Differences of two real-valued periodic function is zero in limit
64134
The difference between two periodic functions converges to zero, is this two functions identical?
49511
Do we have $\lim_{h\to 0^+}\int_0^\infty|f(t+h)-f(t)|dt=0$?
152262
Limit of function of hyperbolic
74876
Limit of Integral of Difference Quotients of Measurable/Bounded $f$ Being $0$ Implies $f$ is Constant
142329
Limit of reciprocal function is the reciprocal of its limit
143874
Limit of derivative is zero. Does it imply a limit for f(x)?
76249
Does the limit of function of two variables exist
82488
Periodic solution of differential equation $y′=f(y)$
60498
Prove that $\lim_{(x,y)\rightarrow(0,0)} \frac{|x|^{a}|y|^{b}}{|x|^{c} + |y|^{d}}$ does not exist
5371
If a function has a finite limit at infinity, does that imply its derivative goes to zero?
142298
Limit of a function with powers (L'Hopital doesnt work)
125667
Limit of a function of two variables
122762
Proving that the limit doesn't exist for $x$ other than $0$
41841
Function with limits only at irrational points
5167
Finding the limit that involves Fourier coefficients,
109091
Why do non-constant periodic functions have no limit at infinity?
623
variation of a function over countable intervals