Inverse Problems, Control and Shape Optimization (PICOF'14)


		Wednesday, May 7th

7H30 – 8H30	WELCOME
8H30 – 9H15	ROOM: Elyssa		Chair: Grégoire Allaire
8H30 – 9H15	Jean Michel Coron - Control of partial differential equations and nonlinearities
9H15 – 10H	Aline Lefebvre - Microscopic modeling of crowd motion
9H15 – 10H	Aline Lefebvre - Microscopic modeling of crowd motion
	ROOM Elyssa	ROOM Amilcar	ROOM Hannibal
10H30 – 12H30	MS – IPCE	CT – IPE	MS – TO
12H30 – 14H30	Lunch
14H30 – 15H15	ROOM: Elyssa		Chair: Armin Lechleiter
14H30 – 15H15	Günther Leugering - Topological sensitivities for crack problems
15H15 – 16H	Laurent Bourgeois - On identification of fixed immersed obstacles in a Stokes fluid from boundary measurements
15H15 – 16H
16H – 16H30	Coffee Break
	ROOM Elyssa	ROOM Amilcar	ROOM Hannibal
16H30 –18H30	CT – ODA	CT – STD	MS – CE1
19H	Dinner


		Wednesday, May 7th

	ROOM Elyssa	ROOM Amilcar	ROOM Hannibal
	Mini Symposium – Inverse problems in cardiac electrophysiology (IPCE)	Inverse problems for electromagnetics (IPE)	Mini Symposium – Shape and Topological Optimization (TO)
	Chair: Nejib Zemzemi	Chair: Laurent Bourgeois	Chair: Mohamed Masmoudi
10H30 – 11H00	Julien Bouyssier, Nejib Zemzemi and Jacques Henry - Inverse Problem in Electrocardiography via the Factorization Method of Boundary Value Problems	Peters Stefan - Inside-Outside-Duality and Interior Eigenvalues of Impenetrable Scatterers	Michailidis Georgios, Allaire Gregoire and Jouve François - Methods and Strategies for imposing a Maximum Feature Size in Shape and Topology Optimization
11H00 – 11H30	Moez Kallel, Abderrahmane Habbal - A Nash-game approach to solve the Cauchy problem for elliptic equations	Maya de Buhan and Marie Kray - A new approach to solve the inverse scattering problem for the wave equation	Maatoug Hassine - Geometric inverse problem for time-dependent PDE systems
11H30 – 12H00	Nejib Zemzemi - Mathematical Modelling of the electrical wave in the heart from ion-channels to the body surface: Direct and inverse problems	Ahmed Rebai and Tarek Salhi - Formulation of the emission sources localization problem in the case of a selftriggered radio-detection experiment: Between Ill-posedness and Regularization	Arnaud Munch - Optimal design problems in a dynamical context: an overview
12H00 – 12H30		Riahi Mohamed Kamel, Haddar Houssem, Jiang Zixian and Filiot Pierre-Louis - 3D direct and inverse solver for eddy current tests of SG tubes	Masmoudi Mohamed - Nonstandard topological optimization methods
	Optimization and data assimilation (ODA)	Shape and topological derivatives (STD)	Mini Symposium – Inverse problems and Carleman estimates (CE1)
	Chair: Didier Auroux	Chair: Hassine Maatoug	Chair: Mourad Bellassoued
16H30 – 17H00	Jamila Lassoued, Moncef Mahjoub and Nejib Zemzemi - Proper orthogonal decomposition in cardiac electrophysiology	Bsaies Chaima and Dziri Raja - Dérivation par rapport à la forme du système de Navier-Stokes non stationnaire avec des conditions aux bords de type Navier	Soccorsi Eric - lnverse spectral conductivity problem in a periodic waveguide
17H00 – 17H30	Walid Mourou and Lamia Jaafar Belaid - Assimilation d'un déplacement de dunes de type Berkhaneamia	Kiniger Bernhard - Error Estimation in Shape Optimization	Riahi Bochra - Stability estimate in determination of a coefficient in transmission wave equation by boundary observation
17H30 – 18H00	Hamouda Dakhlaoui - Variational data assimilation with yao platform for the calibration of a hydrological model	Gabriel Delgado and Marc Bonnet - The topological derivative for anisotropic elasticity of a stress-displacement criterion	Cristofol Michel - Inverse problems associated with linear and non-linear parabolic systems: two different approaches
18H00 – 18H30	Hadj Selem Fouad, Frouin Vincent, Guillemot Vincent, Lofstedt Tommy and Duchesnay Edouard - Continuation methods and Nesterov optimization techniques for general structured sparse learning	Rjaibi Badreddine, Jaafar Belaid Lamia and Walid Mourou - A 3D segmentation in X ray tomography	Rabai Yosra and Haddar Houssem - A data completion algorithm using boundary integral equations


