New posts in manifolds

How do I prove that a subset of a manifold is not a submanifold?

differential-topology manifolds

Prove the existence of such an immersion

analysis manifolds smooth-manifolds vector-fields

Diffeomorphism of $S_n = \{(x,y,z,w) \in \mathbb{R}^4 \mid x^n+y^n+z^n+w^n=1\}$

differential-geometry manifolds differential-topology

Problem 3-38 in Spivak´s Calculus on Manifolds

differential-geometry multivariable-calculus integration manifolds differential-topology

How to Kill Homotopy Groups Using Framed Cobordism?

reference-request algebraic-topology manifolds differential-topology homotopy-theory

Higher math and statistics/probability

probability-theory statistics manifolds stochastic-calculus information-geometry

Is the union of a compact and the relatively compact components of its complementary in a manifold compact? [duplicate]

general-topology manifolds

Components in the complement of compact subset in manifold

general-topology manifolds

Definition of a Cartesian coordinate system

geometry manifolds analytic-geometry coordinate-systems

When Two Connections Determine the Same Geodesics

differential-geometry manifolds riemannian-geometry geodesic connections

Is the cuspidal cubic $\{y^2 = x^3\} \subset \Bbb R^2$ not smooth?

geometry differential-geometry manifolds smooth-manifolds singularity

Product of spaces is a manifold with boundary. What can be said about the spaces themselves?

general-topology manifolds

How to prove that a vector bundle is trivial iff there are n global sections that form a basis on each fiber?

differential-geometry manifolds vector-bundles

Characterization of $\mathbb{R}^n$?

manifolds differential-topology smooth-manifolds geometric-topology

Critical Curves of the Energy Functional are Geodesics

differential-geometry manifolds riemannian-geometry calculus-of-variations geodesic

Soft question: How does basic differential geometry "fit together"?

differential-geometry soft-question manifolds self-learning

Tangent bundle of sphere as a complex manifold

differential-geometry manifolds differential-topology smooth-manifolds

The (orbifold) space of symmetric complex matrix

linear-algebra group-theory differential-geometry algebraic-topology manifolds

Second (and higher) derivatives of maps between manifolds

differential-geometry derivatives manifolds

What does it mean to apply a vector field to a scalar function?

multivariable-calculus differential-geometry manifolds vector-fields