何时任意常半径的切球丛是Einstein的
하시임의상반경적절구총시Einstein적
When is the Tangent Sphere Bundle with Arbitrary Constant Radius Einstein
  • 万方数据
    数学研究 수학연구
    JOURNAL OF MATHEMATICAL STUDY
    2009年 3期 244-250 ,共7页

    陈冬梅%胡自胜

    진동매%호자성

    切球丛%超曲面%Einstein流形%Ricci张量 切毬叢%超麯麵%Einstein流形%Ricci張量
    절구총%초곡면%Einstein류형%Ricci장량
    Tangent sphere bundle%hypersurface%Einstein manifold%Ricci tensor
    研究具有任意常半径r的切球丛,得到该切球丛是Einstein的一个充分必要条件.
    연구구유임의상반경r적절구총,득도해절구총시Einstein적일개충분필요조건.
    The paper studies the tangent bundle with arbitrary constant radius r and derives a necessary and sufficient condition for such tangent sphere bundle to be Einstein.
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