ISABELLA BIRINDELLI

La prima lezione è martedì 26 settembre, ore 10-13.

Aula 3 di Via Castro Laurenziano 7.a

Curriculum Vitae Isabella BIRINDELLI known scientifically as Isabeau BIRINDELLI
POSITION
Since March 2007 : Professore ordinario (Full professor) Sapienza Università di Roma
November 2018 to October 2024: Head of the Math Department Guido Castelnuovo, Sapienza Università di Roma
1998-2007: Associate professor, Sapienza Università di Roma
Publications bibliometrics (October 2025)
74 publications in international research journals with referee.
Cited 1162 Times and with H index 19 in the Math Review Citation Database.
RECENTE INVITATIONS:
• 2025 May, Hong Kong: HKUST IAS “Recent Advances on Elliptic and Parabolic Equations”
• 2025 March, Bologna, “Free boundaries in action”, Bologna, March 10-11, 2025
• 2025 January, Stanford University, three week sinvitation
• 2024 November, Rencontres Normandes sur les aspects théoriques et numériques
des EDP, Rouen
• 2024 July, AMS-UMI, Palermo
• 2024 June, Mostly Maximum Principle, Rio de Janeiro
• 2024 June, IAS, University of Cergy Pontoise
• 2024 February, Nonlinear days, University of Modena
• 2024 January, Tsuda Waseda University
• 2023 December, Nonlinear days, Politecnico di Milano
• 2023 June, AIMS, North Carolina
• 2023 February, 3th Americas Conf. on Diff. Eq. and Nonlinear Analysis, Sao Carlos
RESEARCH RELATED ACTIVITY
1-ORGANIZATION OF CONFERENCES:
Since 2010, together with A. Vitolo, F. Leoni and I. Capuzzo Dolceia, I have created and organised a cycle of conferences, the idea being to gather a highly qualified group of researchers interested in the study of elliptic equations via the Maximum Principle. The conferences have proved to be a success and are becoming a reference in the field. The first was ”Positivity: a key to fully-nonlinear equations” in Vietri, May 2010. Followed by
”Mostly maximum Principle” in Rome, September 2012 and ”MMP” in Agropoli, September 2015, MMP Banff 2017, MMP Cortona 2022. These conferences have become a key moment to evaluate the situation in the field. In 2018, organization of a conference in Agropoli
In may 2023 organization of “Nonlinear partial differential equations: theory, numerics and applications” at Sapienza

2-Member of the scientific commitee of Gruppo Nazionale Analisi Matematica, Probabilità e Applicazioni, INDAM that evaluates the funding of Mathematical analysis and probability in Italy for 6 years unOl 2020
3-Member of the Panel for the funding of Mathematical research in Portugal for FCT, 2012 and 2013.
4- Invited professor in many important universities among others:
Université de Cergy-Pontoise, Tata Institute Bangalore, Université de Paris X, University of Chile, Stanford University, Rutgers University, U. C. Berkeley
5- Referee for many journals including ”Inventiones Matematicae”, ”Journal IHP", "Analyse
non linéaire”, “Communication in Partial Differential Equations”, “Journal of European Mathematical Society”, “ Proceedings of the Royal Society of Edinburgh”, “Pacific Journal”,“Annali di Pisa”, “Non Linear Differential equations and applications”, “Nonlinearity” ...
6- Editor for DCDS
7-Responsible of many research grants from Sapienza University, CNR and GNAMPA
EDUCATION
1993 Ph.D. in Mathematics, Courant Institute of Mathematical Sciences, N.Y.U. Thesis: Second order elliptic equations in general domains: Hopf’s lemma and Anti maximum principle . Advisor: Louis Nirenberg.
1988 Laureata cum laude, Sapienza, advisor: Prof. U. Mosco
RESEARCH FIELDS
Fully non-linear elliptic PDE, spectral properOes, maximum principle, regularity. elliptic, degenerate elliptic and systems of partial differential equations, with particular aiention to qualitative properties, regularity, existence and non-existence theorems in the semi-linear, quasi-linear and linear cases.
PUBBLICATIONS IN THE LAST 5 YEARS
1. Birindelli, Isabeau; Briani, Ariela; Ishii, Hitoshi, Test function approach to fully
nonlinear equa:ons in thin domains, Proc. Amer. Math. Soc. 153 (2025), no. 5,
2099– 2113.
2. Birindelli, Isabeau; Du, Lele; Galise, Giulio, Liouville results for semilinear integral
equa:ons with conical dieusion, Calc. Var. Par:al Differential Equations 64 (2025),
no. 3, Paper No. 86, 26 pp.
3. Birindelli, Isabeau; Galise, Giulio; Ishii, Hitoshi; Propagation of minima for nonlocal
operators, Proc. Roy. Soc. Edinburgh Sect. A 154 (2024), no. 4, 1033–1046.
4. Birindelli, Isabeau; Demengel, Françoise; Leoni, Fabiana, Principal eigenvalues and
eigenfunctions for fully nonlinear equations in punctured balls. J. Math. Pures
Appl. (9) 186 (2024), 74–102.
5. Birindelli, Isabeau; Galise, Giulio; Schiera, Delia; Maximum principles and related
problems for a class of nonlocal extremal operators. Ann. Mat. Pura Appl. (4) 201 (2022), no. 5, 2371–2412.

6. Birindelli, Isabeau; Demengel, Françoise; Leoni, Fabiana ;Mixed boundary value problems for fully nonlinear degenerate or singular equations. Nonlinear Anal. 223 (2022), Paper No. 113006, 22 pp.
7. Birindelli, Isabeau; Galise, Giulio; Topp, Erwin; Fractional truncated Laplaciansti representation formula, fundamental solutions and applications. NoDEA Nonlinear Differential Equations Appl. 29 (2022), no. 3, Paper No. 26, 49 pp.
8. Birindelli, Isabeau; Demengel, Françoise; Leoni, Fabiana; Boundary asymptotics of the ergodic functions associated with fully nonlinear operators through a Liouville type theorem. Discrete Contin. Dyn. Syst. 41 (2021), no. 7, 3021–3029.
9. Birindelli, Isabeau; Galise, Giulio; Rodríguez-Paredes, Andrei; Existence issues for a large class of degenerate elliptic equations with nonlinear Hamiltonians. J. Convex Anal. 28 (2021), no. 2, 329–352.
10. Birindelli, I.; Galise, G.; Ishii, H. ; Existence through convexity for the truncated Laplacians. Math. Ann. 379 (2021), no. 3-4, 909–950.
11. Birindelli, Isabeau; Galise, Giulio; Ishii, Hitoshi ; Positivity sets of supersolutions of degenerate elliptic equations and the strong maximum principle. Trans. Amer. Math. Soc. 374 (2021), no. 1, 539–564.
12. Birindelli, Isabeau; Payne, Kevin R.; Principal eigenvalues for k-Hessian operators by maximum principle methods. Math. Eng. 3 (2021), no. 3, Paper No. 021, 37 pp.
13. Birindelli, Isabeau; Galise, Giulio Allen-Cahn equation for the truncated Laplacianti
unusual phenomena. Math. Eng. 2 (2020), no. 4, 722–733.
14. Birindelli, Isabeau; Galise, Giulio; Ishii, Hitoshi ;Towards a reversed Faber-Krahn
inequality for the truncated Laplacian. Rev. Mat. Iberoam. 36 (2020), no. 3, 723–
740.
15. Alfaro, Mahhieu; Birindelli, Isabeau ;Evolution equations involving nonlinear
truncated Laplacian operators. Discrete Contin. Dyn. Syst. 40 (2020), no. 6, 3057– 3073.