Jeffrey Stopple
We numerically investigate, for zeros $ρ=1/2+iγ$, the statistics of the imaginary part of $\log(ζ^\prime(1/2+iγ))$, computed by continuous variation along a vertical line from $σ=4$ to $4+iγ$ and then along a horizontal line to $1/2+iγ$.
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A note on the fourth power moment of the Riemann zeta-function
给出了黎曼ζ函数在临界线上的平均四次幂的渐近展开式中各项的显式表达式。
In this note, we prove Selberg's announced result on $r$-gaps between zeros of the Riemann zeta-function $ζ$. Our proof uses a result on variations of $\argζ$ by Tsang based on Selberg's method. The same result with explicit constants under the Riemann Hypothesis has been obtained by Conrey and Turnage-Butterbaugh using a different method. We explain how to obtain explicit constants under the Riemann Hypothesis using our approach which is based on Selberg's and Tsang's arguments.
Assuming the Riemann Hypothesis, we show that infinitely often consecutive non-trivial zeros of the Riemann zeta-function differ by at most 0.5155 times the average spacing and infinitely often they differ by at least 2.69 times the average spacing.
It is shown explicitly how the sign of Hardy's function $Z(t)$ depends on the parity of the zero-counting function $N(T)$. Two existing definitions of this function are analyzed, and some related problems are discussed.
A note on order estimates of the $q$-analogue of the Riemann zeta function
本文针对固定参数 q，首次给出黎曼 zeta 函数 q-模拟在竖直线上的阶估计界，为后续研究奠定基础。
A note on S(T) and the zeros of the Riemann zeta-function
令$πS(t)$表示黎曼ζ函数在点$\frac12+it$的辐角。假设黎曼假设，我们锐化常数在目前已知的最好的界限为$S(t)$和$S(t)$的变化的时间间隔。然后，我们推导出的zeta函数的零的最大多重性和零之间的最大差距的估计。
This is a reformulation and refutation of a proposed proof of the Riemann hypothesis published in 2013 (arXiv:1305.0323) and in 2014 (arXiv:1402.2822). Proceeding by contradiction, the author wants to prove that if zeta(s)=0 where 1/2<Re s<1, then zeta(2s)=0, which is known to be impossible. We show that both versions of the proof are incomplete.
We investigate the relationship between the maximum of the zeta function on the 1-line and the maximal order of $S(t)$, the error term in the number of zeros up to height $t$. We show that the conjectured upper bounds on $S(t)$ along with the Riemann hypothesis imply a conjecture of Littlewood that $\max_{t\in [1,T]}|ζ(1+it)|\sim e^γ\log\log T$. The relationship in the region $1/2<σ<1$ is also investigated.
Evidence of an algebraic/analytic structure of the Riemann Spectrum, consisting of the imaginary parts of the corresponding zeros, is reviewed, with emphasis on the distribution of the image of the primes under the Cramer characters $X_p(t)=p^{it}$. The duality between primes and Riemann zeros, expressed traditionally as the Riemann-Mangoldt exact equation, is further used to investigate from a statistical point of view, the correspondence between the POSet structure of prime numbers and this yet unknown structure of R-Spec. Specifically, the statistical correlation coefficient $c(p,q)=<X_p,X_…
Note on the positivity of the real part of the log-derivative of the Riemann $ξ$-function near the critical line
本文研究了黎曼ξ函数在临界线上方区域的实部对数导数正负性，并给出了显式下界及假设非平凡零点存在的情况。
Assuming the Riemann Hypothesis, we improve on previous results by proving there are infinitely many zeros of the Riemann zeta-function whose differences are smaller than 0.50412 times the average spacing. To obtain this result, we generalize a set of weights that were developed by Xiaosheng Wu, who used them to find a positive proportion of large and small gaps between zeros of the Riemann zeta-function.
A note on Nyman's equivalent formulation of the Riemann Hypothesis
单位区间上平方可积函数的希尔伯特空间的某个子空间已经被Nyman、Beurling等人考虑过，结果是常数函数1属于它当且仅当黎曼假设成立。我证明，|1 - 1/rho|取实部严格大于大于1/2的零，用重数计数，是1到这个子空间的投影的范数。这为尼曼定理提供了一个定量的改进。
A note on the mean square of the Riemann zeta-function
本文针对黎曼ζ函数均方值的已知结果，提出了一种新的证明方法。
A note on Riemann's $R$-function and almost primes
本文通过对素zeta函数及殆素数生成函数应用相同操作，构造了黎曼R函数的光滑族R_k，证明其展开为Selberg-Delange展开，并利用有限Perron分解确定了精确计数所需的额外围道项。
This short note presents a peculiar generalization of the Riemann hypothesis, as the action of the permutation group on the elements of continued fractions. The problem is difficult to attack through traditional analytic techniques, and thus this note focuses on providing a numerical survey. These results indicate a broad class of previously unexamined functions may obey the Riemann hypothesis in general, and even share the non-trivial zeros in particular.
