The Breuil-Mézard conjecture when l is not equal to p

The Breuil-Mézard conjecture when l is not equal to p
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l 不等于 p 时的布勒伊-梅扎德猜想

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发表时间:
2015
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影响因子:
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通讯作者:
J. Shotton
J. Shotton
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作者:
J. Shotton

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设l和p为素数,设F/Qp为具有绝对伽罗瓦群GF的有限扩展,设F为特征为l的有限域,设ρ: GF→GLn(F)为连续表示。设R (ρ)为ρ的万向框架变形环。如果l = p,则Breuil-Mezard猜想(如[EG14]所述)将R (ρ)中某些循环的模1约简与GLn(of)的某些表示的模1约简联系起来。我们给出了l 6= p时的Breuil-Mezard猜想的一个类比,并利用自同构提升定理证明了l 6= p时的Breuil-Mezard猜想。我们还通过显式计算给出了当n = 2和l > 2时的局部证明,以及当l为F的“准平凡”和ρ为纯分枝时的局部证明。
Let l and p be primes, let F/Qp be a finite extension with absolute Galois group GF , let F be a finite field of characteristic l, and let ρ : GF → GLn(F) be a continuous representation. Let R (ρ) be the universal framed deformation ring for ρ. If l = p, then the Breuil–Mezard conjecture (as formulated in [EG14]) relates the mod l reduction of certain cycles in R (ρ) to the mod l reduction of certain representations of GLn(OF ). We give an analogue of the Breuil–Mezard conjecture when l 6= p, and prove it whenever l > 2 using automorphy lifting theorems. We also give a local proof when n = 2 and l > 2 by explicit calculation, and also when l is “quasi-banal” for F and ρ is tamely ramified.
DOI: --
发表时间: 2017
影响因子: 2.6
作者:
Guralnick, Robert M;Herzig, Florian;Tiep, Pham Huu
通讯作者: Tiep, Pham Huu