New posts in differential-geometry

Eigenfunctions of the Laplace-Beltrami operator of a torus

What is the dimension of this Grassmannian?

Can speed be defined for a parametrized but irregular curve in a Riemannian manifold?

Definition of the hessian as a bilinear functional on the tangent space

Differential form on $S^1$

Pullbacks and isomorphisms of vector bundles

On a definition of manifold

Does positive definite Hessian imply the Jacobian is injective?

Covariant derivative ambiguity

A submersion $f: S^2 \rightarrow \mathbb{R}^2$

Geodesic convexity and the 2nd fundamental form

Jacobian matrix rank and dimension of the image

Holonomy of Lie groups

How to estimate the size of the neighborhoods in the Inverse Function Theorem

Non surjectivity of the exponential map to GL(2,R)

Pushforward of the vector field $\dfrac{d}{dx}$ by exponential, i.e $exp_{*}\dfrac{d}{dx}$ = $x\dfrac{d}{dx}$ on $R_{+}^*$

geodesic computation: "energy" minimization versus arc length minimization

Smoothness of a manifold implies all maps of its altas' charts are diffeomorphism?

Homeomorphism between the unit disc and the unit square

How to prove the space of divergence-free vector fields on a manifold is infinite dimensional?