J. Lamboley, M. Pierre: Structure of shape derivatives around irregular domains and applications Journal of Convex Analysis (Accepted Paper) Vol. 14, N. 4, p. 807--822, 2007 T. Briançon, J. Lamboley: Regularity of the optimal shapes for the first eigenvalue with volume and inclusion constraints Annales de l'IHP, Analyse non linéaire Vol. 26, N. 4, p. 1149-1163, 2009 I. Fragalà, F. Gazzola, J. Lamboley, M. Pierre: Counterexamples to Symmetry for Partially Overdetermined Elliptic Problems Analysis (Munich) Vol. 29, N. 1, p. 85-93, 2009 J. Lamboley, A. Novruzi: Polygon as optimal shapes with convexity constraint SIAM Control and Optimization Vol. 48, N. 5, p. 3003-3025, 2009 J. Lamboley: About Hölder regularity of the convex shape minimizing $\lambda_2$ Applicable Analysis Vol. 90, N. 2, p. 263 - 278, 2011 D. Bucur, I. Fragalà, J. Lamboley: Optimal convex shapes for concave functionals ESAIM Control Optim. Calc. Var. Vol. 18, N. 3, p. 693-711, 2012 J. Lamboley, A. Novruzi, M. Pierre: Regularity and singularities of optimal convex shapes in the plane Archive for Rational Mechanics and Analysis Vol. 205, N. 1, p. 311-343, 2012 I. Fragalà, F. Gazzola, J. Lamboley: Sharp bounds for the p-torsion of convex planar domains proceedings of the INdAM Workshop "Geometric properties for parabolic and elliptic PDE's" Vol. Springer, p. 97-115, 2013 J. Lamboley, P. Sicbaldi: New examples of extremal domains for the first eigenvalue of the Laplace-Beltrami operator in a Riemannian manifold with boundary International Mathematics Research Notices, IMRN Vol. 18, p. 8752-8798, 2015 E. Harrell, A. Henrot, J. Lamboley: On the local minimizers of the Mahler volume Journal of convex Analysis () Vol. 22, N. 3, p. 809-825, 2015 J. Lamboley, A. Laurain, G. Nadin, Y. Privat: Properties of minimizers of the principal eigenvalue with indefinite weight and robin conditions (Preprint) 2016 M. Dambrine, D. Kateb, J. Lamboley: An extremal eigenvalue problem for the Wentzell-Laplace operator Annales de l'IHP, Analyse non linéaire Vol. 33, N. 2, p. 409-450, 2016 J. Lamboley, A. Novruzi, M. Pierre: Estimates of First and Second Order Shape Derivatives in Nonsmooth Multidimensional Domains and Applications Journal of Functional Analysis Vol. 270, N. 7, p. 2616-2652 , 2016 J. Lamboley, M. Pierre: Regularity of Optimal Spectral domains () 2016 G. De Philippis, J. Lamboley, M. Pierre, B. Velichkov: Regularity of Minimizers of Shape Optimization Problems involving Perimeter J. Math. Pures Appl. 2016 A. Chambolle, J. Lamboley, A. Lemenant, E. Stepanov: Regularity for the optimal compliance problem with length penalization SIAM J. Math. Anal. Vol. 49, N. 2, p. 1166-1224, 2017 I. Ftouhi, J. Lamboley: Blaschke--Santaló diagram for volume, perimeter and first Dirichlet eigenvalue SIAM Journal on Mathematical Analysis 2021 D. Bucur, J. Lamboley, M. Nahon, R. Prunier: Sharp Quantitative Stability of the Dirichlet spectrum near the ball (preprint) 2023