摘要翻译:
我们研究了SL_3(F)上的牛顿层结,其中F是一个洛朗幂级数场。本文给出了SL_3(F)上仿射Bruhat分解各组分内牛顿层的余维数公式。这些计算与某些仿射Deligne-Lusztig变种的研究有关。特别地,我们描述了在SL_3(F)的情况下确定这些变体中哪一个是非空的方法。
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英文标题:
《Codimensions of Newton Strata for SL_3 in the Iwahori Case》
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作者:
E. T. Mili\'cevi\'c (Beazley)
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最新提交年份:
2008
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分类信息:
一级分类:Mathematics 数学
二级分类:Algebraic Geometry 代数几何
分类描述:Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology
代数簇,叠,束,格式,模空间,复几何,量子上同调
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英文摘要:
We study the Newton stratification on SL_3(F), where F is a Laurent power series field. We provide a formula for the codimensions of the Newton strata inside each component of the affine Bruhat decomposition on SL_3(F). These calculations are related to the study of certain affine Deligne-Lusztig varieties. In particular, we describe a method for determining which of these varieties is non-empty in the case of SL_3(F).
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PDF链接:
https://arxiv.org/pdf/0711.3820


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