Geodesic
An asymptotic formula related to the divisors of the quaternary quadratic form
Liqun Hu1
1 Department of Mathematics Shandong University Jinan, Shandong 250100, P.R. China and Department of Mathematics Nanchang University Nanchang, Jiangxi 330031, P.R. China
Acta Arithmetica, Tome 166 (2014) no. 2, pp. 129-140.

Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences

Let $d(n)$ stand for the Dirichlet divisor function. We give an asymptotic formula for $$\sum _{1\leq m_1,m_2,m_3,m_4\leq x}d(m_1^2+m_2^2+m_3^2+m_4^2)$$ with the help of the circle method.
DOI : 10.4064/aa166-2-2
Keywords: stand dirichlet divisor function asymptotic formula sum leq leq help circle method

Liqun Hu 1

1 Department of Mathematics Shandong University Jinan, Shandong 250100, P.R. China and Department of Mathematics Nanchang University Nanchang, Jiangxi 330031, P.R. China 
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Liqun Hu. An asymptotic formula related to the divisors of
 the quaternary quadratic form. Acta Arithmetica, Tome 166 (2014) no. 2, pp. 129-140. doi : 10.4064/aa166-2-2. http://geodesic.mathdoc.fr/articles/10.4064/aa166-2-2/

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