July 29 - August 10, 1996 Co-chairmen: Prof. C.Bardos (University Paris 7, France) e-mail:The main goal of the meeting is to stimulate a collaboration between specialists working in Control Theory and Inverse Problems. Recent progress demonstrates new deep connections between these two highly-developed branches of Mathematical Physics.bardos@cmla.ens-cachan.frProf. M.Belishev (St.-Petersburg Branch of Steklov Mathematical Institute, Russia) e-mail:belishev@pdmi.ras.ru

- FINLAND
- H.Konttinen
- L.Paivarinta
- A.Teirila

- FRANCE
- B.Allibert
- C.Bardos
- N.Burq
- S.Gentil
- O.Glass
- T.Masrour
- J.Paoli
- Kim Dang Phung

- GERMANY
- R.Kress

- JAPAN
- G.Nakamura

- RUSSIA
- V.Agoshkov
- M.Belishev
- A.Blagovestchenskii
- V.Burov
- Yu.Egorov
- A.Fursikov
- O.Imanuvilov
- V.Markushevich
- R.Novikov
- V.Serov
- V.Sharafutdinov
- Yu.Shestopalov

- USA
- M. De Hoop
- Rakesh
- D.Tataru

## 29 July, Monday. Chairman Prof. R. Kress

10.30 - 10.35 Opening ceremony 10.35 - 11.35 N. Burg (France). Local Energy Decay for the Way Equation in an Exterior Domain 11.50 - 12.50 C. Bardos (France) Proof of the Stable Observation with Defect Measure under Convenient Geometric Hypothesis 14.15 - 15.15 V. Agoshkov (Russia) Investigation of a Class of Inverse Problems on Optimal Boundaries 15.30 - 16.00 B. Allibert (France) Analytic Control on a Square 16.00 - 17.00 Round Table## 30 July, Tuesday. Chairman Prof. C. Bardos

10.30 - 11.30 A. Fursikov (Russia) Local Exact Controllability of the Navier-Stokes Equation 11.45 - 12.45 D.Tataru (USA) Carlemanian Estimates and Unique Continuation for PDE's 14.15 - 15.15 O.Immanuilov (Russia) Exact Controllability of Semilinear Parabolic Equations 15.30 - 16.30 M.Belishev, Yu. Gotlib, and S. Ivanov (Russia) Numerical Testing on the BC-method: 2-Dim Spectral Inverse Problem 16.30 - 17.00 Round Table## 31 July, Wednesday. Chairman Prof. Rakesh

10.30 - 11.30 R. Kress (Germany) Integral Equation Method in Inverse Obstacle Scattering 11.45 - 12.45 L.Paivaranta (Finland) Estimates for Faddeev's Greens Functions with Applications for Detecting Obstacles and Inhomogeneities Simultaneously 14.15 - 15.15 M. Belishev (Russia) Reconstruction of a Vector Field via Dynamical Data (BC-method) 15.30 - 16.00 V.Sharafutdinov (Russia) Inverse Problem of Determining a Source in Scattering Transport Equation 16.00 - 17.00 Round Table## 1 August, Thuesday. Chairman Prof. V.Sharafutdinov

10.30 - 11.30 Rakesh (USA) Inverse Problems for One Dimension and Multidimensional Hyperbolic Equations 11.45 - 12.45 M. De Hoop (USA) Microlocal Non-Linear Resolution Analysis of Generalized Radon Transform Inversions in Anisotropic Solids 14.15 - 15.15 V.Serov (Russia) Some Inverse Problems for Shroedinger Operator with Kato Potentials 15.30 - 16.00 Yu. Shestopalov (Russia) Direct and Inverse Scattering by a Family of 2-D Domains with Noncompact Boundaries 16.00 - 17.00 Round Table## 2 August, Friday. Chairman Prof. Yu. Shestopalov

10.30 - 11.30 V.Markushevich (Russia) Inversion of the Monochromatic SH-vibrations: an Attempt of Retrospective Analysis 11.45 - 12.45 G.Nakamura (Japan) An Inverse Boundary Value Problem for an Anisotropic Elasticity 14.15 - 15.15 M.Belishev, A.Blagoveschenskii, and S.Ivanov (Russia) Boundary Control of Waves and Inverse Problem for Two-Velocity Dynamical System 15.30 - 16.00 J.Paoli (France) Numerical and Theoretical Approach of Active Control of Radar Cross Section 16.00 - 17.00 Round Table## 5 August, Monday. Chairman Prof. M. Belishev

10.30 - 11.30 Yu.Egorov (Russia) On Estimates of the First Eigenvalue in Some Elliptic Problems 11.45 - 12.45 R.Novikov (Russia) Inverse Scattering up to smooth functions 14.15 - 15.15 L.Khalfin (Russia) Title to be announced 15.30 - 16.00 T.Masrour (France) Defect Measure and Observation of Plates 16.00 - 17.00 Round Table## 6 August, Tuesday. Chairman Prof. R.Novikov

10.30 - 11.30 C.Bardos (France) High and Low-Frequency Observation for Waves 11.45 - 12.45 C.Croke (USA) and V.Sharafutdinov (Russia) Spectral Rigidity of a Compact Negatively Curved Manifold 14.15 - 15.15 E.Korotyaev (Russia) Inverse Problem for the Hill Operator 15.30 - 16.00 Kim Dang Phung (France) Stabilization Problems for the Maxwell Equations 16.00 - 17.00 Round Table## 7 August, Wednesday. Chairman Prof. D.Tataru

10.30 - 11.30 Lecture for students. Title to be announced 11.45 - 12.45 Lecture for students. Title to be announced 14.15 - 15.15 A.Blagovestchenskii. Title to be announced 15.30 - 16.00 V.Gotlib (Russia) Numerical Testing in the Dynamical BC-Method 16.00 - 17.00 Round Table