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Affine Beilinson-Bernstein localization at the critical level for $\mathrm {GL}_2$ | Annals of Mathematics
Annals of Mathematics ( IF 4.9 ) Pub Date : 2022-01-01 , DOI: 10.4007/annals.2022.195.1.4 Sam Raskin 1
中文翻译:
$\mathrm {GL}_2$ 的临界水平的仿射贝林森-伯恩斯坦本地化 | 数学年鉴
更新日期:2022-01-10
Annals of Mathematics ( IF 4.9 ) Pub Date : 2022-01-01 , DOI: 10.4007/annals.2022.195.1.4 Sam Raskin 1
Affiliation
We prove the rank 1 case of a conjecture of Frenkel-Gaitsgory: critical level Kac-Moody representations with regular central characters localize onto the affine Grassmannian. The method uses an analogue in local geometric Langlands of the existence of Whittaker models for most representations of $\mathrm {GL}_2$ over a non-Archimedean field.
中文翻译:
$\mathrm {GL}_2$ 的临界水平的仿射贝林森-伯恩斯坦本地化 | 数学年鉴
我们证明了 Frenkel-Gaitsgory 猜想的 rank 1 案例:具有规则中心字符的临界级别 Kac-Moody 表示定位到仿射 Grassmannian。该方法在非阿基米德场上的大多数 $\mathrm {GL}_2$ 表示中使用了 Whittaker 模型存在的局部几何朗兰兹模拟。