		Thursday, May 8th


8H30 – 9H15	ROOM: Elyssa			Chair: Antoine Henrot
8H30 – 9H15	Barbara Kaltenbacher - Regularization in Banach Spaces
9H15 – 10H	Taous Meriem Laleg - Inverse problems for a space fractional advection dispersion equation
9H15 – 10H
10H – 10H30	Coffee Break
	ROOM Elyssa	ROOM Amilcar	ROOM Hannibal	ROOM Misk Ellil
10H30 – 12H30	MS – IPPA	MS – CE2	MS – AI	MS – DC
12H30 – 14H30	Lunch
14H30 – 15H15	ROOM: Elyssa			Chair: Rajae Aboulaich
14H30 – 15H15	Didier Auroux - Data assimilation for geophysical problems
15H30 – 18H30	Cultural visit
20H	Gala dinner


	Thursday, May 8th

	ROOM Elyssa	ROOM Amilcar	ROOM Hannibal	ROOM Misk Ellil
	Mini Symposium – Analysis of some inverse problems from physical applications (IPPA)	Mini Symposium – Inverse problems and Carleman estimates (CE2)	Mini Symposium – Source identifiation in aerospace industry (AI)	Mini Symposium – Control and Stabilization Problems (CSP)
	Chair: Juliette Leblond	Chair: Mourad Bellassoued	Chair: Bernard Troclet	Chair: Moez Khenissi
10H30 – 11H00	Eric Bonnetier - Spectral properties of the Neumann Poincare operator in composite media with close to touching inclusions	Kian Yavar - Determination of a time-dependent coefficient in a quantum cylindrical wave guide	Amel Ben Abda, Emna Jaïem, Sinda Khalfallah and Abdelmalek Zine - Cavities identification problems with missing data	Mohamed Jellouli - Energie limite et décroissance de l'Energie dans réseau dégénéré
11H00 – 11H30	Faker Ben Belgacem - An ill-posed parabolic evolution system for dispersive deoxygenation-reaeration in waters	Kaddouri Isma - New Kind of Observations in an Inverse Parabolic Problem	Hamdi Mohamed Ali and Frikha Slaheddine - Hybrid Inverse Boundary Element Method for the determination of the optimal spectral characteristics of a complex radiating noise source	David Dos Santos Ferreira - Stability estimates for the Calderón problem with partial data
11H30 – 12H00	Sylvain Chevillard - An inverse problem of magnetization in geoscience	Abdessatar Khelifi - Développements asymptotiques des potentiels de tension en présences d'interfaces minces	B. Troclet, I. Terasse and S. Alestra - Identification of overpressure sources at launcher vehicule lift-offusing an inverse method in the time domain	Ahmed Bchatnia and Aissa Guesmia - Well-posedness and asymptotic stability for the Lamé system with infinite memories in bounded domain
12H00 – 12H30	Jing-Rebacca Li - Parameter estimation using macroscopic models of the diffusion MRI signal	Ben Aicha Ibtissem - Stability estimate for an inverse problem for the wave equation from boundary measurements	Bel Hadj Salah - Sur quelques problèmes de calcul inverse en mécanique des solides	Mohamed Ghattassi, Mohamed Boutayeb and Jean Rodolphe Roche - Nonlinear control for the radiative-conductive heat transfert systems


