László Tóth
Published 2017-04-10Version 1
We generalize certain recent results of Ushiroya concerning Ramanujan expansions of arithmetic functions of two variables. We also show that several properties on expansions of arithmetic functions of one and several variables using classical and unitary Ramanujan sums, respectively, run parallel.
Ramanujan-Fourier series of certain arithmetic functions of two variables
On error term estimates à la Walfisz for mean values of arithmetic functions
Higher uniformity of arithmetic functions in short intervals II. Almost all intervals
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