f（R）理论综述
An overview of f(R) theories
摘要：
简要介绍了拉格朗日量是标量曲率函数的引力场理论。重点将放在形式的发展，而比较观察将在本章中讨论的S。这卷书里的乔拉斯。
英文摘要：
A brief introduction to theories of the gravitational field with a Lagrangian that is a function of the scalar curvature is given. The emphasis will be placed in formal developments, while comparison to observation will be discussed in the chapter by S. Jorás in this volume.
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。
