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Questions on the subject additive combinatorics, also known as arithmetic combinatorics, such as questions on: additive bases, sum sets, inverse sum set theorems, sets with small doubling, Sidon sets, Szemerédi's theorem and its ramifications, Gowers uniformity norms, etc. Often combined with the top-level tags nt.number-theory or co.combinatorics. Some additional tags are available for further specialization, including the tags sumsets and sidon-sets.

2 votes
0 answers
59 views

Does periodic pattern arise in syndetic pattern

We wonder for two "large" sets $I,J\subseteq \omega$, if $(J-J)\cap I=\emptyset$, then it must be due to certain periodic pattern. We say $I\subseteq \omega$ is $t$-syndetic iff for every $n\in\omega$ …
Jiayi Liu's user avatar
  • 909
2 votes
1 answer
288 views

Is the consecutive sum set large in general?

$\DeclareMathOperator\CSS{CSS}$It is well known that for a set $A$ of integers, if $\gcd(A) = d$, then the set of (integer) linear combinations of $A$ is $d\mathbb{Z}$. I'm looking for a probability g …
Jiayi Liu's user avatar
  • 909
0 votes
1 answer
150 views

Finite Hindman theorem

Consider the following finite version Hindman theorem: For every sufficiently large $N\in\omega$ and 2-partition of $N=N_0\cup N_1$, there are $i<2,a,b,c\in N_i$ such that $a+b=c$. The only proof I kn …
Jiayi Liu's user avatar
  • 909