New posts in Periodic Functions

How do I determine if the following function is periodic?

Are there periodic functions without a smallest period?

Non-trigonometric Continuous Periodic Functions

Sturm Liouville with periodic boundary conditions

Period of $f(2x+3)+f(2x+7)=2$

Sum of two periodic functions is periodic?

Floquet Theory - Reducing ODE's to Constant Coefficient ODE's?

Let $f: \mathbb{R} \to \mathbb{R}$ be continuous periodic function with period $T>0$

What determines if a function has a least positive period?

How to expand the Fourier series for $f(x)=\max \{0, \frac{\pi}{2}-\lvert x\rvert \} $?