Difference sets are not multiplicatively closed
Difference sets are not multiplicatively closed, Discrete Analysis 2016:17, 20pp. The famous sum-product problem of Erdős and Szemerédi asks the following. Let $A$ be a set of $n$ real numbers. Define the _sumset_ $A+A$ of $A$ to be the set $\{x+y:x,y\in A\}$ and the _product set_ $A.A$ to be the s...
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Diamond Open Access Journals
|
| Series: | Discrete Analysis |
| Online Access: | http://discrete-analysis.scholasticahq.com/article/913-difference-sets-are-not-multiplicatively-closed.pdf |