修正的引力坍缩，或者说是MOND的奇迹
Modified gravitational collapse, or the wonders of the MOND
摘要：
在银河系和河外天文学和宇宙学中，存在着两种相互竞争的范式，即暗物质和修正的牛顿动力学（MOND），这两种范式在文献中有着许多激烈的讨论。从宇宙学的角度来挑战MOND是非常困难的，因为首先需要一个完整的相对论实现，任何失败都可以归因于一个特定的模型，而不是MOND本身。我们建议在MOND中研究非相对论性阶段的引力坍缩，我们认为，这是一个相关的任务，这场比赛。球对称尘埃云崩溃和内在的不可避免的非线性的深MOND制度进行了讨论。我们的结论是，复杂的，数值和分析，修改后的引力动力学的研究是必要的，以评估MOND的可行性。
英文摘要：
There are many hot discussions in the literature about two competing paradigms in galactic and extra-galactic astronomy and cosmology, namely the Dark Matter and the Modified Newtonian Dynamics (MOND). It is very difficult to challenge MOND from the cosmological side because a full relativistic realisation is needed in the first place, and any failure can then be attributed to a particular model, and not to the MOND itself. We propose to study non-relativistic stages of gravitational collapse in MOND which, we argue, is a relevant task for this competition. Spherically symmetric dust cloud collapse and intrinsic unavoidable non-linearities of the deep MOND regime are discussed. We conclude that complicated, both numerical and analytic, studies of modified gravitational dynamics are needed in order to assess the viability of MOND.
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。
