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arXiv 1806.07214math.NT
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Iwasawa理论中的余维双圈与超奇约化椭圆曲线

Codimension two cycles in Iwasawa theory and elliptic curves with supersingular reduction

Antonio Lei, Bharathwaj Palvannan

摘要:

Bleher、Chinburg、Greenberg、Kakde、Pappas、Sharifi和Taylor等人的一个成果引发了高余维岩泽理论的研究。作为经典的岩泽主猜想的推广,他们证明了解析对象(一对Katz的$2$ -变量$p$ -adic $L$ -函数)和代数对象(两个“处处无分歧”的岩泽模)之间的关系,涉及$2$ -变量岩泽代数中的余维两个循环。我们证明了一个结果,通过考虑限制的虚二次域$K$(其中一个奇素数$p$分裂)的椭圆曲线$E$,定义在$\mathbb{Q}$,具有良好的超奇约化在$p$。在分析方面,我们考虑在该设置中的八对$2$ -变量$p$ -adic $L$ -函数(其中四个$2$ -变量$p$ -adic $L$ -函数已由Loeffler构造,第五个$2$ -变量$p$ -adic $L$ -函数是由于Hida)。在代数方面,我们考虑了精细Selmer群在$K$的$\mathbb{Z}_p^2$ -扩张上的修改。我们还提供了数值证据,使用算法的波拉克,对一个伪零猜想的科茨-Sujatha。

英文摘要:

A result of Bleher, Chinburg, Greenberg, Kakde, Pappas, Sharifi and Taylor has initiated the topic of higher codimension Iwasawa theory. As a generalization of the classical Iwasawa main conjecture, they prove a relationship between analytic objects (a pair of Katz's $2$-variable $p$-adic $L$-functions) and algebraic objects (two "everywhere unramified'' Iwasawa modules) involving codimension two cycles in a $2$-variable Iwasawa algebra. We prove a result by considering the restriction to an imaginary quadratic field $K$ (where an odd prime $p$ splits) of an elliptic curve $E$, defined over $\mathbb{Q}$, with good supersingular reduction at $p$. On the analytic side, we consider eight pairs of $2$-variable $p$-adic $L$-functions in this setup (four of the $2$-variable $p$-adic $L$-functions have been constructed by Loeffler and a fifth $2$-variable $p$-adic $L$-function is due to Hida). On the algebraic side, we consider modifications of fine Selmer groups over the $\mathbb{Z}_p^2$-extension of $K$. We also provide numerical evidence, using algorithms of Pollack, towards a pseudo-nullity conjecture of Coates-Sujatha.

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