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834 results on '"Zaccour, Georges"'

1. Subsidizing a New Technology: An Impulse Stackelberg Game Approach

Author

Sadana, Utsav and Zaccour, Georges

Subjects
Mathematics - Optimization and Control
Abstract

Governments are motivated to subsidize profit-driven firms that manufacture zero-emission vehicles to ensure they become price-competitive. This paper introduces a dynamic Stackelberg game to determine the government's optimal subsidy strategy for zero-emission vehicles, taking into account the pricing decisions of a profit-maximizing firm. While firms have the flexibility to change prices continuously, subsidies are adjusted at specific time intervals. This is captured in our game formulation by using impulse controls for discrete-time interventions. We provide a verification theorem to characterize the Feedback Stackelberg equilibrium and illustrate our results with numerical experiments.

Published
2024

3. Operational Research: Methods and Applications

Author

Petropoulos, Fotios, Laporte, Gilbert, Aktas, Emel, Alumur, Sibel A., Archetti, Claudia, Ayhan, Hayriye, Battarra, Maria, Bennell, Julia A., Bourjolly, Jean-Marie, Boylan, John E., Breton, Michèle, Canca, David, Charlin, Laurent, Chen, Bo, Cicek, Cihan Tugrul, Cox Jr, Louis Anthony, Currie, Christine S. M., Demeulemeester, Erik, Ding, Li, Disney, Stephen M., Ehrgott, Matthias, Eppler, Martin J., Erdoğan, Güneş, Fortz, Bernard, Franco, L. Alberto, Frische, Jens, Greco, Salvatore, Gregory, Amanda J., Hämäläinen, Raimo P., Herroelen, Willy, Hewitt, Mike, Holmström, Jan, Hooker, John N., Işık, Tuğçe, Johnes, Jill, Kara, Bahar Y., Karsu, Özlem, Kent, Katherine, Köhler, Charlotte, Kunc, Martin, Kuo, Yong-Hong, Lienert, Judit, Letchford, Adam N., Leung, Janny, Li, Dong, Li, Haitao, Ljubić, Ivana, Lodi, Andrea, Lozano, Sebastián, Lurkin, Virginie, Martello, Silvano, McHale, Ian G., Midgley, Gerald, Morecroft, John D. W., Mutha, Akshay, Oğuz, Ceyda, Petrovic, Sanja, Pferschy, Ulrich, Psaraftis, Harilaos N., Rose, Sam, Saarinen, Lauri, Salhi, Said, Song, Jing-Sheng, Sotiros, Dimitrios, Stecke, Kathryn E., Strauss, Arne K., Tarhan, İstenç, Thielen, Clemens, Toth, Paolo, Berghe, Greet Vanden, Vasilakis, Christos, Vaze, Vikrant, Vigo, Daniele, Virtanen, Kai, Wang, Xun, Weron, Rafał, White, Leroy, Van Woensel, Tom, Yearworth, Mike, Yıldırım, E. Alper, Zaccour, Georges, and Zhao, Xuying

Subjects
Mathematics - Optimization and Control
Abstract

Throughout its history, Operational Research has evolved to include a variety of methods, models and algorithms that have been applied to a diverse and wide range of contexts. This encyclopedic article consists of two main sections: methods and applications. The first aims to summarise the up-to-date knowledge and provide an overview of the state-of-the-art methods and key developments in the various subdomains of the field. The second offers a wide-ranging list of areas where Operational Research has been applied. The article is meant to be read in a nonlinear fashion. It should be used as a point of reference or first-port-of-call for a diverse pool of readers: academics, researchers, students, and practitioners. The entries within the methods and applications sections are presented in alphabetical order. The authors dedicate this paper to the 2023 Turkey/Syria earthquake victims. We sincerely hope that advances in OR will play a role towards minimising the pain and suffering caused by this and future catastrophes.

Published
2023
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5. Feedback Nash Equilibria in Differential Games with Impulse Control

Author

Sadana, Utsav, Reddy, Puduru Viswanadha, and Zaccour, Georges

Subjects
Mathematics - Optimization and Control, Electrical Engineering and Systems Science - Systems and Control
Abstract

We study a class of deterministic finite-horizon two-player nonzero-sum differential games where players are endowed with different kinds of controls. We assume that Player 1 uses piecewise-continuous controls, while Player 2 uses impulse controls. For this class of games, we seek to derive conditions for the existence of feedback Nash equilibrium strategies for the players. More specifically, we provide a verification theorem for identifying such equilibrium strategies, using the Hamilton-Jacobi-Bellman (HJB) equations for Player 1 and the quasi-variational inequalities (QVIs) for Player 2. Further, we show that the equilibrium number of interventions by Player 2 is upper bounded. Furthermore, we specialize the obtained results to a scalar two-player linear-quadratic differential game. In this game, Player 1's objective is to drive the state variable towards a specific target value, and Player 2 has a similar objective with a different target value. We provide, for the first time, an analytical characterization of the feedback Nash equilibrium in a linear-quadratic differential game with impulse control. We illustrate our results using numerical experiments.

