Orbicular

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Name Orbicular
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Kuranishi structures vs polyfolds

aug 20 at 20:42 Jo Nelson 41●1

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428
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Is there a bound on the length of the longest Morse trajectory?

mar 7 12 at 11:09 Pietro Majer 19.7k●1●24●69

 
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answer
201
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Is any Morse trajectory contained in a contractible open set?

may 16 12 at 17:22 MathOverflow♦ 1●2●3

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30

Answers
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18
Proofs that require fundamentally new ways of thinking
12
Stokes theorem for manifolds with corners?
10
How much of differential geometry can be developed entirely without atlases?
6
existence of Morse functions satisfying the Palais-Smale condition
6
Is there a Morse theory for sections of bundles or more generally for maps?
6
PDE on manifolds
4
What do heat kernels have to do with the Riemann-Roch theorem and the Gauss-Bonnet theorem?
3
Understanding moment maps and lie brackets
3
Is there a good (co)homology theory for manifolds with corners?
3
What is torsion in differential geometry intuitively?
3
Why is cotangent more canonical than tangent?
3
Are infinite dimensional constructions needed to prove finite dimensional results? (2)
3
Eqivalency of two norms on the symmetric two tensor-fields on a compact Riemannian manifold.
2
Dimension of moduli space in Lagrangian Floer homology
2
Motivating the de Rham theorem
2
Elliptic pseudodifferential operator estimate
2
How to see the Phase Space of a Physical System as the Cotangent Bundle
2
Singular, holonomy-free connections on Riemannian surfaces?
2
What’s algebraic approach to QM good for?
2
Gauge connections and Lie algebras?
1
What does “kernel” mean in integral kernel?
1
Differential of a Sobolev map between manifolds
1
the slice theorem in the symplectic manifold
1
Clifford Algebra in Dirac Equation
1
Can the adjoint of the exterior derivative in semi-Riemannian geometry be defined without the Hodge * operator?
0
norm of n-th covariant derivative of smooth function
0
Is the metric obtained by altering the metric of a Hilbert space on a finite-dimensional subspace equivalent to the original one?
0
Difference between measures and distributions
0
Are the strata of Nakajima quiver varieties simply-connected? Do they have odd cohomology?
-2
Yang Mills gradient/heat flow on 4-torus

 

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