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Answers
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42
Generalizing a problem to make it easier
42
Examples of interesting false proofs
23
The role of completeness in Hilbert Spaces
15
Why is the Laplacian ubiquitous?
13
Motivation for and history of pseudo-differential operators
12
Dual of the space of Hölder continuous functions?
12
Facts from algebraic geometry that are useful to non-algebraic geometers
9
Computer Algebra Errors
9
Interesting conjectures “discovered” by computers and proved by humans?
8
Explicit computations using the Haar measure
8
Continuous + holomorphic on a dense open => holomorphic?
7
Analytic hypoellipticity of linear ordinary differential operators
7
Solitary waves and their symmetries
7
A good reference for the wave front set
7
Results that are easy to prove with a computer, but hard to prove by hand
7
Famous mathematicians with background in arts/humanities/law etc
6
bounds on solution of an ODE
6
dependence of eigenvalues on parameters
6
Does Physics need non-analytic smooth functions?
6
Quick proofs of hard theorems
6
Elliptic regularity on bounded domains
5
Short-time Existence/Uniqueness for Non-linear Schrodinger with Loss of Several Derivatives
5
Riemannian surfaces with an explicit distance function?
5
Can a self-adjoint operator have a continuous set of eigenvalues?
5
Should one attack hard problems?
5
Manifold-Valued Sobolev Spaces
5
Can $L^{2}$ be represented as a space of functions (not equivalence classes)?
5
Interpolation of Sobolev spaces
5
History of fundamental solutions
4
Sobolev imbedding
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