Published
2021

9. Open-loop and feedback Nash equilibrium in scalar linear-state differential games with impulse control

Author

Sadana, Utsav, Reddy, Puduru Viswanadha, and Zaccour, Georges

Subjects
Mathematics - Optimization and Control
Abstract

We consider a two-player linear-state differential game, where one player intervenes continuously in the game, while the other implements an impulse control. When the impulse instants are exogenous, we obtain the classical result in linear-state differential games that open-loop and feedback Nash equilibria coincide. When the impulse instants are endogenous, we show that this result no longer holds. In particular, the two equilibria are different. We show that the impulse level is a constant in both equilibria. More importantly, in the open-loop case, we show that the equilibrium number of impulses is at most one, while there can be at most two impulses in the feedback case., Comment: This paper is being withdrawn because some of the results are incorrect. In particular, it can be shown using a reformulation that the control problems of the two players are decoupled

Published
2020

10. Node-Consistent Core in DGPETs

Author

Parilina, Elena, Reddy, Puduru Viswanadha, Zaccour, Georges, Moulin, Hervé, Editor-in-Chief, Tijs, S.H., Honorary Editor, Peters, Hans, Editor-in-Chief, Herings, Jean-Jacques, Series Editor, Jackson, Matthew O., Series Editor, Kaneko, Mamuro, Series Editor, Keiding, Hans, Series Editor, Peleg, Bezalel, Series Editor, Puppe, Clemens, Series Editor, Roth, Alvin E., Series Editor, Schmeidler, David, Series Editor, Selten, Reinhard, Honorary Editor, Thomson, William, Series Editor, Vohra, Rakesh, Series Editor, Wakker, Peter P., Series Editor, Parilina, Elena, Reddy, Puduru Viswanadha, and Zaccour, Georges

Published
2022
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11. Sustainability of Cooperation in Dynamic Games

Author

Parilina, Elena, Reddy, Puduru Viswanadha, Zaccour, Georges, Moulin, Hervé, Editor-in-Chief, Tijs, S.H., Honorary Editor, Peters, Hans, Editor-in-Chief, Herings, Jean-Jacques, Series Editor, Jackson, Matthew O., Series Editor, Kaneko, Mamuro, Series Editor, Keiding, Hans, Series Editor, Peleg, Bezalel, Series Editor, Puppe, Clemens, Series Editor, Roth, Alvin E., Series Editor, Schmeidler, David, Series Editor, Selten, Reinhard, Honorary Editor, Thomson, William, Series Editor, Vohra, Rakesh, Series Editor, Wakker, Peter P., Series Editor, Parilina, Elena, Reddy, Puduru Viswanadha, and Zaccour, Georges

Published
2022
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12. Node-Consistent Single-Valued Solutions in DGPETs

Author

Parilina, Elena, Reddy, Puduru Viswanadha, Zaccour, Georges, Moulin, Hervé, Editor-in-Chief, Tijs, S.H., Honorary Editor, Peters, Hans, Editor-in-Chief, Herings, Jean-Jacques, Series Editor, Jackson, Matthew O., Series Editor, Kaneko, Mamuro, Series Editor, Keiding, Hans, Series Editor, Peleg, Bezalel, Series Editor, Puppe, Clemens, Series Editor, Roth, Alvin E., Series Editor, Schmeidler, David, Series Editor, Selten, Reinhard, Honorary Editor, Thomson, William, Series Editor, Vohra, Rakesh, Series Editor, Wakker, Peter P., Series Editor, Parilina, Elena, Reddy, Puduru Viswanadha, and Zaccour, Georges

Published
2022
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13. Multistage Games

Author

Parilina, Elena, Reddy, Puduru Viswanadha, Zaccour, Georges, Moulin, Hervé, Editor-in-Chief, Tijs, S.H., Honorary Editor, Peters, Hans, Editor-in-Chief, Herings, Jean-Jacques, Series Editor, Jackson, Matthew O., Series Editor, Kaneko, Mamuro, Series Editor, Keiding, Hans, Series Editor, Peleg, Bezalel, Series Editor, Puppe, Clemens, Series Editor, Roth, Alvin E., Series Editor, Schmeidler, David, Series Editor, Selten, Reinhard, Honorary Editor, Thomson, William, Series Editor, Vohra, Rakesh, Series Editor, Wakker, Peter P., Series Editor, Parilina, Elena, Reddy, Puduru Viswanadha, and Zaccour, Georges

