The natural map $\text{Spec}A_f\to \text{Spec}A$ is a homeomorphism onto $D(f)$
58562
How can we prove that $D(f)\backsimeq\operatorname{Spec} A_f$?
111246
product of two continuous proper maps
108691
Characterize the natural numbers $n$ such that there is a surjective group homomorphism from $S_n$ to $S_{n-1}$.
46563
Show that the quotient space is homeomorphic to the n-disc
88981
Explicit Homeomorphism from $\mathbb{R}^2$ to open disk
132311
T$\mathbb{S}^{n} \times \mathbb{R}$ is diffeomorphic to $\mathbb{S}^{n}\times \mathbb{R}^{n+1}$
38378
$M= \{ A \in Mat_{2 \times 2}{\mathbb{R}}| \det(A)=1 \}$ is homeomorphic to $S^{1} \times \mathbb{R}^{2}$
34293
Homeomorphism between pairs of letters
147752
Is the quotient map a homotopy equivalence?
38033
A surjective linear map into a finite dimensional space is open
132571
Local homeomorphisms which are not covering map?
16610
Surjectivity of a map from a space to itself
21178
Show that $f$ extends to a smooth map.
36139
Size of a natural transformation and the Yoneda Lemma
128266
Dual Spaces and Natural maps
30178
Homeomorphism $(\mathbb{CP}^1)^m/S_m \overset{\sim}{\to} \mathbb{CP}^m$?
25383
Morphism between quotient sheaf ($K_{X}/\mathcal{O}_{X}$) and $\bigoplus_{x\in\mathcal{X}}i_{x,*}(K(X)/\mathcal{O}_{X,x})$