User Sergei Ivanov

4 votes

Herringbone partitions of regions and surfaces

answered Oct 1, 2012 at 3:44

4 votes

Proper maps and transversality

answered Nov 6, 2012 at 9:13

4 votes

Accepted

Generalization of an inequality due to Gage for curve shortening

answered Jun 3, 2012 at 21:06

4 votes

Generalization of an inequality due to Gage for curve shortening Part II

answered Jun 7, 2012 at 9:47

4 votes

Accepted

a question about Lp norm of curvature on convex curves

answered Mar 4, 2012 at 11:48

4 votes

Accepted

Convex bodies with symmetric shadows

answered Apr 1, 2019 at 0:15

4 votes

Points in circles that form a given geometric pattern

answered Sep 17, 2010 at 21:50

4 votes

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minimal diameter of full preimage of torus

answered Oct 19, 2010 at 14:20

4 votes

orders and length functions on finitely generated groups

answered Oct 20, 2010 at 21:40

4 votes

Metric graphs and curvature

answered Feb 18, 2012 at 20:21

4 votes

Accepted

A theorem by Hopf on surfaces

answered Sep 25, 2011 at 11:45

4 votes

Accepted

Estimating the Hausdorff measure of a subset of the sphere

answered Aug 3, 2011 at 23:10

4 votes

Accepted

minimal maximal ellipsoids

answered Apr 11, 2011 at 9:34

4 votes

Accepted

Tangential behavior of Riemannian exponential

answered Jun 24, 2011 at 18:40

4 votes

Splitting of the double tangent bundle into vertical and horizontal parts, and defining partial derivatives

answered Apr 6, 2011 at 10:37

4 votes

Accepted

Analogue of an orthogonal subspace in a noneuclidian normed space

answered Feb 7, 2011 at 20:55

4 votes

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Lebesgue dimension of closures satisfying the Z-set condition

answered Sep 10, 2010 at 20:32

4 votes

Does the Baker-Campbell-Hausdorff formula hold for vector fields on a (compact) manifold?

answered Mar 19, 2010 at 20:24

4 votes

Accepted

Can one "soup-up" the LAW OF THE MEAN in the following way?

answered Mar 23, 2010 at 9:46

4 votes

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Approximate selection theorems for factoring through perfect maps

answered Apr 7, 2010 at 18:30

4 votes

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Matrix approximation

answered Mar 30, 2010 at 20:49

4 votes

Accepted

Can two Riemannian manifolds (dim≠4) be homeomorphic without being bi-Lipschitz homeomorphic?

answered Mar 31, 2010 at 12:13

3 votes

Proof that domains of positivity of symmetric nondegenerate bilinear forms are self-dual cones?

answered Mar 19, 2010 at 12:20

3 votes

Geodesics on zero-curvature regions of closed surfaces of genus > 1 of non-positive curvature

answered Sep 5, 2010 at 22:11

3 votes

Accepted

Are all $C^1$ arcs tame?

answered Sep 20, 2011 at 20:13

3 votes

Accepted

Distances between and among points in a region

answered Oct 4, 2011 at 18:56

3 votes

What is the correct notion of boundary of a submanifold?

answered Sep 12, 2010 at 21:59

3 votes

Accepted

Alexandrov's theorem analogue for Galilean kinematics

answered Nov 26, 2010 at 7:36

3 votes

Accepted

Is there always a parallelogram cross-section of parallelepiped contained in the smallest box

answered Nov 28, 2010 at 2:54

3 votes

Uncountable preimage of every point

answered Nov 29, 2010 at 1:34

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227 Answers

Herringbone partitions of regions and surfaces

Proper maps and transversality

Generalization of an inequality due to Gage for curve shortening

Generalization of an inequality due to Gage for curve shortening Part II

a question about Lp norm of curvature on convex curves

Convex bodies with symmetric shadows

Points in circles that form a given geometric pattern

minimal diameter of full preimage of torus

orders and length functions on finitely generated groups

Metric graphs and curvature

A theorem by Hopf on surfaces

Estimating the Hausdorff measure of a subset of the sphere

minimal maximal ellipsoids

Tangential behavior of Riemannian exponential

Splitting of the double tangent bundle into vertical and horizontal parts, and defining partial derivatives

Analogue of an orthogonal subspace in a noneuclidian normed space

Lebesgue dimension of closures satisfying the Z-set condition

Does the Baker-Campbell-Hausdorff formula hold for vector fields on a (compact) manifold?

Can one "soup-up" the LAW OF THE MEAN in the following way?

Approximate selection theorems for factoring through perfect maps

Matrix approximation

Can two Riemannian manifolds (dim≠4) be homeomorphic without being bi-Lipschitz homeomorphic?

Proof that domains of positivity of symmetric nondegenerate bilinear forms are self-dual cones?

Geodesics on zero-curvature regions of closed surfaces of genus > 1 of non-positive curvature

Are all $C^1$ arcs tame?

Distances between and among points in a region

What is the correct notion of boundary of a submanifold?

Alexandrov's theorem analogue for Galilean kinematics

Is there always a parallelogram cross-section of parallelepiped contained in the smallest box

Uncountable preimage of every point