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arXiv 1606.09064math.AP
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一维向前-向前平均场对策

One-dimensional forward-forward mean-field games

Diogo Gomes, Levon Nurbekyan, Marc Sedjro

摘要:

虽然平均场博弈的终端初值问题的一般理论已经取得了实质性的进展,相应的向前向前问题仍然是知之甚少-即使在一维设置。在这里,我们考虑一维向前向前MFG,研究了解的存在性和长期收敛性。首先,我们讨论这些模型和守恒律系统之间的关系。特别是,我们确定了新的守恒量,并研究了这些系统的一些定性性质。接下来,我们引入一类波动方程,相当于向前向前MFG,我们推导出一个新的配方作为一个守恒律组。对于一阶对数向前向前MFG,我们建立了整体解的存在性。然后,我们考虑了一类显式解,并证明了冲击的存在性。最后,我们研究了抛物向前向前MFG和建立长期收敛的解决方案。

英文摘要:

While the general theory for the terminal-initial value problem for mean-field games (MFGs) has achieved a substantial progress, the corresponding forward-forward problem is still poorly understood - even in the one-dimensional setting. Here, we consider one-dimensional forward-forward MFGs, study the existence of solutions and their long-time convergence. First, we discuss the relation between these models and systems of conservation laws. In particular, we identify new conserved quantities and study some qualitative properties of these systems. Next, we introduce a class of wave-like equations that are equivalent to forward-forward MFGs, and we derive a novel formulation as a system of conservation laws. For first-order logarithmic forward-forward MFG, we establish the existence of a global solution. Then, we consider a class of explicit solutions and show the existence of shocks. Finally, we examine parabolic forward-forward MFGs and establish the long-time convergence of the solutions.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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