تقرير
Diagonal cycles and anticyclotomic Iwasawa theory of modular forms
| العنوان: | Diagonal cycles and anticyclotomic Iwasawa theory of modular forms |
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| المؤلفون: | Castella, Francesc, Do, Kim Tuan |
| سنة النشر: | 2023 |
| المجموعة: | Mathematics |
| مصطلحات موضوعية: | Mathematics - Number Theory |
| الوصف: | We construct a new anticyclotomic Euler system (in the sense of Jetchev-Nekovar-Skinner) for the Galois representation $V_{f,\chi}$ attached to a newform $f$ of weight $k\geq 2$ twisted by an anticyclotomic Hecke character $\chi$. We then show some arithmetic applications of the constructed Euler system, including new results on the Bloch-Kato conjecture in ranks zero and one, and a divisibility towards the Iwasawa-Greenberg main conjecture for $V_{f,\chi}$. In particular, in the case where the base-change of $f$ to our imaginary quadratic field has root number $+1$ and $\chi$ has higher weight (which implies that the complex $L$-function $L(V_{f,\chi},s)$ vanishes at the center), our results show that the Bloch-Kato Selmer group of $V_{f,\chi}$ is nonzero, and if a certain distinguished class $\kappa_{f,\chi}$ is nonzero, then the Selmer group is one-dimensional. Such applications to the Bloch-Kato conjecture were left wide open by the earlier approaches using Heegner cycles and/or Beilinson-Flach classes. Our construction is based instead on a generalisation of the Gross-Kudla-Schoen diagonal cycles. Comment: 50 pages |
| نوع الوثيقة: | Working Paper |
| URL الوصول: | http://arxiv.org/abs/2303.06751 |
| رقم الأكسشن: | edsarx.2303.06751 |
| قاعدة البيانات: | arXiv |
| الوصف غير متاح. |