scholarly journals Divisor sums representable as the sum of two squares

2020 ◽  
Vol 148 (10) ◽  
pp. 4189-4202
Author(s):  
Lee Troupe
Keyword(s):  
2012 ◽  
Vol 29 (1-3) ◽  
pp. 79-102 ◽  
Author(s):  
Bruce C. Berndt ◽  
Sun Kim ◽  
Alexandru Zaharescu

1996 ◽  
Vol 39 (1) ◽  
pp. 35-46 ◽  
Author(s):  
G. R. Everest ◽  
I. E. Shparlinski

AbstractA study is made of sums of reciprocal norms of integral and prime ideal divisors of algebraic integer values of a generalised exponential polynomial. This includes the important special cases of linear recurrence sequences and general sums of S-units. In the case of an integral binary recurrence sequence, similar (but stronger) results were obtained by P. Erdős, P. Kiss and C. Pomerance.


2018 ◽  
Vol 118 (4) ◽  
pp. 729-752 ◽  
Author(s):  
Brian Conrey ◽  
Jonathan P. Keating
Keyword(s):  

2018 ◽  
Vol 30 (2) ◽  
pp. 269-293
Author(s):  
Brad Rodgers ◽  
Kannan Soundararajan

AbstractWe study the variance of sums of thek-fold divisor function{d_{k}(n)}over sparse arithmetic progressions, with averaging over both residue classes and moduli. In a restricted range, we confirm an averaged version of a recent conjecture about the asymptotics of this variance. This result is closely related to moments of DirichletL-functions, and our proof relies on the asymptotic large sieve.


2015 ◽  
Vol 11 (05) ◽  
pp. 1535-1556 ◽  
Author(s):  
Bruce C. Berndt ◽  
Sun Kim

In his lost notebook, Ramanujan recorded two identities involving double series of Bessel functions that are closely connected with the classical, unsolved circle and divisor problems. In a series of papers with Zaharescu, the authors proved these identities under various interpretations, as well as Riesz mean analogues. In this paper, logarithmic mean analogues, also involving double series of Bessel functions, are established. Weighted divisor sums involving characters play a central role.


2016 ◽  
Vol 2 (1) ◽  
Author(s):  
Brian Conrey ◽  
Jonathan P. Keating
Keyword(s):  

2004 ◽  
Vol 111 (3) ◽  
pp. 264
Author(s):  
Jeffrey Lagarias ◽  
Walther Janous
Keyword(s):  

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