Adebisi Agboola, Benjamin Howard
We study the Iwasawa theory of a CM elliptic curve $E$ in the anticyclotomic $\mathbf{Z}_p$-extension $D_\infty$ of the CM field $K$, where $p$ is a prime of good, supersingular reduction for $E$. Our main result yields an asymptotic formula for the corank of the $p$-primary Selmer group of $E$ along the extension $D_\infty/K$.
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We study the Iwasawa theory of a CM elliptic curve $E$ in the anticyclotomic $\mathbf{Z}_p$-extension of the CM field, where $p$ is a prime of good, ordinary reduction for $E$. When the complex $L$-function of $E$ vanishes to even order, the two variable main conjecture of Rubin implies that the Pontryagin dual of the $p$-power Selmer group over the anticyclotomic extension is a torsion Iwasawa module. When the order of vanishing is odd, work of Greenberg shows that it is not a torsion module. In this paper we show that in the case of odd order of vanishing the dual of the Selmer group has ran…
We generalize the work of Bertolini and Darmon on the anticyclotomic main conjecture for weight two forms to higher weight modular forms.
Statistics for Anticyclotomic Iwasawa Invariants of Elliptic Curves
本文研究椭圆曲线Selmer群在反圆Zp-扩张中Iwasawa不变量的平均行为，涵盖确定与不定两种情形，结果位于算术统计学与Iwasawa理论的交叉领域。
Building on the construction of big Heegner points in the quaternionic setting, and their relation to special values of Rankin-Selberg $L$-functions, we obtain anticyclotomic analogues of the results of Emerton-Pollack-Weston on the variation of Iwasawa invariants in Hida families. In particular, combined with the known cases of the anticyclotomic Iwasawa main conjecture in weight $2$, our results yield a proof of the main conjecture for $p$-ordinary newforms of higher weights and trivial nebentypus.
Following Bertolini and Darmon's method, with "Ihara's lemma" among other conditions Longo and Wang proved one divisibility of Iwasawa main conjecture for Hilbert modular forms of weight $2$ and general low parallel weight respectively. In this paper, we remove the "Ihara's lemma" condition in their results.
In this article, we study the Iwasawa theory for Hilbert modular forms over the anticyclotomic extension of a CM field. We prove a one sided divisibility result toward the Iwasawa main conjecture. The proof relies on the first and second reciprocity law relating theta elements to Heegner points Euler system. As a by-product we also prove certain Bloch-Kato type result in the rank $0$ case and a parity conjecture
Anticyclotomic Iwasawa main conjectures for modular forms
本文在满足适当算术条件的情况下，证明了模形式在K的反环形Z_p扩张上的Iwasawa主猜想，包括确定性和不定性情形，并提出了Perrin-Riou型主猜想。
This is the first in a series of articles where we will study the Iwasawa theory of an elliptic modular form f along the anticyclotomic Zp-tower of an imaginary quadratic field K where the prime p splits completely. Our goal in this portion is to prove the Iwasawa main conjecture for suitable twists of f assuming that f is p-ordinary, both in the definite and indefinite setups simultaneously, via an analysis of Beilinson-Flach elements.
