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Proof that every Riemannian geodesic is locally minimizing
differential-geometry
riemannian-geometry
Any compact embedded $2$-dimensional hypersurface in $\mathbb R^3$ has a point of positive Gaussian curvature
riemannian-geometry
What does $ds^2$ mean and how does it specify a metric?
riemannian-geometry
Bound of $D\exp$ in Riemannian manifold with $|\text{sec} M| \leq K$ and $\text{inj}M \geq i_0$
differential-geometry
riemannian-geometry
Control the sectional curvature
differential-geometry
riemannian-geometry
$ a+b+c=0,\ a^2+b^2+c^2=1$ implies $ a^4+b^4+c^4=\frac{1}{2}$
algebra-precalculus
riemannian-geometry
convex-geometry
Worst case examples of non-differentiability of the Riemannian distance function
derivatives
riemannian-geometry
How to define a Riemannian metric in the projective space such that the quotient projection is a local isometry?
riemannian-geometry
projective-geometry
projective-space
isometry
Can speed be defined for a parametrized but irregular curve in a Riemannian manifold?
general-topology
proof-verification
differential-geometry
manifolds
riemannian-geometry
On a definition of manifold
differential-geometry
riemannian-geometry
math-history
Geodesic convexity and the 2nd fundamental form
geometry
differential-geometry
manifolds
riemannian-geometry
Holonomy of Lie groups
differential-geometry
lie-groups
riemannian-geometry
holonomy
The Riemannian Distance function does not change if we use smooth paths?
riemannian-geometry
smooth-manifolds
Riemannian metric making a given function harmonic
differential-geometry
riemannian-geometry
Product of Riemannian manifolds?
riemannian-geometry
Explicit example of a compact manifold of dimension $>2$ with strictly negative sectional curvature
riemannian-geometry
Is $ds$ a differential form?
multivariable-calculus
differential-geometry
riemannian-geometry
differential-forms
How can I understand the three-dimensional space forms?
general-topology
group-theory
differential-geometry
algebraic-topology
riemannian-geometry
Isometries of $\mathbb{S}^n$
reference-request
differential-geometry
riemannian-geometry
How to find the Riemannian Distance on the Sphere $S^n\subset \Bbb{R}^{n+1}$
multivariable-calculus
riemannian-geometry
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