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Oliver Roche-Newton's user avatar
Oliver Roche-Newton's user avatar
Oliver Roche-Newton
  • Member for 12 years, 6 months
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question
113
Is the set $ AA+A $ always at least as large as $ A+A $?
Apr 27, 2015
question
14
covering disks with smaller disks
May 25, 2012
answer
9
Small set such that $\{1 , \ldots , n\} \cdot A = \mathbb{Z} / p \mathbb{Z}$
Oct 3, 2016
question
8
Is $AA+A$ always at least as large as $A/A$?
Nov 4, 2015
answer
7
Sum and product estimate over integers, rationals, and reals
Jun 5, 2014
answer
7
Bound of size $X\subset \mathbb{Z}/N\mathbb{Z}$ which satisfies $X+X=\mathbb{Z}/N\mathbb{Z}$
Feb 19, 2019
answer
6
Is $AA+A$ always at least as large as $A/A$?
Jun 26, 2018
answer
6
Nontrivial expansion in sumsets
Nov 27, 2019
question
4
How many convex or concave subsets are contained in an arbitrary set of $n$ real numbers?
Jan 19, 2022
answer
2
The number of co-circular four tuples
Jul 13, 2018