147

Answers
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30
Mathematical “urban legends”
27
Colloquial catchy statements encoding serious mathematics (2)
22
The half-life of a theorem, or Arnold’s principle at work (2)
21
Which mathematical ideas have done most to change history?
18
Determinant of sum of positive definite matrices
17
Source and context of $\frac{22}{7} - \pi = \int_0^1 (x-x^2)^4 dx/(1+x^2)$?
13
A question about matrices with more details
11
What is the name of $\frac{e^z-1}{z}$ and how to invert it?
10
Conservative differential equations “in the wild”
10
weak*-compactness of unit ball in equivalent norm
9
are there soliton solutions for Euler and Navier-Stokes Equation
9
Find the sum of a series.
8
Are these Two Definitions of ``Uniformly Distributed" Equivalent? (2)
8
Mathematical ideas named after places
8
Convergence of solutions to Navier-Stokes to Euler’s equation for viscosity $\to$ zero
8
Examples of conjectures that were widely believed to be true but later proved false
8
$\sum \frac{n^2-1}{(n^2+1)^2}=\frac{1}{2}(1-\frac{\pi^2}{\sinh(\pi)^2})$
8
On the set of divergence to infinity for sequences of positive continuous functions
7
Sobolev Embedding Theorems
7
Early Two-Author Math Papers
6
Dimension Leaps
6
Square roots of the Laplace operator
6
Zero sets of harmonic fucntions
5
Probability formula derivation
5
Can always a family of symmetric real matrices depending smoothly on a real parameter be diagonalized by smooth similarity transformations?
5
Boundness of Laplacian eigenfunctions
5
Can you control the amplitudes of a finite collection of sine curves just by controlling the amplitude of their superposition?
5
Addition of essentially self-adjoint operators
5
Why is differentiating mechanics and integration art?
5
What universities have laid off tenured math faculty for financial reasons?
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