New posts in geometric-topology

Equivalent definition $\text{Cone}(K)$

general-topology algebraic-topology geometric-topology

How equivalent are the homeomorphism and diffeomorphism groups of 3-manifolds?

manifolds differential-topology geometric-topology low-dimensional-topology

Which groups act freely on $S^n$?

algebraic-topology geometric-topology group-cohomology

If a compact set is not convex, some ball is tangent to it at several points.

general-topology geometry euclidean-geometry geometric-topology convex-geometry

Is every self-homeomorphism homotopic to a diffeomorphism?

manifolds differential-topology geometric-topology

Decomposition of a manifold

general-topology manifolds geometric-topology

Reference on Geometric Topology

reference-request manifolds geometric-topology

Understanding the Equation of a Möbius Strip

3d parametric geometric-topology

Equivalence of Definitions of Principal $G$-bundle

differential-geometry differential-topology geometric-topology fiber-bundles principal-bundles

Useful fibrations

algebraic-topology soft-question homotopy-theory geometric-topology spectral-sequences

How does Thurston's geometrisation conjecture imply Poincaré's conjecture?

differential-geometry algebraic-topology differential-topology geometric-topology low-dimensional-topology

Continuous quasi-isometry between Riemannian manifolds

riemannian-geometry geometric-topology metric-geometry

Upper bound on the number of charts needed to cover a topological manifold

manifolds geometric-topology

Showing that stereographic projection is a homeomorphism

general-topology geometric-topology conformal-geometry stereographic-projections

Quotient of $S^3\times S^3$ by an action of $S^1$

differential-geometry lie-groups geometric-topology hopf-fibration

How to see the real projective plane is a Möbius band glued to a disk?

general-topology geometric-topology

Equivalence of knots: ambient isotopy vs. homeomorphism

algebraic-topology geometric-topology knot-theory

Intuition behind Khinchin's constant

number-theory geometric-topology ergodic-theory continued-fractions low-dimensional-topology

$ S^2 \times R $ geometry

lie-groups smooth-manifolds 3d geometric-topology homogeneous-spaces

Isometry group(s) of flat surfaces

differential-geometry euclidean-geometry riemannian-geometry lie-groups geometric-topology