		Friday, May 9th


8H30 – 9H15	ROOM: Elyssa		Chair: Mohamed Masmoudi
8H30 – 9H15	Antoine Henrot - Elastic energy, area and perimeter of plane domains
9H15 – 10H	Edouard Oudet - Convexity and JKO scheme
9H15 – 10H	Edouard Oudet - Convexity and JKO scheme
10H – 10H30	Coffee Break
	ROOM Elyssa	ROOM Amilcar	ROOM Hannibal
10H30 – 12H30	MS – IS	MS – NM	CT – BCR
12H30 – 14H30	Lunch
14H30 – 15H15	ROOM: Elyssa		Chair: Belhassen Dehman
14H30 – 15H15	Armin Lechleiter - Characterization of interior eigenvalues from multi-frequency time-harmonic scattering data
15H15 – 16H	Olivier Pantz - Globules rouges et vésicules: modélisation et simulations
15H15 – 16H
16H – 16H30	Coffee Break
	ROOM Elyssa	ROOM Amilcar	ROOM Hannibal
16H30 – 18H30	MS – CSP	CT – SONL	CT – MSM


		Friday, May 9th

	ROOM Elyssa	ROOM Amilcar	ROOM Hannibal
	Mini Symposium – Inverse problems: Identification and stability (IS)	Mini Symposium – Control of diffusion equations: Numerical methods (NM)	Boundary and cracks recovery (BCR)
	Chair: Slim Chaabane	Chair: Sidi Mahmoud Kaber, Faker Ben Belgacem	Chair: Juliette Leblond
10H30 – 11H00	Slim Chaabane and Imed Feki - Pointwise inequalities of Logarithmic type in Hardy-Hölder	Arnaud Munch - Variational formulations for the numerical resolution of control and inverse problems for the heat equation	Sayeh Mohamed, Bouchon François and Touzani Rachid - A free boundary prolem for the stokes operator
11H00 – 11H30	Imed Feki, Houda Nfata and Franck Wielonsky - Quelques estimations logarithmiques optimales dans les espaces de Hardy-Sobolev	Yannick Privat - Optimal observation of parabolic equations	Fatma Cheikh, Hend Ben Ameur, Guy Chavent, Vincent Martin and Jean Roberts - Identification of fractures in porous medium
11H30 – 12H00	Hassine Maatoug, Mohamed Jaoua and Souhila Sabit - Plasma equilibrium reconstruction in a Tokamak using topological gradient method	Mohamed Kamel Riahi - Parareal in time intermediate targets methods for optimal control problem	Mohamed Larbi Kadri and Jalel Ben Abdallah - Identification de fissures interfaciales en élasticité tridimensionnelle par une méthode d'optimisation
12H00 – 12H30	Slim Chaabane, Mohamed Jaoua and Ansar Allah Jaour - Reconstruction of multiple cracks using a self regularizing approach	Sidi-Mahmoud Kaber - Ill-Conditioning versus Ill-Posedness for the Boundary Controllability of the Heat Equation	Nejla Tlatli Hariga, Thouraya Nouri Baranger and Rachida Bouhlila - Submarine Groundwater Discharge as an inverse problem
	Data completion (DC)	Stochastic optimization and non linear problems (SONL)	Mathematics for structure mechanics (MSM)
	Chair: Taous Meriem laleg-Kitari	Chair: Rajae Aboulaich	Chair: Saloua Aouadi
16H30 – 17H00	Muhammad Usman Majeed and Taous Meriem Laleg-Kirati - Two step observer approach to solve Cauchy problem for Laplace equation	Majed Chemkhi, Mohamed Jebalia, Azmi Makhlouf and Maher Moakher - Etude de la performance de l’hybridation d’une méthode d’optimisation avec une formule de représentation de l’optimum global	Chorfi Lahcène - Estimation de paramètres dans une EDP elliptique 1D
17H00 – 17H30	Manel Bouraoui - An inverse boundary problem for the heat equation in the presence of small inhomogeneities	Abdelilah Jraifi and Rajae Aboulaich - Runge kutta approach for option pricing with constant elasticity of variance (cev) model	Mannai Aymen and Saloua Aouadi - Stabilized finite elements for curved fibred plates
17H30 – 18H00		Federico Benvenuto and Houssem Haddar, A family of estimators for the solution of a non-linear inverse problem	Ayadi Mekki, Gdhami Asma, Aberrahmane Habbal, Mokni Maroua and Yahyaoui Boutheina - Improving the mechanical performances of a multilayered plate with the orientations of its layers of fibers
18H00 – 18H30		Fethi Bin Muhammad Belgacem - Managing Disasters Consequences on the Fitness of Environmental Resources for Population Survival