ON THE THETA CORRESPONDENCE FOR (GSp(4),GSO(4, 2)) AND SHALIKA PERIODS

ON THE THETA CORRESPONDENCE FOR (GSp(4),GSO(4, 2)) AND SHALIKA PERIODS
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发表时间:
2014
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通讯作者:
Kazuki Morimoto
Kazuki Morimoto
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作者:
Kazuki Morimoto

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我们认为本地和全球θ对应GSP4和GSO4,2。由于偶然的同构PGSO 4,2 PGU 2,2,这些对应关系产生了GSP 4和GU2,2之间的平凡中心字符的表示。在整体情形下,利用这个关系,我们用θ对应刻画了GU(2,2)上具有Shalika周期的平凡中心特征标表示。此外,在本地的情况下,我们认为一个类似的关系不可约的容许表示没有一个假设的中心特征。
We consider both local and global theta correspondences for GSp4 and GSO4,2. Because of the accidental isomorphism PGSO4,2 PGU2,2, these correspondences give rise to those between GSp4 and GU2,2 for representations with trivial central characters. In the global case, using this relation, we characterize representations with trivial central character, which have Shalika period on GU(2, 2) by theta correspondences. Moreover, in the local case, we consider a similar relationship for irreducible admissible representations without an assumption on the central character.