标题： Kottler-Schwarzschild-de Sitter宇宙学的CMC切片 显示英文标题

标题： CMC-Slicings of Kottler-Schwarzschild-de Sitter Cosmologies

摘要： 对于由Kottler-Schwarzschild-de Sitter时空在离散等距作用下的识别所得到的一族单参数宇宙学模型中的每个成员，构造了一种由常平均曲率的球对称柯西超曲面组成的切分。 这些切分在静态 Killing 向量的作用下是唯一的。 得到了关于这些切分的不同叶是否不相交的分析和数值结果，即切分形成叶状结构的情况。 显示英文摘要

摘要： There is constructed, for each member of a one-parameter family of cosmological models, which is obtained from the Kottler-Schwarzschild-de Sitter spacetime by identification under discrete isometries, a slicing by spherically symmetric Cauchy hypersurfaces of constant mean curvature. These slicings are unique up to the action of the static Killing vector. Analytical and numerical results are found as to when different leaves of these slicings do not intersect, i.e. when the slicings form foliations.