Let $m \geqslant 6$ be an even integer. In this short note we prove that the Jacobian variety of a quasiplatonic Riemann surface with associated group of automorphisms isomorphic to $C_2^2 \rtimes_2 C_m$ admits complex multiplication. We then extend this result to provide a criterion under which the Jacobian variety of a quasiplatonic Riemann surface admits complex multiplication.
We consider the real part $\Re(ζ(s))$ of the Riemann zeta-function $ζ(s)$ in the half-plane $\Re(s) \ge 1$. We show how to compute accurately the constant $σ_0 = 1.19\ldots$ which is defined to be the supremum of $σ$ such that $\Re(ζ(σ+it))$ can be negative (or zero) for some real $t$. We also consider intervals where $\Re(ζ(1+it)) \le 0$ and show that they are rare. The first occurs for $t$ approximately 682112.9, and has length about 0.05. We list the first fifty such intervals.
These notes were written from a series of lectures given in March 2010 at the Universidad Complutense of Madrid and then in Barcelona for the centennial anniversary of the Spanish Mathematical Society (RSME). Our aim is to give an introduction to the Riemann Hypothesis and a panoramic view of the world of zeta and L-functions. We first review Riemann's foundational article and discuss the mathematical background of the time and his possible motivations for making his famous conjecture. We discuss some of the most relevant developments after Riemann that have contributed to a better understandi…
Motivated by the connection to the pair correlation of the Riemann zeros, we investigate the second derivative of the logarithm of the Riemann zeta function, in particular the zeros of this function. Theorem 1 gives a zero-free region. Theorem 2 gives an asymptotic estimate for the number of nontrivial zeros to height T. Theorem 3 is a zero density estimate.
We improve Montgomery's $Ω$-results for $|ζ(σ+it)|$ in the strip $1/2<σ<1$ and give in particular lower bounds for the maximum of $|ζ(σ+it)|$ on $\sqrt{T}\le t \le T$ that are uniform in $σ$. We give similar lower bounds for the maximum of $|\sum_{n\le x} n^{-1/2-it}|$ on intervals of length much larger than $x$. We rely on our recent work on lower bounds for maxima of $|ζ(1/2+it)|$ on long intervals, as well as work of Soundararajan, Gál, and others. The paper aims at displaying and clarifying the conceptually different combinatorial arguments that show up in various parts of the proofs.
Assuming the Riemann hypothesis, we obtain a formula for the mean value of the $k$-derivative of $ζ'/ζ$, depending on the pair correlation of zeros of the Riemann zeta-function. This formula allows us to obtain new equivalences to Montgomery's pair correlation conjecture. This extends a result of Goldston, Gonek, and Montgomery where the mean value of $ζ'/ζ$ was considered.
We derive a lower bound for a second moment of the reciprocal of the derivative of the Riemann zeta-function averaged over the zeros of the zeta-function that is half the size of the conjectured value. Our result is conditional upon the assumption of the Riemann Hypothesis and the conjecture that the zeros of the zeta-function are simple.
In this short note I present a tauberian conjecture that I consider to be the simplest and the best tauberian reformulation of RH using good variation theory. The method applies also to the Grand Riemann Hypothesis.
Linear statistics for zeros of Riemann's zeta function
我们考虑黎曼ζ函数的标度零点在高度T附近的光滑计数函数。我们发现，前几个时刻往往高斯矩，与确切的数字取决于统计考虑。
In this note, we give an equivalent condition for a self-dual weight enumerator of genus three to satisfy the Riemann hypothesis. We also observe the truth and falsehood of the Riemann hypothesis for some families of invariant polynomials.
A note on zero density results implying large value estimates for Dirichlet polynomials
本文证明黎曼 zeta 函数的零密度估计可蕴含 Dirichlet 多项式的大值估计，填补了反向蕴含关系的空白。
In this short note, we give a proof of the Riemann hypothesis for Goss $v$-adic zeta function $ζ_{v}(s)$, when $v$ is a prime of $\mathbb{F}_{q}[t]$ of degree one.
Numerical study of the distribution of the Riemann zeros differences following the work [1] shows the significance of the function for which the prime sum expression is proposed. Computational results related to this definition explored with various prime cut-offs.
