New posts in manifolds

How to deal with Homeomorphisms?

real-analysis general-topology soft-question manifolds

Fiber products of manifolds

category-theory manifolds

What is an example of a manifold that is not smooth?

general-topology differential-geometry manifolds smooth-manifolds

$\mathbb{C}\mathbb{P}^1$ is homeomorphic to $S^2$ [duplicate]

general-topology manifolds riemann-surfaces

Differential of the multiplication and inverse maps on a Lie group

differential-geometry manifolds differential-topology lie-groups

proof that on a compact manifold a vector field is complete

differential-geometry manifolds compactness

Can a fractal be a manifold? if so: will its boundary (if exists) be strictly one dimension lower?

general-topology manifolds fractals

Can I comb unoriented hair on a ball?

algebraic-topology manifolds vector-fields line-bundles

The Heisenberg manifold

reference-request algebraic-topology manifolds

The graph of a smooth real function is a submanifold

manifolds

Homeomorphism between a manifold minus distinct points [duplicate]

general-topology algebraic-topology manifolds differential-topology

Open subsets in a manifold as submanifold of the same dimension?

manifolds differential-topology

Is a maximal open simply connected subset $U$ of a manifold $M$, necessarily dense?

general-topology algebraic-topology manifolds

Is the fixed point set of an involution on a topological manifold a submanifold?

general-topology manifolds

No hypersurface with odd Euler characteristic

geometry differential-topology manifolds

Is this surface diffeomorphic to a 2-sphere?

differential-geometry manifolds morse-theory

Electrodynamics in general spacetime

differential-geometry manifolds mathematical-physics quantum-field-theory electromagnetism

Why are we interested in closed geodesics?

riemannian-geometry geodesic manifolds intuition

Why are differential forms more important than symmetric tensors?

differential-geometry manifolds differential-forms multilinear-algebra

Equivalent Definitions of a Topological Manifold: Are Open Sets in $R^n$ homeomorphic to $R^n$?

general-topology manifolds differential-topology