Ben McKay's user avatar
Ben McKay's user avatar
Ben McKay's user avatar
Ben McKay
  • Member for 13 years, 1 month
  • Last seen this week
93 votes

What is convolution intuitively?

32 votes

Which great mathematicians had great political commitments?

30 votes

How to explain to an engineer what algebraic geometry is?

28 votes

What is the Levi-Civita connection trying to describe?

27 votes

On which regions can Green's theorem not be applied?

27 votes

Structures that turn out to exhibit a symmetry even though their definition doesn't

26 votes

Examples of common false beliefs in mathematics

25 votes

Advice for researchers outside academia

25 votes

How does Mathematica do symbolic integration?

20 votes
Accepted

Is the double-twisted Moebius strip isotopic to the trivial strip?

20 votes
Accepted

Why is there no symplectic version of spectral geometry?

19 votes

What is the defining property of reductive groups and why are they important?

18 votes
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Transitive embedding of the projective plane $\Bbb R P^2$ into the $4$-sphere

18 votes

Maxwell's equations and differential forms

18 votes

Can the hyperbolic plane be immersed in three dimensional Euclidean space, if we are only looking for a weak solution?

17 votes
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Classification of PDE

17 votes
Accepted

Why only $\bar\partial$ but not $\partial$ in Dolbeault cohomology

16 votes
Accepted

Does for every vector field there always exist a volume form for which the vector field is a homothety?

16 votes
Accepted

Given Gaussian curvature, can one construct a metric to fulfill the Gauss-Bonnet theorem?

16 votes
Accepted

Geodesic preserving diffeomorphisms of constant curvature spaces

16 votes
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Learning from unsuccessful attempts at the Poincaré conjecture

15 votes
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Are two metrics with the same Levi-Civita connection and the same volume form identical?

15 votes
Accepted

When is the first chern class of a Kaehler manifold positive/negative?

14 votes
Accepted

Isometry group of pseudo Riemannian manifold always a Lie group? (Myers-Steenrod)

14 votes

Riemannian manifold as a metric space

14 votes

Old books you would like to have reprinted with high-quality typesetting

14 votes

Books in advanced differential topology

14 votes
Accepted

Grassmannians on a vector space without metric

14 votes

Generalized Stokes' theorem

13 votes

How to find a conformal map of the unit disk on a given simply-connected domain

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