New posts in Periodic Functions

If $f,g$ are continuous and $g$ is $1$-periodic, $\int_0^1 f(x)g(nx)dx \xrightarrow[n\to\infty]{} \int_0^1 f \int_0^1 g$

If $f(x+1)+f(x-1)=\sqrt 3 f(x), \forall x$ then $f$ is periodic.

What is the period of $(2007)^{\sin x}$?

Is $(\sin{x})(\sin{\pi x})$ periodic?

How do we conclude that $f(x)=0, \forall x\in \mathbb{R}$ ?

Limit of sum of periodic function

Bounds (and range) of a nonlinear difference equation

|f| is periodic implies f is periodic

Improper Integral of a periodic function converges

How many distinct values of floor(N/i) exists for i=1 to N.