On Anticyclotomic Iwasawa Theory of Hecke Characters at Ordinary Primes
本文研究普通素数处 Hecke 特征的岩泽理论，证明了 CM 希尔伯特模形式的反环论岩泽主猜想，并得到了 CM 阿贝尔簇的 Mordell-Weil 秩的相关结果。
Let $E/\mathbb{Q}$ be an elliptic curve, and $p$ a prime where $E$ has good reduction, and assume that $E$ admits a rational $p$-isogeny. In this paper, we study the anticyclotomic Iwasawa theory of $E$ over an imaginary quadratic field in which $p$ splits, which we relate to the anticyclotomic Iwasawa theory of characters following the method of Greenberg--Vatsal. As a result of our study, we obtain a proof, under mild hypotheses, of Perrin-Riou's Heegner point main conjecture, as well as a $p$-converse to the theorem of Gross--Zagier and Kolyvagin and the $p$-part of the Birch--Swinnerton-Dy…
Iwasawa's main conjecture for Rankin-Selberg motives in the anticyclotomic case
本文在酉群的Gan--Gross--Prasad猜想框架下，研究了CM域上GL(n)×GL(n+1)尖点自守表示沿反循环方向的岩泽理论，并证明了相应岩泽主猜想的单侧整除性。
Congruent modular forms and anticyclotomic Iwasawa theory
本文在反环不定情形下，通过比较同余模形式$f_1,f_2$的BDP $p$-adic $L$函数，推广了Greenberg-Vatsal和Emerton-Pollack-Weston的结果，并得到广义Heegner循环与Iwasawa主猜想的算术推论。
Let $p$ be an odd prime and $K$ an imaginary quadratic field where $p$ splits. Under appropriate hypotheses, Bertolini showed that the Selmer group of a $p$-ordinary elliptic curve over the anticyclotomic $\mathbb Z_p$-extension of $K$ does not admit any proper $Λ$-submodule of finite index, where $Λ$ is a suitable Iwasawa algebra. We generalize this result to the plus and minus Selmer groups (in the sense of Kobayashi) of $p$-supersingular elliptic curves. In particular, in our setting the plus/minus Selmer groups have $Λ$-corank one, so they are not $Λ$-cotorsion. As an application of our ma…
Wall crossing in Iwasawa theory
本文在酉群 Gan-Gross-Prasad 猜想背景下建立反圆分岩泽理论框架，提出多个主猜想，并用 Galois 上同调抽象定理揭示其联系。
Vanishing of the p-part of the Shafarevich-Tate group of a modular form and its consequences for Anticyclotomic Iwasawa Theory
本文在反圆Iwasawa理论中定义了模形式Shafarevich-Tate群的p-部分，并证明当基本广义Heegner圈非挠且不被p整除时该群在两个层级上均消失，从而细化了Longo-Vigni定理。
Vanishing of $\mathrm{Sha}(A/K)[\mathfrak{P}^\infty]$ and its consequences for the anticyclotomic Iwasawa theory of $\mathrm{GL}_2$-abelian varieties
本文将椭圆曲线Shafarevich-Tate群p部分在虚二次域上消失的Kolyvagin经典结果，推广到全实域上GL₂型模阿贝尔簇及其CM扩域，结合已有Iwasawa理论，证明K的反循环多Zₚ扩张层上存在类似消失性。
Anticyclotomic Iwasawa theory of CM elliptic curves at ramified primes
该研究针对CM域中分歧素数处的CM椭圆曲线，构建反分圆岩泽理论的整框架，定义带符号塞尔默群，证明相关岩泽主猜想，填补了无非三角几何形变的对应理论空白。
Let $E$ be an elliptic curve defined over ${\bf Q}$ and $K$ an imaginary quadratic field satisfying the Heegner hypothesis. A classical result of Kolyvagin states that, under suitable assumptions, if the basic Heegner point $y_K \in E(K)$ is not divisible by an odd prime $p$, then the groups $E(K)/{\bf Z} y_K$ and $\sha(E/K)$ are finite and their orders are prime to $p$. In this article we develop the following themes: firstly, we discuss improvements of Kolyvagin's result, following Cha (2005) and Lawson and Wuthrich (2016). Secondly, we prove an abstract Iwasawa-theoretical result which allo…
