Past exam of the mathematics course of the University of Cambridge / 2021 / iii / Paper 129 / 2 / a

Table of contents
- Solution a

Solution

G

for the character group of a finite abelian group, the Bohr set with frequency set

Γ \subseteq G

and width

0 \leq ρ \leq 2

is

B (Γ, ρ) = {x \in G : ∣ γ (x) - 1∣ \leq ρ for every γ \in Γ} .

Its rank is

∣Γ∣

.

 Ancestors (10)

 View article source

 Discussion (0)

There are no discussions about this article yet.

 Articles by others on the same topic (0)

There are currently no matching articles.

  See all articles in the same topic Create my own version