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Minimal parabolic k-subgroups acting on symmetric k-varieties corresponding to k-split groups
Journal of Algebra and Its Applications ( IF 0.8 ) Pub Date : 2020-07-25 , DOI: 10.1142/s0219498821501991 Mark Hunnell 1
Journal of Algebra and Its Applications ( IF 0.8 ) Pub Date : 2020-07-25 , DOI: 10.1142/s0219498821501991 Mark Hunnell 1
Affiliation
Symmetric k -varieties are a natural generalization of symmetric spaces to general fields k . We study the action of minimal parabolic k -subgroups on symmetric k -varieties and define a map that embeds these orbits within the orbits corresponding to algebraically closed fields. We develop a condition for the surjectivity of this map in the case of k -split groups that depends only on the dimension of a maximal k -split torus contained within the fixed point group of the involution defining the symmetric k -variety.
中文翻译:
作用于对应于 k 分裂群的对称 k 变量的最小抛物线 k 子群
对称的ķ -varieties 是对称空间对一般领域的自然概括ķ . 我们研究最小抛物线的作用ķ -对称上的子群ķ -varieties 并定义一个映射,将这些轨道嵌入对应于代数封闭域的轨道内。在以下情况下,我们为这张地图的超射性开发了一个条件ķ - 只依赖于最大维度的分组ķ -分裂环包含在定义对称的对合的不动点群中ķ -种类。
更新日期:2020-07-25
中文翻译:
作用于对应于 k 分裂群的对称 k 变量的最小抛物线 k 子群
对称的