Let $E/\mathbb{Q}$ be an elliptic curve and let $K$ be an imaginary quadratic field. Under a certain Heegner hypothesis, Kolyvagin constructed cohomology classes for $E$ using $K$-CM points and conjectured they did not all vanish. Conditional on this conjecture, he described the Selmer rank of $E$ using his system of classes. We extend work of Wei Zhang to prove new cases of Kolyvagin's conjecture by considering congruences of modular forms modulo large powers of $p $. Additionally, we prove an analogous result, and give a description of the Selmer rank, in a complementary "definite" case (usi…
Anticyclotomic Iwasawa theory of abelian varieties of $\mathrm{GL}_2$-type at non-ordinary primes
本文推广Darmon-Iovita的正负Iwasawa主猜想至$\mathrm{GL}_2$型阿贝尔簇（非普通素数，分裂情形）及椭圆曲线（惰性情形），并证明相应的单侧包含关系。
Diagonal cycles and anticyclotomic Iwasawa theory of modular forms
本研究推广Gross-Kudla-Schoen对角圈，为模形式扭表示构造新反分圆欧拉系，解决了此前方法未覆盖的Bloch-Kato猜想相关问题，并推进Iwasawa-Greenberg主猜想研究。
Higher Fitting ideals and the structure of anticyclotomic Shafarevich-Tate groups
本文研究了反圆环Z_p扩展上椭圆曲线塞尔默和谢夫列夫-塔特群的结构，通过双分欧拉系统描述了更高Fitting理想，并提供了相关的新结果。
The anticyclotomic main conjectures for elliptic curves
本文研究了在虚二次域的反 cyclotomic扩展中，有理椭圆曲线的Iwasawa理论主猜想的证明，涵盖了良好ordinary和supersingular情况下的算术假设。
On the Iwasawa Main Conjecture for generalized Heegner classes in a quaternionic setting
本文针对更高权普通模形式与满足松弛Heegner假设的虚二次域，沿用Howard等的方法构造广义Heegner类的$Λ$-进Kolyvagin系统，证明了反循环岩泽主猜想的一个整除关系，并将其应用于Magrone定义的$p$-进$L$-函数的岩泽-格林伯格主猜想。
In this paper we prove an anticyclotomic Iwasawa main conjecture proposed by Perrin-Riou for Heegner points when the global sign is -1, using a recent work of the author on one divisibility of Iwasawa-Greenberg main conjecture for Rankin-Selberg p-adic L-functions. As a byproduct we also prove the equality for the above mentioned main conjecture under some local conditions.
On the anticyclotomic Iwasawa theory of newforms at Eisenstein primes of semistable reduction
该研究去除了已有结果的限制条件，将半稳定约化艾森斯坦素数下新形式的反分圆岩泽理论推广到更高权情形，证明了相关岩泽主猜想与强BSD猜想的p部分，得到p逆定理并应用于Goldfeld猜想。
Anticyclotomic Euler Systems for CM fields
本文在 CM 扩张满足普通假设且存在一次素位的条件下，利用 Urban 方法构造反环分欧拉系统，并证明反环分岩泽主猜想的一个整除方向。
We study the variation of Iwasawa invariants of the anticyclotomic Selmer groups of congruent modular forms under the Heegner hypothesis. In particular, we show that even if the Selmer groups we study may have positive coranks, the mu-invariant vanishes for one modular form if and only if it vanishes for the other, and that their lambda-invariants are related by an explicit formula. This generalizes results of Greenberg-Vatsal for the cyclotomic extension, as well as results of Pollack-Weston and Castella-Kim-Longo for the anticyclotomic extension when the Selmer groups in question are cotorsi…
Galois cohomology of elliptic curves over anticyclotomic extensions
本文研究虚二次域上椭圆曲线在反cyclotomic扩张中的Iwasawa理论，并分析其对偶Selmer群的伽罗瓦上同调。
Anticyclotomic Iwasawa theory of abelian varieties of $\mathrm{GL}_2$-type at non-ordinary primes II
本文将Castella和Wan的超奇异素数处椭圆曲线反分圆Heegner点主猜想结果推广至$\u200b\mathrm{GL}_2$-型阿贝尔簇的Sprung型猜想及$p$惰性情形的正负猜想，证明了部分结果并给出Gross–Zagier与Kolyvagin定理的$p$-逆命题。
We give two algorithms to compute layers of the anticyclotomic ${\bf Z}_3$-extension of an imaginary quadratic field. The first is based on complex multiplication techniques for nonmaximal orders; the second is based on Kummer theory. As an illustration of our results, we use the mirroring principle to derive results on the structure of class groups of nonmaximal orders.
