Conference in honor Serge Nicaise 60th birthday: Networks, Waves and Control By E. Zuazua

On November 2nd, our Head Enrique Zuazua will talk on “Networks, Waves and Control” on the PDE, Analysis and Applications conference in honor of Serge Nicaise 60th birthday on November 2th. – 5th, 2021 at Valenciennes, France.

Asbtract. In this lecture we will mainly analyze wave propagation on a planarnetwork, a topic to which Serge Nicaise so much contributed.The problem of the observation of waves is a natural framework toaddress this issue. Roughly, the question can be formulated as follows:Can we recover complete information on the energy of waves by makingmeasurements in one single extreme of the network? This formulationis relevant both in the context of control and inverse problems.Using the Fourier development of solutions and techniques of Non-harmonic Fourier Analysis, we shall give spectral sharp conditions guar-anteeing this property to hold.The analysis becomes much more explicit in the case where the net-work has a tree-like structure.As a corollary these results can be transferred to other models, suchas the Schrödinger, heat or beam-type equations.We shall also present recent results on the uniformity of these resultsin the context of vanishing viscosity.Other challenging problems arise in this field. Some of them will bementioned as topics for future research.


November 2nd., 2021 at HH:MM




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• Kais Ammari, UR Analysis and Control of PDEs, University of Monastir, Monastir, Tunisia.
• Thomas Apel, Institut für Mathematik und Computergestützte Simulation, Universität der Bundeswehr München, Germany.
• Joachim von Below, Université du Littoral Côte d’Opale, Calais, France.
• Théophile Chaumont-Frelet, University of Nice-Sophia Antipolis and INRIA Sophia Antipolis-Méditerranée Research Centre, Nice, France.
• Patrick Ciarlet, Laboratoire POEMS (CNRS-INRIA-ENSTA Paris), ENSTA Paris, Institut Polytechnique de Paris, Palaiseau, France.
• Martin Costabel, IRMAR, Université de Rennes 1, Rennes, France.
• Monique Dauge, IRMAR, Université de Rennes 1, Rennes, France.
• Alexandre Ern, Université Paris-Est, CERMICS (ENPC), Marne-la-Vallée, France.
• Emilia Fridman, School of Electrical Engineering, Tel Aviv University, Tel Aviv, Israel.
• Matthias Hieber, Technische Universität Darmstadt, Darmstadt, Germany.
• Patrick Joly, Laboratoire POEMS (CNRS-INRIA-ENSTA Paris), ENSTA Paris, Institut Polytechnique de Paris, Palaiseau, France.
• Hengguang Li, Wayne State University, Detroit, USA.
• Stephanie Lohrengel, Université de Reims Champagne-Ardenne, Reims, France.
• Jean Lubuma, Department of Mathematics and Applied Mathematics, University of Pretoria, Pretoria, South Africa.
• Delio Mugnolo, Fakultät für Mathematik und Informatik, FernUniversität in Hagen, Hagen, Germany.
• Cristina Pignotti, Università degli Studi dell’Aquila, L’Aquila, Italy.
• Anna Sändig, Institute of Applied Analysis and Numerical Simulation (IANS), Universität Stuttgart Pfaffenwaldring, Stuttgart, Germany.
• Stefan Sauter, Universität Zürich, Zürich, Switzerland.
• Roland Schnaubelt, Department of Mathematics, Karlsruhe Institute of Technology, Karlsruhe, Germany.
• Guido Sweers, Universität zu Köln, Cologne, Germany.
• Fredi Troeltzsch, Technische Universität Berlin, Berlin, Germany.
• Ali Wehbe, Université Libanaise, Beyrouth, Lebanon.
• Christos Xenophontos, University of Cyprus, Nicosie, Cyprus.
• Enrique Zuazua, Department of Mathematics Friedrich-Alexander-Universität, Erlangen-Nürnberg, Erlangen, Germany

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