Saito-Kurokawa lifts and applications to the Bloch-Kato conjecture

Saito-Kurokawa lifts and applications to the Bloch-Kato conjecture
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DOI:
10.1112/s0010437x06002466
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发表时间:
2007-03-01
影响因子:
1.8
通讯作者:
Brown, Jim
Brown, Jim
中科院分区:
数学1区
文献类型:
--
作者:
Brown, Jim

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设f是权为2k - 2的一种新形式,水平为1。在本文中,我们提供的证据Bloch-Kato猜想模形式。证明了在适当的假设下,如果(omega)在bar \L-a\g(k,f)上,则p \H-f(Q,W-f(1 - k)),其中p是一个适当选择的素数,(omega)在bar上是一个有限扩张K/Q(p)的均匀化子.我们证明了这一点,通过建立一个一致性之间的斋藤-黑川升降机F-F的f和尖状西格尔本征形G,这不是斋藤-黑川升降机。然后,我们研究这个同余在伽罗瓦表示中的意义,以产生H-f(1)(Q,W-f(1 - k))中的非平凡p-挠元。
Let f be a newform of weight 2k - 2 and level 1. In this paper we provide evidence for the Bloch-Kato conjecture for modular forms. We demonstrate an implication that under suitable hypotheses if (omega) over bar \L-a\g(k, f) then p \ #H-f (Q, W-f (1 - k)) where p is a suitably chosen prime and (omega) over bar a uniformizer of a finite extension K/Q(p). We demonstrate this by establishing a congruence between the Saito-Kurokawa lift F-f of f and a cuspidal Siegel eigenform G that is not a Saito-Kurokawa lift. We then examine what this congruence says in terms of Galois representations to produce a non-trivial p-torsion element in H-f(1)(Q, W-f (1 - k)).