A. A. Markov's paper on insolubility of the homeorphy problem
42048
Markov's paper on insolubility of the homeorphy problem
62484
Proving Hartshorne's Exercise I-1.9 by using exercise I-1.8
120130
Baker-Hausdorff Lemma from Sakurai's book
70657
aproximation in Sobolev Spaces
127687
Proof of the duality of the dominance order on partitions
114856
Universal property of initial topology
44704
familly of Radially open sets in $\mathbb{R}^2$
23414
Topologist's Sine Curve: A rigorous proof of why $\overline{S} = S \cup V$
91337
Is every self-homeomorphism homotopic to a diffeomorphism?
103975
Markov property question
75225
Exercise $ 3.4.15 $ of David Marker’s “Model Theory”.
89468
Space Sobolev $W^{m,p}$ complete
44559
Finding a homeomorphism $\mathbb{R} \times S^1 \to \mathbb{R}^2 \setminus \{(0,0)\}$
29810
Derivation of a generalization of Mertens' Third Theorem.
56775
Finding minimal form -- Velleman exercise 1.5.7a
150385
The use of the Axiom of Choice in this proof of the sequence lemma
147934
On Tarski-Knaster theorem