Hee Kwon Lee's user avatar
Hee Kwon Lee's user avatar
Hee Kwon Lee's user avatar
Hee Kwon Lee
  • Member for 11 years, 11 months
  • Last seen more than a week ago
  • Taejeon, Korea
7 votes
3 answers
1k views

Positively curved metrics on $S^2\times S^2$

5 votes
2 answers
1k views

Hausdorff dimension of convex set in ${\bf R}^n$

5 votes
2 answers
582 views

Orbifold vs Alexandrove space vs Limit of manifolds

5 votes
1 answer
611 views

Totally convex, convex and locally convex sets

4 votes
1 answer
134 views

Approximating a length metric from below with Finsler metrics

4 votes
2 answers
473 views

Positively curved manifold with a codimension 1 totally geodesic submanifold.

4 votes
0 answers
112 views

Classification of manifolds with ${\rm Ric}\geq 0$ wrt fundamental group

4 votes
1 answer
183 views

How isometric action on Riemannian manifold acts on cut locus

3 votes
2 answers
81 views

Area of tubular neighborhood of union of convex sets having diameter $1$ with vertices

3 votes
1 answer
300 views

Some manifold which is not totally geodesic in a compact manifold

3 votes
2 answers
462 views

Totally geodesic submanifold of codimension 1

3 votes
1 answer
302 views

Manifold with a quasi-positive curvature

3 votes
2 answers
1k views

Ricci flow on two dimensional sphere

2 votes
0 answers
90 views

Rigidity of an open solid torus [closed]

2 votes
0 answers
176 views

About Thom Theorem (representation submanifold for $H_{n-2}(M^n)$)

2 votes
1 answer
2k views

Difference between $S^2$-bundles over $S^2$ and $CP^2\sharp CP^2$

2 votes
0 answers
100 views

Change of curvature by parallel transport

2 votes
1 answer
164 views

Totally geodesic submanifold of codimension 1 in noncompact Riemannian manifold

2 votes
2 answers
106 views

Is the point giving the width in strictly convex surface a cut point?

2 votes
1 answer
146 views

Length of a boundary of union of unit balls in $\mathbb{R}^2$

1 vote
0 answers
26 views

A map similar to a foot map on a cap of a strictly convex surface

1 vote
0 answers
49 views

Gromov-Hausdorff limit of compact surfaces with same boundary of equal areas

1 vote
0 answers
90 views

Some hypersurface has a positive second fundamental form potentially

1 vote
2 answers
143 views

Broken geodesic in Finsler polyhedral space

1 vote
0 answers
122 views

Asymptotic cone of discrete group of Heisenberg group $\mathbb{H}^3$

1 vote
1 answer
143 views

Dimension of quotient of compact totally disconnected group action

1 vote
1 answer
113 views

About pairwise distances of some points in a Riemannian manifold $M$ of ${\rm sec}\ M\geq 1$

1 vote
1 answer
324 views

Algebraic preliminaries of complex manifold

1 vote
0 answers
125 views

Space with $Ric \geq -(n-1)$

0 votes
1 answer
221 views

Is [U,X] vertical on a warped product ?