Equivalent formulations of analytic/ $\omega$-suslin sets (in Baire Space)
34964
Recursive representation of closed sets in Baire Space ($\Sigma^1_1$)
61810
An application of Borel-Caratheodory theorem
28500
What are the components and path components of $\mathbb{R}^{\omega}$ in the product, uniform, and box topologies?
117533
$|A-\lambda I|$ and $|\lambda I-A|$
132311
T$\mathbb{S}^{n} \times \mathbb{R}$ is diffeomorphic to $\mathbb{S}^{n}\times \mathbb{R}^{n+1}$
146062
A "Cantor-Schroder-Bernstein" theorem for partially-ordered-sets
63701
An example of a regular function over an open set
138768
Showing that the family of Borel sets is countably generated
113614
Approximating the density of $S\cap[a,b]$ using a Folner Sequence of $A$, where $S \subseteq A$?
84394
Choice function for a collection of nonempty subsets of $\{0,1\}^\omega$
87265
If $(A-\lambda{I})$ is $\lambda$-equivalent to $(B-\lambda{I})$ then $A$ is similar to $B$
100560
$X$ compact Hausdorff space, characterize the maximal ideals of $C(X)$
127622
Does there exist a $1$-form $\alpha$ with $d\alpha = \omega$?
82236
Extension of the Lebesgue measurable sets
120252
Equivalences of bounded sets definitions
43503
Bases of complex vector spaces and the axiom of choice
138713
Alpha and Omega limit sets (dynamical systems)