Anticyclotomic Euler system over biquadratic fields
该研究构造了虚双二次域上反分圆Hecke特征扭化的新形式伽罗瓦表示的Jetchev-Nekovar-Skinner型反分圆欧拉系，并给出其在Bloch-Kato猜想与Iwasawa-Greenberg主猜想整除性问题上的数论应用。
On the anticyclotomic Mazur-Tate conjecture for elliptic curves with supersingular reduction
该短注针对具有超奇异约化的椭圆曲线，研究其Selmer群Fitting理想相关的Mazur-Tate“弱”主猜想的反分圆类似问题。
In this paper we propose and prove an anticyclotomic Iwasawa main conjecture for Heegner points on supersingular elliptic curves with $a_p=0$. The result has a "$\pm$" nature in the sense of Kobayashi. The proof uses a recent work of the second author on one divisibility in the Iwasawa--Greenberg main conjecture for Rankin-Selberg $p$-adic $L$-functions, together with an argument of Howard (adapted to our "$\pm$"-situation). As a byproduct, we also obtain an improvement of Skinner's result on a converse to the Gross--Zagier--Kolyvagin theorem.
On anticyclotomic Selmer groups of elliptic curves
本文在温和假设下证明超奇异椭圆曲线反cyclotomic扩张上符号Selmer群对偶无有限子模，推广Bertolini结果并改进Hatley-Lei-Vigni定理。
On the Fitting ideals of anticyclotomic Selmer groups of elliptic curves with good ordinary reduction
本文通过theta元素确定了反圆环$\mathbb{Z}_p$-扩展中Selmer群的拟环理想，证明了Kurihara主猜想的反圆环版本。
Let $E$ be an elliptic curve over $\mathbb Q$ and let $p\geq5$ be a prime of good supersingular reduction for $E$. Let $K$ be an imaginary quadratic field satisfying a modified "Heegner hypothesis" in which $p$ splits, write $K_\infty$ for the anticyclotomic $\mathbb Z_p$-extension of $K$ and let $Λ$ denote the Iwasawa algebra of $K_\infty/K$. By extending to the supersingular case the $Λ$-adic Kolyvagin method originally developed by Bertolini in the ordinary setting, we prove that Kobayashi's plus/minus $p$-primary Selmer groups of $E$ over $K_\infty$ have corank $1$ over $Λ$. As an applicat…
Let $E$ be a rational elliptic curve and let $p$ be an odd prime of additive reduction. Let $K$ be an imaginary quadratic field and fix a positive integer $c$ prime to the conductor of $E$. The main goal of the present article is to define an anticyclotomic $p$-adic $L$-function $Ł$ attached to $E/K$ when $E/\QQ_p$ attains semistable reduction over an abelian extension. We prove that $Ł$ satisfies the expected interpolation properties; namely, we show that if $χ$ is an anticyclotomic character of conductor $cp^n$ then $χ(Ł)$ is equal (up to explicit constants) to $L(E,χ,1)$ or $L'(E,χ,1)$.
