Epipelagic $$L$$L-packets and rectifying characters

Epipelagic $$L$$L-packets and rectifying characters
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上层$$L$$L-数据包和纠正字符

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发表时间:
2012
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通讯作者:
Tasho Kaletha
Tasho Kaletha
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作者:
Tasho Kaletha

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我们为一般驯化的还原 p 进群和一类疯狂分支的朗兰兹参数提供了局部朗兰兹对应的显式构造。此外,我们验证了我们的构造满足这种对应关系的许多预期属性。更准确地说,我们表明,我们构造的每个$$L$$L-数据包都承认根据朗兰兹对偶群进行参数化,包含固定惠特克基准的唯一通用元素,满足形式度猜想,与中心和共中心字符兼容,提供稳定的虚拟字符,并满足预期的内窥镜字符身份。此外,我们表明,在 $$mathrm{{GL}}_n$$GLn 的情况下,我们的构造与已建立的局部朗兰兹对应关系一致。我们的技术提供了一种构建驯服分支群和规则超尖端参数的局部朗兰兹对应关系的通用方法。
We provide an explicit construction of the local Langlands correspondence for general tamely-ramified reductive p-adic groups and a class of wildly ramified Langlands parameters. Furthermore, we verify that our construction satisfies many expected properties of such a correspondence. More precisely, we show that each $$L$$L-packet we construct admits a parameterization in terms of the Langlands dual group, contains a unique generic element for a fixed Whittaker datum, satisfies the formal degree conjecture, is compatible with central and cocentral characters, provides a stable virtual character, and satisfies the expected endoscopic character identities. Moreover, we show that in the case of $$mathrm{{GL}}_n$$GLn, our construction coincides with the established local Langlands correspondence. Our techniques provide a general approach to the construction of the local Langlands correspondence for tamely-ramified groups and regular supercuspidal parameters.