User Asaf Shachar

2 votes

0 answers

55 views

Approximate a one-form with nowhere vanishing one-forms having bounded Laplacians

asked Dec 9, 2019 at 17:13

2 votes

0 answers

74 views

Can we approximate this matrix field with an invertible matrix field?

asked May 28, 2019 at 10:31

2 votes

0 answers

68 views

Are spherical maps with low distortion locally expanding?

asked Jul 23, 2019 at 19:29

2 votes

2 answers

214 views

A question about asymptotic affinity and strict convexity with unbounded means

asked Aug 18, 2020 at 5:20

2 votes

3 answers

259 views

How to show continuity and monotonicity of solutions to this parametrized equation?

asked Sep 13, 2020 at 14:00

2 votes

1 answer

154 views

Is the optimum of this problem convex in the constraint parameter?

asked Apr 14, 2020 at 7:58

2 votes

0 answers

85 views

Are a map with constant singular values and its inverse always conjugate through isometries?

asked Aug 2, 2020 at 14:53

2 votes

1 answer

373 views

Is there a diffeomorphism of the disk with constant sum of singular values?

asked Apr 30, 2020 at 19:53

2 votes

1 answer

164 views

The only rotation fields satisfying this PDE are constant

asked Mar 18, 2021 at 11:36

2 votes

0 answers

144 views

Does this geometric PDE have a solution?

asked May 1, 2021 at 8:14

2 votes

4 answers

426 views

Can we almost cover any shape in the plane by disjoint/tangent disks of prescribed radii?

asked May 10, 2021 at 6:17

2 votes

1 answer

232 views

If any two triangles of equal area can be mapped via affine maps, what can we say about the geometry?

asked May 25, 2021 at 14:11

2 votes

0 answers

102 views

Is there a non-degenerate solution for this PDE on $\mathbb{R}^3$?

asked Sep 29, 2021 at 13:48

1 vote

0 answers

103 views

A PDE involving a diffeomorphism of $\mathbb{S}^1$

asked May 6, 2021 at 10:57

1 vote

1 answer

484 views

Convexity at a point and Jensen inequality

asked Jul 7, 2020 at 14:37

1 vote

1 answer

195 views

Is the minimum of a constraint optimization problem differentiable in the constraint parameter?

asked Apr 24, 2020 at 6:04

1 vote

1 answer

146 views

Is a locally invertible weak limit of injective maps injective almost everywhere?

asked Oct 24, 2020 at 10:06

1 vote

1 answer

201 views

Does weak continuity of Jacobians hold for non nondegenerate maps?

asked Jan 14, 2021 at 10:54

1 vote

0 answers

157 views

Does a sequence of Jacobians converge to the 'correct' continuous part plus some controlled singular part?

asked Jan 17, 2021 at 15:32

1 vote

1 answer

250 views

Local obstructions for maps with constant singular values

asked Feb 5, 2021 at 20:51

1 vote

0 answers

109 views

Is there a concentric map from the disk onto the ellipse with constant sum of singular values?

asked Mar 3, 2021 at 16:08

1 vote

2 answers

316 views

Is there an area-preserving concentric diffeomorphism of the ellipse?

asked Mar 11, 2021 at 18:16

1 vote

0 answers

152 views

Is the normalized derivative of a holomorphic function Sobolev?

asked May 12, 2019 at 5:40

1 vote

0 answers

105 views

Is every "higher-order" harmonic morphism conformal?

asked Aug 25, 2018 at 14:31

1 vote

1 answer

293 views

Elliptic regularity of harmonic forms in $L^1$

asked Aug 28, 2018 at 7:09

1 vote

0 answers

119 views

A reference for Poincaré's type inequality for vector fields

asked Jan 31, 2018 at 11:51

1 vote

0 answers

114 views

Has this logarithmic volume functional been studied?

asked Feb 4, 2018 at 8:44

1 vote

2 answers

380 views

Conformal harmonic maps in high dimensions are scaled isometries

asked Apr 22, 2017 at 6:30

1 vote

1 answer

255 views

Determining the rate of spread of geodesics when the sectional curvature is zero

asked Jan 18, 2017 at 18:09

1 vote

1 answer

136 views

How large can the cone of $\nabla$-compatible metrics be?

asked Feb 16, 2017 at 7:47

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153 Questions

Approximate a one-form with nowhere vanishing one-forms having bounded Laplacians

Can we approximate this matrix field with an invertible matrix field?

Are spherical maps with low distortion locally expanding?

A question about asymptotic affinity and strict convexity with unbounded means

How to show continuity and monotonicity of solutions to this parametrized equation?

Is the optimum of this problem convex in the constraint parameter?

Are a map with constant singular values and its inverse always conjugate through isometries?

Is there a diffeomorphism of the disk with constant sum of singular values?

The only rotation fields satisfying this PDE are constant

Does this geometric PDE have a solution?

Can we almost cover any shape in the plane by disjoint/tangent disks of prescribed radii?

If any two triangles of equal area can be mapped via affine maps, what can we say about the geometry?

Is there a non-degenerate solution for this PDE on $\mathbb{R}^3$?

A PDE involving a diffeomorphism of $\mathbb{S}^1$

Convexity at a point and Jensen inequality

Is the minimum of a constraint optimization problem differentiable in the constraint parameter?

Is a locally invertible weak limit of injective maps injective almost everywhere?

Does weak continuity of Jacobians hold for non nondegenerate maps?

Does a sequence of Jacobians converge to the 'correct' continuous part plus some controlled singular part?

Local obstructions for maps with constant singular values

Is there a concentric map from the disk onto the ellipse with constant sum of singular values?

Is there an area-preserving concentric diffeomorphism of the ellipse?

Is the normalized derivative of a holomorphic function Sobolev?

Is every "higher-order" harmonic morphism conformal?

Elliptic regularity of harmonic forms in $L^1$

A reference for Poincaré's type inequality for vector fields

Has this logarithmic volume functional been studied?

Conformal harmonic maps in high dimensions are scaled isometries

Determining the rate of spread of geodesics when the sectional curvature is zero

How large can the cone of $\nabla$-compatible metrics be?