Results 1 to 10 of about 683 (92)

The first moment of primes in arithmetic progressions: beyond the Siegel–Walfisz range

open access: yesTransactions of the London Mathematical Society, 2021
We investigate the first moment of primes in progressions ∑q⩽x/N(q,a)=1ψ(x;q,a)−xφ(q)as x,N→∞. We show unconditionally that, when a=1, there is a significant bias towards negative values, uniformly for N⩽eclogx.
Sary Drappeau, Daniel Fiorilli
doaj   +2 more sources

Squarefree Integers in Arithmetic Progressions to Smooth Moduli

open access: yesForum of Mathematics, Sigma, 2021
Let $\varepsilon> 0$ be sufficiently small and let $0 < \eta < 1/522$ . We show that if X is large enough in terms of $\varepsilon $ , then for any squarefree integer $q \leq X^{196/261-\varepsilon }$ that is $X^{\eta ...
Alexander P. Mangerel
doaj   +1 more source

On the Restricted Divisor Function in Arithmetic Progressions [PDF]

open access: yes, 2010
We obtain several asymptotic estimates for the sums of the restricted divisor function τM,N (k) = #{1 6 m 6 M, 1 6 n 6 N : mn = k} over short arithmetic progressions, which improve some results of J. Truelsen.
I. Shparlinski
semanticscholar   +1 more source

THE LOGARITHMICALLY AVERAGED CHOWLA AND ELLIOTT CONJECTURES FOR TWO-POINT CORRELATIONS

open access: yesForum of Mathematics, Pi, 2016
Let $\unicode[STIX]{x1D706}$ denote the Liouville function. The Chowla conjecture, in the two-point correlation case, asserts that
TERENCE TAO
doaj   +1 more source

On the k-free divisor problem (II) [PDF]

open access: yes, 2008
2000 Mathematics Subject Classi cation: Primary 11N37.Key words and phrases: Dirichlet divisor problem, k-free divisor problem.J. Furuya is supported by a Grant-in-Aid for Scienti c Research from the Ministry ofEducation, Science, Sports and Culture ...
J. Furuya, W. Zhai
semanticscholar   +1 more source

MOMENTS OF RANDOM MULTIPLICATIVE FUNCTIONS, I: LOW MOMENTS, BETTER THAN SQUAREROOT CANCELLATION, AND CRITICAL MULTIPLICATIVE CHAOS

open access: yesForum of Mathematics, Pi, 2020
We determine the order of magnitude of $\mathbb{E}|\sum _{n\leqslant x}f(n)|^{2q}$, where $f(n)$ is a Steinhaus or Rademacher random multiplicative function, and $0\leqslant q\leqslant 1$.
ADAM J. HARPER
doaj   +1 more source

Iteration of Composition Operators on small Bergman spaces of Dirichlet series

open access: yesConcrete Operators, 2018
The Hilbert spaces ℋw consisiting of Dirichlet series F(s)=∑n=1∞ann-s$F(s) = \sum\nolimits_{n = 1}^\infty {{a_n}{n^{ - s}}}$ that satisfty ∑n=1∞|an|2/wn 0 and {wn}n having average order (logj+n)α${(\log _j^ + n)^\alpha }$, that the composition operators ...
Zhao Jing
doaj   +1 more source

SIGN PATTERNS OF THE LIOUVILLE AND MÖBIUS FUNCTIONS

open access: yesForum of Mathematics, Sigma, 2016
Let ${\it\lambda}$ and ${\it\mu}$ denote the Liouville and
KAISA MATOMÄKI   +2 more
doaj   +1 more source

SECOND MOMENTS IN THE GENERALIZED GAUSS CIRCLE PROBLEM

open access: yesForum of Mathematics, Sigma, 2018
The generalized Gauss circle problem concerns the lattice point discrepancy of large spheres. We study the Dirichlet series associated to $P_{k}(n)^{2}$, where $P_{k}(n)$ is the discrepancy between the volume of the $k$-dimensional sphere of radius ...
THOMAS A. HULSE   +3 more
doaj   +1 more source

Asymptotic formulae concerning arithmetical functions defined by cross-convolutions. I. Divisor-sum functions and Euler-type functions

open access: yesPublicationes mathematicae (Debrecen), 1997
. We introduce the notion of cross-convolution of arithmetical functions as a special case of Narkiewicz’s regular convolution. We give asymptotic formulae for the summatory functions of certain generalized divisor-sum functions and Euler-type functions ...
L. Tóth
semanticscholar   +1 more source

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