Title: On sums involving $[x/n]$.
Speaker: Wenguang Zhai
Time/Venue: 2018.11.26 10:00-11:00, B1044
Abstract: Let $x>10$ be a real number and $f$ be any arithmetic function. We study the asymptotic behaviour of the sum $\sum_{n\leq x}f([x/n]).$ When $f$ satisfy some conditions, asymptotic formulas are given.