Published
2022
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14. Cooperative Equilibria in DGPETs

Author

Parilina, Elena, Reddy, Puduru Viswanadha, Zaccour, Georges, Moulin, Hervé, Editor-in-Chief, Tijs, S.H., Honorary Editor, Peters, Hans, Editor-in-Chief, Herings, Jean-Jacques, Series Editor, Jackson, Matthew O., Series Editor, Kaneko, Mamuro, Series Editor, Keiding, Hans, Series Editor, Peleg, Bezalel, Series Editor, Puppe, Clemens, Series Editor, Roth, Alvin E., Series Editor, Schmeidler, David, Series Editor, Selten, Reinhard, Honorary Editor, Thomson, William, Series Editor, Vohra, Rakesh, Series Editor, Wakker, Peter P., Series Editor, Parilina, Elena, Reddy, Puduru Viswanadha, and Zaccour, Georges

Published
2022
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15. Cooperative Games

Author

Parilina, Elena, Reddy, Puduru Viswanadha, Zaccour, Georges, Moulin, Hervé, Editor-in-Chief, Tijs, S.H., Honorary Editor, Peters, Hans, Editor-in-Chief, Herings, Jean-Jacques, Series Editor, Jackson, Matthew O., Series Editor, Kaneko, Mamuro, Series Editor, Keiding, Hans, Series Editor, Peleg, Bezalel, Series Editor, Puppe, Clemens, Series Editor, Roth, Alvin E., Series Editor, Schmeidler, David, Series Editor, Selten, Reinhard, Honorary Editor, Thomson, William, Series Editor, Vohra, Rakesh, Series Editor, Wakker, Peter P., Series Editor, Parilina, Elena, Reddy, Puduru Viswanadha, and Zaccour, Georges

Published
2022
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16. Noncooperative Dynamic Games Played over Event Trees

Author

Parilina, Elena, Reddy, Puduru Viswanadha, Zaccour, Georges, Moulin, Hervé, Editor-in-Chief, Tijs, S.H., Honorary Editor, Peters, Hans, Editor-in-Chief, Herings, Jean-Jacques, Series Editor, Jackson, Matthew O., Series Editor, Kaneko, Mamuro, Series Editor, Keiding, Hans, Series Editor, Peleg, Bezalel, Series Editor, Puppe, Clemens, Series Editor, Roth, Alvin E., Series Editor, Schmeidler, David, Series Editor, Selten, Reinhard, Honorary Editor, Thomson, William, Series Editor, Vohra, Rakesh, Series Editor, Wakker, Peter P., Series Editor, Parilina, Elena, Reddy, Puduru Viswanadha, and Zaccour, Georges

Published
2022
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17. Noncooperative Games

Author

Parilina, Elena, Reddy, Puduru Viswanadha, Zaccour, Georges, Moulin, Hervé, Editor-in-Chief, Tijs, S.H., Honorary Editor, Peters, Hans, Editor-in-Chief, Herings, Jean-Jacques, Series Editor, Jackson, Matthew O., Series Editor, Kaneko, Mamuro, Series Editor, Keiding, Hans, Series Editor, Peleg, Bezalel, Series Editor, Puppe, Clemens, Series Editor, Roth, Alvin E., Series Editor, Schmeidler, David, Series Editor, Selten, Reinhard, Honorary Editor, Thomson, William, Series Editor, Vohra, Rakesh, Series Editor, Wakker, Peter P., Series Editor, Parilina, Elena, Reddy, Puduru Viswanadha, and Zaccour, Georges

Published
2022
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23. Reciprocal Dumping under Dichotomous Regulation

Author

Debia, Sebastien and Zaccour, Georges

Subjects
Electric power -- Prices and rates -- International trade, Dumping (International trade) -- Causes of -- Laws, regulations and rules, Electric industries -- International trade -- Laws, regulations and rules -- Economic aspects, Competition (Economics) -- Laws, regulations and rules -- Analysis, Government regulation, Company pricing policy, Business, Economics, Petroleum, energy and mining industries
Abstract

