随笔分类 -  写作

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摘要:which is ..., since ... and, thus, ... . The zero set of a Killing field is a disjoint union of totally geodesic submanifolds each of even codimension. 阅读全文
posted @ 2024-06-12 16:52 LiuH41 阅读(90) 评论(0) 推荐(0) 编辑

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