Uniform Continuity Proof for Periodic and Continuous Functions | Analysis Help

  • Thread starter Thread starter kiriyama
  • Start date Start date
  • Tags Tags
    Analysis Proof
Click For Summary
SUMMARY

The discussion centers on proving that a function f: R -> R, which is both periodic and continuous, is uniformly continuous. Participants emphasize the importance of leveraging the periodicity of the function, allowing the analysis to be confined to a finite interval. The definition of periodicity is clarified, highlighting that there exists a non-zero h such that f(x+h) = f(x). Theorems regarding the conditions under which continuous functions become uniformly continuous are also referenced as critical to the proof.

PREREQUISITES
  • Understanding of periodic functions and their definitions
  • Knowledge of uniform continuity and its mathematical implications
  • Familiarity with theorems related to continuous functions
  • Basic concepts of real analysis
NEXT STEPS
  • Study the definition and properties of periodic functions in real analysis
  • Explore theorems that establish conditions for uniform continuity
  • Learn about finite intervals and their role in analyzing periodic functions
  • Investigate examples of continuous functions that are not uniformly continuous
USEFUL FOR

Mathematics students, educators, and researchers interested in real analysis, particularly those focusing on the properties of continuous and periodic functions.

kiriyama
Messages
6
Reaction score
0
1. Prove if f:R->R is periodic and continuous, then f is uniformly continuous



2. There exists h that does not equal zero such that f(x+h)=f(x)
 
Physics news on Phys.org
Can you think of any results you know about conditions that make continuous functions into uniformly continuous ones?
 
For 1, I agree with matt grime, Think about theorems that say when a continuous function is uniformly continuous (on a given set of course- "uniform" continuity is always defined on a given set. You want to prove that this function is uniformly continuous on the set of all real numbers. Knowing the function is periodic means you can look at a finite interval!)

For 2, exactly what is the DEFINITION of "periodic"?
 

Similar threads

Replies
22
Views
2K
  • · Replies 40 ·
2
Replies
40
Views
5K
  • · Replies 20 ·
Replies
20
Views
3K
  • · Replies 21 ·
Replies
21
Views
1K
  • · Replies 11 ·
Replies
11
Views
2K
  • · Replies 2 ·
Replies
2
Views
1K
Replies
5
Views
2K
  • · Replies 27 ·
Replies
27
Views
2K
  • · Replies 5 ·
Replies
5
Views
2K
Replies
4
Views
3K