Asymptotic formula for Tate-Shafarevich groups of $p$-supersingular elliptic curves over anticyclotomic extensions
本文在广义Heegner假设下，研究了p-超奇异椭圆曲线在反圆塔Z_p-扩张中数域上的Tate-Shafarevich群的p-准素子群，并给出了其渐近公式。
We construct a bipartite Euler system in the sense of Howard for Hilbert modular eigenforms of parallel weight two over totally real fields, generalizing works of Bertolini-Darmon, Longo, Nekovar, Pollack-Weston and others. The construction has direct applications to Iwasawa main conjectures. For instance, it implies in many cases one divisibility of the associated dihedral or anticyclotomic main conjecture, at the same time reducing the other divisibility to a certain nonvanishing criterion for the associated p-adic L-functions. It also has applications to cyclotomic main conjectures for Hilb…
The growth of Tate-Shafarevich groups of $p$-supersingular elliptic curves over anticyclotomic $\mathbb{Z}_p$-extensions at inert primes
该研究在带符号Selmer群为余挠模的假设下，证明了$p$-超奇异椭圆曲线在虚二次域反循环$\u2124_p$-扩张子扩张上的Mordell-Weil秩有界，并给出其Tate-Shafarevich群$p$-部分增长的渐近公式。
A remark on the characteristic elements of anticyclotomic Selmer groups of elliptic curves with complex multiplication at supersingular primes
本文针对超奇异素数处带复乘的椭圆曲线，基于Burungale--Kobayashi--Ota的局部点结构研究突破，建立了反分圆扩张下余挠带符号Selmer群与精细Selmer群的特征理想关联，补充了Agboola--Howard的相关结果。
Iwasawa theory of modular forms over anticyclotomic $\mathbb{Z}_p$-extensions of imaginary quadratic fields has been studied by several authors, starting from the works of Bertolini-Darmon and Iovita-Spiess, under the crucial assumption that the prime $p$ is unramified in $K$. We start in this article the systematic study of anticyclotomic $p$-adic $L$-functions when $p$ is ramified in $K$. In particular, when $f$ is a weight $2$ modular form attached to an elliptic curve $E/\mathbb{Q}$ having multiplicative reduction at $p$, and $p$ is ramified in $K$, we show an analogue of the exceptional z…
This paper aims at studying the Iwasawa $λ$-invariant of the $p$-primary Selmer group. We study the growth behaviour of $p$-primary Selmer groups in $p$-power degree extensions over non-cyclotomic $\mathbb{Z}_p$-extensions of a number field. We prove a generalization of Kida's formula in such a case. Unlike the cyclotomic $\mathbb{Z}_p$-extension, where all primes are finitely decomposed; in the $\mathbb{Z}_p$-extensions we consider, primes may be infinitely decomposed. In the second part of the paper, we study the relationship for Iwasawa invariants with respect to congruences, obtaining refi…
Iwasawa Main Conjecture for ordinary semistable elliptic curves over global function fields
本文在全局函数域上证明了普通半稳定椭圆曲线的Iwasawa主猜想，通过引入χ公式和μ不变量假设，展示了相关特征理想与p进L-函数的联系。
Let $K$ be an imaginary quadratic field where $p$ splits. We study signed Selmer groups for non-ordinary modular forms over the anticyclotomic $\mathbf{Z}_p$-extension of $K$, showing that their $μ$-invariants vanish. This generalizes and gives a new proof of a recent result of Matar on the vanishing of the $μ$-invariants of plus and minus signed Selmer groups for elliptic curves.
We study the average behaviour of the Iwasawa invariants for the Selmer groups of elliptic curves, setting out new directions in arithmetic statistics and Iwasawa theory.
In this paper, we prove the Iwasawa main conjecture for elliptic curves at an odd supersingular prime p. Some consequences are the p-parts of the leading term formulas in the Birch and Swinnerton-Dyer conjectures for analytic rank 0 or 1.
Statistics for Iwasawa Invariants of elliptic curves, $\rm{II}$
本文研究椭圆曲线 Selmer 群 Iwasawa 不变量的平均行为，并在算术统计与 Iwasawa 理论交叉方向给出具有指定不变量的有理椭圆曲线密度的无条件下界。
Let $E$ be an elliptic curve over an imaginary quadratic field $K$, and $p$ be an odd prime such that the residual representation $E[p]$ is reducible. The $μ$-invariant of the fine Selmer group of $E$ over the anticyclotomic $\mathbb{Z}_p$-extension of $K$ is studied. We do not impose the Heegner hypothesis on $E$, thus allowing certain primes of bad reduction to decompose infinitely in the anticyclotomic $\mathbb{Z}_p$-extension. It is shown that the fine $μ$-invariant vanishes if certain explicit conditions are satisfied. Further, a partial converse is proven.