An essential ingredient to net-zero-emissions policies is to regionally integrate electricity markets. But electricity cross-border trades are often assessed as inefficient. We explain this inefficiency by the presence of a dichotomous regulation: producers are highly regulated with regard to their local activities, but weakly regulated when it comes to their exports. Such a dichotomy in regulation can be generalized to every economic sector, with varying intensity. We develop a generic 2-player 2-stage game theoretical framework where producers anticipate the impact of their exports on the clearing of regulated local markets. We characterize the subgame-perfect Nash equilibrium of the game as a function of the relative price-elasticity between markets. Overall, dichotomous regulation leads producers to over-export in order to create scarcity in their home market. Hence, despite that local markets clear efficiently, the global equilibrium is inefficient. When the two jurisdictions are relatively symmetric, the equilibrium is Pareto-dominated by the first-best outcome. These results call for better coordination between regulators across different jurisdictions. Keywords: International trade. Regional integration, Electricity markets, Competition policy, Regulation, Game theory, 1. INTRODUCTION An essential ingredient to net-zero-emissions policies is to regionally integrate electricity markets for allowing a better access to renewable energy sources, and hedging their intermittency (IEA, 2021). In [...]

Published
2022
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44. Preface: Special Issue on Game Theory and Optimization in Honor of Pierre Bernhard.

Author

Deschamps, Marc and Zaccour, Georges

Subjects
GAME theory, MATHEMATICAL optimization, ZERO sum games, DIFFERENTIAL games, LABORATORIES, SONS, APPLIED mathematics
Abstract

This article serves as a preface to a special issue of the International Game Theory Review, dedicated to game theory and optimization in honor of Pierre Bernhard. It highlights Pierre's significant contributions to the scientific community, particularly in applied mathematics and game theory. The special issue contains 10 contributions from friends and collaborators of Pierre, covering a range of topics such as evolutionary economic models, dynamic game-theoretic frameworks, and mathematical biology. The article also includes testimonials from colleagues and friends, providing insight into Pierre's impact on their careers and his role in the development of INRIA-Sophia Antipolis. [Extracted from the article]

Published
2024
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49. Operational Research: methods and applications

Author

Petropoulos, Fotios, primary, Laporte, Gilbert, additional, Aktas, Emel, additional, Alumur, Sibel A., additional, Archetti, Claudia, additional, Ayhan, Hayriye, additional, Battarra, Maria, additional, Bennell, Julia A., additional, Bourjolly, Jean-Marie, additional, Boylan, John E., additional, Breton, Michèle, additional, Canca, David, additional, Charlin, Laurent, additional, Chen, Bo, additional, Cicek, Cihan Tugrul, additional, Cox, Louis Anthony, additional, Currie, Christine S.M., additional, Demeulemeester, Erik, additional, Ding, Li, additional, Disney, Stephen M., additional, Ehrgott, Matthias, additional, Eppler, Martin J., additional, Erdoğan, Güneş, additional, Fortz, Bernard, additional, Franco, L. Alberto, additional, Frische, Jens, additional, Greco, Salvatore, additional, Gregory, Amanda J., additional, Hämäläinen, Raimo P., additional, Herroelen, Willy, additional, Hewitt, Mike, additional, Holmström, Jan, additional, Hooker, John N., additional, Işık, Tuğçe, additional, Johnes, Jill, additional, Kara, Bahar Y., additional, Karsu, Özlem, additional, Kent, Katherine, additional, Köhler, Charlotte, additional, Kunc, Martin, additional, Kuo, Yong-Hong, additional, Letchford, Adam N., additional, Leung, Janny, additional, Li, Dong, additional, Li, Haitao, additional, Lienert, Judit, additional, Ljubić, Ivana, additional, Lodi, Andrea, additional, Lozano, Sebastián, additional, Lurkin, Virginie, additional, Martello, Silvano, additional, McHale, Ian G., additional, Midgley, Gerald, additional, Morecroft, John D.W., additional, Mutha, Akshay, additional, Oğuz, Ceyda, additional, Petrovic, Sanja, additional, Pferschy, Ulrich, additional, Psaraftis, Harilaos N., additional, Rose, Sam, additional, Saarinen, Lauri, additional, Salhi, Said, additional, Song, Jing-Sheng, additional, Sotiros, Dimitrios, additional, Stecke, Kathryn E., additional, Strauss, Arne K., additional, Tarhan, İstenç, additional, Thielen, Clemens, additional, Toth, Paolo, additional, Van Woensel, Tom, additional, Berghe, Greet Vanden, additional, Vasilakis, Christos, additional, Vaze, Vikrant, additional, Vigo, Daniele, additional, Virtanen, Kai, additional, Wang, Xun, additional, Weron, Rafał, additional, White, Leroy, additional, Yearworth, Mike, additional, Yıldırım, E. Alper, additional, Zaccour, Georges, additional, and Zhao, Xuying, additional

Published
2023
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