I. Ftouhi: On the Cheeger inequality for convex sets Journal of Mathematical Analysis and Applications 2021 I. Ftouhi, A. Henrot: The diagram ( 1 , µ 1 ) Mathematical Reports 2021 I. Ftouhi, J. Lamboley: Blaschke--Santaló diagram for volume, perimeter and first Dirichlet eigenvalue SIAM Journal on Mathematical Analysis 2021 I. Ftouhi: Where to place a spherical obstacle so as to maximize the first Steklov eigenvalue ? ESAIM Control and Calculus of Variations 2021 I. Ftouhi: On a Polya's inequality for planar convex sets Comptes Rendus de lAcadémie des Sciences 2021 I. Ftouhi: Complete systems of inequalities relating the perimeter, the area and the Cheeger constant of planar domains Communications in Contemporary Mathematics (Accepted Paper) 2021 I. Ftouhi: Optimal description of BlaschkeSantaló diagrams via numerical shape optimization (Preprint) 2022 I. Ftouhi, A. L. Masiello, G. Paoli: Sharp inequalities involving the Cheeger constant of planar convex sets (Preprint) 2022 I. Ftouhi, E. Zuazua: Optimal design of sensors via geometric criteria Journal of Geometric Analysis 2023