Showing 2024Show all
2 papers · 1 filter
math.CO2024
Sums of dilates over groups of prime order
David Conlon, Jeck Lim
For prime, and , the sum of dilates is defined by \[A + λ\cdot A = \{a + λa' : a, a' \in A\}.\] The basic p…
math.CO2024
On differences of two harmonic numbers
Jeck Lim, Stefan Steinerberger
We prove that the existence of infinitely many such that the difference of harmonic numbers approximates 1 well $$ \lim_{k \righta…