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This paper studies a discrete-time major-minor mean field game of stopping where the major player can choose either an optimal control or stopping time. We look for the relaxed equilibrium as a randomized stopping policy, which is…

最优化与控制 · 数学 2025-10-13 Xiang Yu , Jiacheng Zhang , Keyu Zhang , Zhou Zhou

We consider Cournot mean field games of controls, a model originally developed for the production of an exhaustible resource by a continuum of producers. We prove uniqueness of the solution under general assumptions on the price function.…

最优化与控制 · 数学 2024-10-30 Fabio Camilli , Mathieu Laurière , Qing Tang

We provide a thorough study of a general class of linear-quadratic extended mean field games and control problems in any dimensions where the mean field terms are allowed to be unbounded and there are also presence of cross terms in the…

最优化与控制 · 数学 2023-11-10 Alain Bensoussan , Bohan Li , Sheung Chi Phillip Yam

In this expository article, we give an overview of the concept of potential mean field games of first order. We give a new proof that minimizers of the potential are equilibria by using a Lagrangian formulation. We also provide criteria to…

偏微分方程分析 · 数学 2024-12-20 P. Jameson Graber

We consider deterministic mean field games where the dynamics of a typical agent is non-linear with respect to the state variable and affine with respect to the control variable. Particular instances of the problem considered here are mean…

最优化与控制 · 数学 2022-12-21 Justina Gianatti , Francisco J. Silva

Mean field games formalize dynamic games with a continuum of players and explicit interaction where the players can have heterogeneous states. As they additionally yield approximate equilibria of corresponding $N$-player games, they are of…

最优化与控制 · 数学 2020-01-09 Berenice Anne Neumann

In a probabilistic mean field game driven by a L\'evy process an individual player aims to minimize a long run discounted/ergodic cost by controlling the process through a pair of increasing and decreasing c\`adl\`ag processes, while he is…

最优化与控制 · 数学 2025-05-30 Facundo Oliú

We discuss a class of explicitly solvable mean field type control problems/mean field games with a clear economic interpretation. More precisely, we consider long term average impulse control problems with underlying general one-dimensional…

最优化与控制 · 数学 2021-04-28 Sören Christensen , Berenice Anne Neumann , Tobias Sohr

We consider a class of linear-quadratic-Gaussian mean-field games with a major agent and considerable heterogeneous minor agents in the presence of mean-field interactions. The individual admissible controls are constrained in closed convex…

最优化与控制 · 数学 2017-10-10 Ying Hu , Jianhui Huang , Tianyang Nie

We study mean field games with unbounded coefficients. The existence of a solution is proved. We propose a new approach based on Fokker-Planck-Kolmogorov equations, the Ambrosio-Figalli-Trevisan superposition principle, the method of…

偏微分方程分析 · 数学 2026-03-02 Stanislav V. Shaposhnikov , Dmitry V. Shatilovich

This work deals with a numerical method for solving a mean-field type control problem with congestion. It is the continuation of an article by the same authors, in which suitably defined weak solutions of the system of partial differential…

偏微分方程分析 · 数学 2016-11-08 Yves Achdou , Mathieu Lauriere

We analyze a fractional mean field game of controls system, showing existence of solutions when the order of the fractional Laplacian is $s\in(\frac{1}{2},1)$. Here the running cost depends on the distribution $\mu$ of not only the states…

偏微分方程分析 · 数学 2025-09-08 P. Jameson Graber , Elizabeth Matter , Jesus Ruiz Bolanos

We study a class of deterministic mean field games on finite and infinite time horizons arising in models of optimal exploitation of exhaustible resources. The main characteristic of our game is an absorption constraint on the players'…

综合经济学 · 经济学 2021-04-14 Paulwin Graewe , Ulrich Horst , Ronnie Sircar

We consider variational Mean Field Games endowed with a constraint on the maximal density of the distribution of players. Minimizers of the variational formulation are equilibria for a game where both the running cost and the final cost of…

偏微分方程分析 · 数学 2019-06-19 Hugo Lavenant , Filippo Santambrogio

We develop the linear programming approach to mean-field games in a general setting. This relaxed control approach allows to prove existence results under weak assumptions, and lends itself well to numerical implementation. We consider…

最优化与控制 · 数学 2020-11-24 Roxana Dumitrescu , Marcos Leutscher , Peter Tankov

Mean field games are studied by means of the weak formulation of stochastic optimal control. This approach allows the mean field interactions to enter through both state and control processes and take a form which is general enough to…

概率论 · 数学 2015-04-09 Rene Carmona , Daniel Lacker

In this paper, we investigate the existence and uniqueness of solutions to a stationary mean field game model introduced by J.-M. Lasry and P.-L. Lions. This model features a quadratic Hamiltonian with possibly singular congestion effects.…

偏微分方程分析 · 数学 2014-08-01 Diogo A. Gomes , Hiroyoshi Mitake

We study a class of deterministic mean field games and related optimal control problems, with a finite time horizon and in which the state space is a network. An agent controls her velocity, and, when she occupies a vertex, she can either…

最优化与控制 · 数学 2025-11-25 Yves Achdou , Claudio Marchi , Nicoletta Tchou

In a probabilistic mean-field game driven by a linear diffusion an individual player aims to minimize an ergodic long-run cost by controlling the diffusion through a pair of -- increasing and decreasing -- c\`adl\`ag processes, while he is…

最优化与控制 · 数学 2024-06-13 Sören Christensen , Ernesto Mordecki , Facundo Oliú Eguren

In this paper, we consider a mean field game model inspired by crowd motion where agents aim to reach a closed set, called target set, in minimal time. Congestion phenomena are modeled through a constraint on the velocity of an agent that…

最优化与控制 · 数学 2022-12-23 Saeed Sadeghi Arjmand , Guilherme Mazanti