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arXiv 1102.2316math.NT
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Hilbert模形式的共轭与迹公式

Conjugation of Hilbert modular forms and trace formula

Joachim Mahnkopf

摘要:

我们描述(在表示论设置)一个简单的比较迹公式,这意味着共轭的希尔伯特模形式$f$的自同构${\Bbb C}$再次是希尔伯特模形式的相同水平和共轭权的$f$。这是一个定理的志村,我们获得了一个新的证明(参见。定理3.3和推论3.4

英文摘要:

We describe (in a representation theoretic setting) a simple comparison of trace formulas, which implies that the conjugate of a Hilbert modular form $f$ by an automorphism of ${\Bbb C}$ again is a Hilbert modular form of the same level and conjugate weight as $f$. This is a Theorem of Shimura for which we obtain a new proof (cf. Theorem 3.3 and Corollary 3.4

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