On the Iwasawa theory of elliptic curves at Eisenstein primes
本文为作者在2022年ICTS研讨会上关于椭圆曲线在Eisenstein素数处Iwasawa理论的迷你课程扩展笔记。
Bleher et al. began studying higher codimension Iwasawa theory for classical Iwasawa modules. Subsequently, Lei and Palvannan studied an analogue for elliptic curves with supersingular reduction. In this paper, we obtain a vast generalization of the work of Lei and Palvannan. A key technique is an approach to the work of Bleher et al. that the author previously proposed. For this purpose, we also study the structure of $\pm$-norm subgroups and duality properties of multiply-signed Selmer groups.
We formulate integral Iwasawa main conjectures for suitable twists of a newform $f$ that is non-ordinary at $p$, over the cyclotomic $\mathbb{Z}_p$-extension, the anticyclotomic $\mathbb{Z}_p$-extensions (in both the definite and the indefinite cases) as well as the $\mathbb{Z}_p^2$-extension of an imaginary quadratic field $K$ where $p$ splits. In order to do so, we define Kobayashi-Sprung-style signed Coleman maps, which we use to introduce doubly-signed Selmer groups. In the same spirit, we construct signed (integral) Beilinson-Flach elements (out of the collection of unbounded Beilinson-Fl…
On the triviality of the unramified Iwasawa modules of the maximal multiple $\mathbb{Z}_p$-extensions
本文分类了奇素数 $p$ 完全分裂且非分歧岩泽模 $X(\tilde{k})$ 为零的 CM 域，建立了其与反cyclotomic $\mathbb{Z}_p$ 扩张的 $p$-分裂岩泽模平凡性的联系，并基于广义格林伯格猜想给出充分条件的替代证明。
We establish several results towards the two-variable main conjecture of Iwasawa theory for elliptic curves without complex multiplication over imaginary quadratic fields, namely (i) the existence of an appropriate p-adic L-function, building on works of Hida and Perrin-Riou, (ii) the basic structure theory of the dual Selmer group, following works of Coates, Hachimori-Venjakob, et al., and (iii) the implications of dihedral or anticyclotomic main conjectures with basechange. The result of (i) is deduced from the construction of Hida and Perrin-Riou, which in particular is seen to give a bound…
We discuss abelian equivariant Iwasawa theory for elliptic curves over $\mathbb{Q}$ at good supersingular primes and non-anomalous good ordinary primes. Using Kobayashi's method, we construct equivariant Coleman maps, which send the Beilinson-Kato element to the equivariant $p$-adic $L$-functions. Then we propose equivariant main conjectures and, under certain assumptions, prove one divisibility via Euler system machinery. As an application, we prove a case of a conjecture of Mazur-Tate.
Exceptional zero formulas for anticyclotomic p-adic L-functions
本文研究一般数域上椭圆曲线反圆p进L-函数在乘法约化位置处的例外零点现象，利用Fornea-Gehrmann的plectic点构造推广其主结果，给出用plectic点与Tate周期表示p进L-函数r阶导数的p进Gross-Zagier型公式。
On the Mazur--Tate refined conjecture for the anticyclotomic tower at inert primes
本文针对$p\geq5$为惰性素数且椭圆曲线在该处超奇异约化的情形，利用Burungale--Büyükboduk--Lei的结果，证明了虚二次域反圆塔上的弱Mazur--Tate精细猜想。
On the structure of the Bloch--Kato Selmer groups of modular forms over anticyclotomic $\mathbf{Z}_p$-towers
本文研究模形式在反 cyclotomic Z_p 塔中的 Bloch-Kato 柯西群结构，证明在广义 Heegner 假设下，柯西群的 Pontryagin 对偶为自由模，并使 Bloch-Kato-Shafarevich-Tate 群消失。
In this article, we discuss Iwasawa Main Conjecture for $p$-adic families of elliptic modular cuspforms. After the overview on the situation of the ordinary case of Hida family, we will introduce a Coleman map for Coleman family for the non-ordinary case (Coleman family) which was obtained as a joint work with Filippo Nuccio [NO16] and we give some results on Iwasawa Theory for Coleman families as applications of . First, we give a construction of a two-variable $p$-adic $L$-function for a Coleman family thanks to the ingredients given in [NO16] (Theorem 5.1). Combining this result and Coleman…
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