Is bounded open interval not compact
125233
Why is an open interval not a compact set?
143695
Is an increasing, bounded and continuous function on $[a,+\infty)$ uniformly continuous?
82745
Showing Entire Function is Bounded
115930
Is every convex function on an open interval continuous?
132946
Continuous and bounded imply uniform continuity?
66691
Real function continuous on closed interval implies it is bounded - over-simple proof??
126259
Minimum of a function on an open interval
47903
How to prove every closed interval in R is compact?
82771
Proving that any polynomial $p:\mathbb{R}\rightarrow \mathbb{R}$ is not bounded, but its restriction to any bounded set is bounded
48162
Is the subset $[0, \sqrt2] ∩\mathbb{Q} ⊂ \mathbb{Q}$ closed, bounded, compact?
119831
bounded operator $T$ is not compact then there exists an orthonormal sequence $e_n$ and $d>0$ such that $\|T(e_n)\|>d$ for all $n\in\Bbb{N}$?
98609
Does pointwise equicontinuous and uniformly equicontinuous implies compactness?
47251
Non-compactness of $\mathbb{R}$ with the cocountable topology
99675
A closed ball in $l^{\infty}$ is not compact
37654
Topology: Example of a compact set but its closure not compact
11558
How to show that the limit of compact operators in the operator norm topology is compact
18040
Show that a compact metric space is bounded