Extending a function $f$, from the border of a closed cell to the border to another closed cell, to $F$, from the closed cell to another closed cell
99121
Extending a continuous map between the boundary of two cells.
71001
Do continuous linear functions between Banach spaces extend?
3772
About the continuity of the function $f(x) = \sum\limits_k2^{-k}\mathbf 1_{q_k \leq x}$
70617
Continuity at a point of characteristic function iff the point is not boundary point
118154
$f: \mathbb{R} \to \mathbb{R}$ that takes each value in $\mathbb{R}$ twice
20688
Discontinuous functions with closed graphs
33330
Continuous Functions from $\mathbb{R}$ to $\mathbb{Q}$
128482
The set of subsequential limits is closed
12349
a construction of a continuous function from a normal space to [0,1]
116507
Very quick question: function extends to 1/z on the boundary of unit disc
44607
Prove that a continuous function on a closed interval attains a maximum
96729
Changing the values of an integrable function $f:[a,b] \to \mathbb R$ countably infinitely many points not a dense subset of $[a,b]$
66951
Proving the existence of a sequence of functions converging to 0 with an added property
44293
Functions satisfying $f\left( f(x)^2+f(y) \right)=xf(x)+y$
76155
Verification of extension result for Lipschitz functions
31741
Show for $f:A \to Y$ uniformly continuous exists a unique extension to $\overline{A}$, which is uniformly continuous
153495
Continuous function does not map closed set to closed set