differential Equations-Differentil'nye Uravnenija (1998)
with S. Finzi Vita, Existence of solutions for quasi-linear elliptic systems of equations, No.D.E.A. (1999)
with J. Prajapat, Nonlinear Liouville theorems in the Heisenberg group via the moving plane method , Comm.Partial Differential Equations (1999).
with I. Capuzzo Dolcetta, Morse Index and Liouville Property for Superlinear Elliptic Equations on the Heisenberg Group ,Contributions in honor of the memory of Ennio De Giorgi (Italian). Ricerche Mat. 49 (2000),
with J. Giacomoni, Bifurcation problems for superlinear elliptic indefinite equations, Topological Methods in Nonlinear Analysis (2000)
with J. Prajapat, One dimensional symmetry in the Heisenberg group, Annali della Scuola Normale Superiore di Pisa (2001).
Superharmonic functions in the Heisenberg group: estimates and Liouville theorems, NoDeA (2003)
with J. Prajapat, Monotonicity results for Nilpotent stratified groups, Pacific Journal (2002)
with E. Lanconelli, A note on one dimensional symmetry in Carnot Groups} , Rend. Mat. Accademia dei Lincei. (2002)
with F. Demengel, On some partial differential equation for non coercive functional and critical Sobolev exponent. Differential and Integral Equations (2002)
with E. Lanconelli, A negative answer to a one-dimensional symmetry problem in the Heisenberg group, Calculus of Variation (2003)
with F. Demengel, Some Liouville theorems for the $p$-Laplacian Proceedings of the 2001 Luminy Conference on Quasilinear Elliptic and Parabolic Equations and System, 35--46 (electronic), Electron. J. Differ. Equ. Conf., 8.
with J. Wigniolle, Homogenization of Hamilton-Jacobi equations in the Heisenberg group, Comm. Pure Applied Anal. (2003)
with F. Demengel, Existence of solutions for semi-linear equations involving the $p$-Laplacien : the non coercive case, Calculus of Variation (2004)
with F. Demengel, Comparison principle and Liouville type results for singular fully nonlinear operators, to appear in the Annales de Toulouse.
with F. Demengel, First eigenvalue and Maximum principle for fully nonlinear singular operators, submitted.