In 1991, Baker and Harman proved, under the assumption of the generalized Riemann hypothesis, that $\max_{ θ\in [0,1) }\left|\sum_{ n \leq x } μ(n) e(n θ) \right| \ll_εx^{3/4 + ε}$. The purpose of this note is to deduce an analogous bound in the context of polynomials over a finite field using Weil's Riemann Hypothesis for curves over a finite field. Our approach is based on the work of Hayes who studied exponential sums over irreducible polynomials.
In this unpublished note, we sketch an idea of using a three-piece mollifier to slightly improve the known percentages of zeros and simple zeros of the Riemann zeta-function on the critical line. This uses the recent result of Bettin, Bui, Li and Radziwill [BBLR] on the twisted fourth moment of the Riemann zeta-function.
These notes are motivated by the work of Jean-Paul Cardinal on symmetric matrices related to the Mertens function. He showed that certain norm bounds on his matrices implied the Riemann hypothesis. Using a different matrix norm we show an equivalence of the Riemann hypothesis to suitable norm bounds on his matrices in the new norm. Then we specify a deformed version of his Mertens function matrices that unconditionally satisfies a norm bound that is of the same strength as his Riemann hypothesis bound.
A note on some positivity conditions related to zeta- and L-functions
L.德·布兰热提出了一种使用某些正性条件来研究黎曼假设的方法。在本文中，作者研究这种方法，并指出其困难。
In recent work, Fyodorov and Keating conjectured the maximum size of $|ζ(1/2+it)|$ in a typical interval of length O(1) on the critical line. They did this by modelling the zeta function by the characteristic polynomial of a random matrix; relating the random matrix problem to another problem from statistical mechanics; and applying a heuristic analysis of that problem. In this note we recover a conjecture like that of Fyodorov and Keating, but using a different model for $|ζ(1/2+it)|$ in terms of a random Euler product. In this case the probabilistic model reduces to studying the supremum of …
Let $πS(t)$ denote the argument of the Riemann zeta-function at the point $s=\tfrac12+it$. Assuming the Riemann hypothesis, we give a new and simple proof of the sharpest known bound for $S(t)$. We discuss a generalization of this bound for a large class of $L$-functions including those which arise from cuspidal automorphic representations of GL($m$) over a number field. We also prove a number of related results including bounding the order of vanishing of an $L$-function at the central point and bounding the height of the lowest zero of an $L$-function.
Notes de lecture de l'article "Partial sums of the Möbius function" de Kannan Soundararajan
Kannan Soundararajan最近获得了一个新的估计，条件的黎曼假设，莫比乌斯函数的求和函数。在这篇简要的文章中，我们描述了他的方法，详细的计算。
A note on log-type GCD sums and derivatives of the Riemann zeta function
本文证明了对数型GCD和的上界，推广了Gál定理，并分别用无条件的谱范数方法和基于黎曼zeta函数导数条件上界的方法给出两种证明。
Note on large quadratic character sums
本文在广义黎曼假设下，证明了二次狄利克雷特征和存在大值的Omega结果，深化了对该特征和极值行为的理解。
We examine the large systole problem, which concerns compact hyperbolic Riemannian surfaces whose systole, the length of the shortest noncontractible loops, grows logarithmically in genus. The generalization of a construction of Buser and Sarnak by Katz, Schaps, and Vishne, which uses principal "congruence" subgroups of a fixed cocompact arithmetic Fuchsian, achieves the current maximum known growth constant of γ= 4/3. We prove that this is the best possible value of γfor this construction using arithmetic Fuchsians in the congruence case. The final section compares the large systole problem w…
Faltings' delta-invariant of a hyperelliptic Riemann surface
本文给出了超椭圆Riemann曲面的Faltings δ-不变量的一个闭公式。
We numerically study the statistical properties of differences of zeros of Riemann zeta function and L-functions predicted by the theory of the eñe product. In particular, this provides a simple algorithm that computes any non-real Riemann zeros from very large ones ("self-replicating property of Riemann zeros"). Also the algorithm computes the full sequence of non-real zeros of Riemann zeta function from the sequence of non-real zeros of any Dirichlet L-function ("zeros of L-functions know about Riemann zeros"). We also check that the first error to the convergence to the classical GUE statis…
We present a derivation of the numerical phenomenon that differences between the Riemann zeta function's nontrivial zeros tend to avoid being equal to the imaginary parts of the zeros themselves, a property called statistical "repulsion" between the zeros and their differences. Our derivation relies on the statistical properties of the prime zeta function, whose singularity structure specifies the positions of the Riemann zeros. We show that the prime zeta function on the critical line is asymptotically normally distributed with a covariance function that is closely approximated by the logarit…
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