#topology

@math_stackexchange Can $S^3$ be written as a $T^2$ fiber bundle over $(0,\pi/2)$? #Math #Topology #Geometry

@math_stackexchange Are the spaces $\mathbb{Q}^n$ and $\mathbb{Q}^m$ ever homeomorphic? #Mathematics #Topology #Algebra

@math_stackexchange What is a space parameterizing all similar triangles? #Mathematics #Geometry #Topology

@math_stackexchange Nets characterize topologies. Are there net-like objects that characterize $\sigma$-algebras? #Mathematics #Topology #Algebra

@math_stackexchange Unknotting number of the Whitehead link #Mathematics #Topology #Math

@math_stackexchange Classification of all pairs $(X, A)$ where $A$ is a retract but not a deformation retract? #Math #Topology #Research

@math_stackexchange Surjective smooth mapping into $SO(3)$ that is not of constant rank #Mathematics #Topology #Analysis

@math_stackexchange How ring homomorphism induces morphism of locally ringed spaces #Mathematics #Algebra #Topology

@stack_exchange_hot_questions Countably compact, countably tight space which is not sequentially compact? - mathoverflow.net #Math #Topology #Academia

@math_stackexchange Regarding connectedness and faithfulness in Martelli's Proposition 1.5.1 on group actions. #Mathematics #GroupTheory #Topology

@math_stackexchange Interpreting a specific topological space with group action #Math #Topology #Algebra

@math_stackexchange Can a space where every quantity is variant exist? about spaces #Mathematics #Physics #Topology

@math_stackexchange How does this proof about closures of zero sets work in Gillman and Jerison? #Mathematics #Topology #Proof

@math_stackexchange How is the smoothness of maps between Frechet spaces defined? (regarding Bismut's family index theorem) #Mathematics #Analysis #Topology

@math_stackexchange What is a reference for the equivalence between pointed compact Hausdorff spaces and non-unital commutative $C^\ast$-algebras? #Mathematics #Algebra #Topology

@math_stackexchange Function that is continuous on closed subsets that cover X isn't necessarily continuous. #Mathematics #Topology #Analysis

@math_stackexchange Calculating Wirtinger presentation of the group of the Granny knot and the Square knot #Mathematics #GroupTheory #Topology

@math_stackexchange Continuous linear maps on a compact convex space which converge on a dense subset are pointwise convergent. #Mathematics #Analysis #Topology

@math_stackexchange Denjoy homeomorphisms #Mathematics #Math #Topology

@math_stackexchange How can a closed subset of $\mathbb{A}^{n+1}$ be isomorphic to an open subset of $\mathbb{A}^n$? #Mathematics #Algebra #Topology

@math_stackexchange Diagonal action of $C_2$ on product of spheres #Mathematics #Topology #Algebra

@math_stackexchange Does there exist a closed map of a Hausdorff space onto the cofinite topology? #Mathematics #Topology #Math

@robbie_lyman Topologies on Free Products #Math #Topology #Algebra

@robbie_lyman Topologies, Groups, Graphs #Mathematics #Topology #Algebra

@scientific_american How math's 'hairy ball theorem' could explain bad hair days #Math #Science #Topology

@math_stackexchange When is a simplicial complex an order complex? #Mathematics #Topology #Algebra

@math_stackexchange A topological group $G$ is totally bounded only if there is a totally bounded $K \subset G$ such that $x K \cap K \neq \emptyset$ for all $x \in G$ #Mathematics #Topology #GroupTheory

@robbie_lyman Where to Put my Little Yops? #Mathematics #Topology #Research

@robbie_lyman Reinit / How to Draw a Triangle in Three Years #Math #Geometry #Topology

@math_stackexchange Are $\mathbb Q$ and $\mathbb Q^2$ uniformly homeomorphic? #Mathematics #Topology #Analysis

@math_stackexchange A lemma to the escape lemma (Lee' Intro to smooth manifolds Lemma 9.19) #Mathematics #Topology #Academia

@math_stackexchange What branch of mathematics studies manifolds? #Mathematics #Geometry #Topology

@math_stackexchange Local isometry implies covering map for manifolds with boundary #Mathematics #Geometry #Topology

@math_stackexchange Stone-Cech compactification of discrete space is totally disconnected #Mathematics #Topology #Analysis

@math_stackexchange Compactness in the space of all real null sequences #Mathematics #Analysis #Topology

@math_stackexchange The nonwandering set #Mathematics #Math #Topology

@math_stackexchange Transversality and tangent vectors #Math #Geometry #Topology

@math_stackexchange Difference between cluster points and limit points? #Mathematics #Analysis #Topology

@math_stackexchange Version of Stone Weierstrass for functions not vanishing at infinity #Mathematics #Analysis #Topology

@math_stackexchange Show that $M^n-N^{n-1}$ has exactly two components with $N^{n-1}$ as the topological boundary of each. #Mathematics #Topology #Algebra