49

Answers

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1

Discretizing a cosine function?

0

Approximating higher dimension step function

5

“Wild” solutions of the heat equation: how to graph them?

5

Modern developments in finite-dimensional linear algebra

2

Why is Set, and not Rel, so ubiquitous in mathematics?

1

Journals for undergraduates

1

Quantitative Version of Jensen’s Inequality?

1

Kronecker-structured matrix kernel

3

Elaborating Mercer’s theorem (RKHS) on Cameron-Martin space $k(x,y)=\min(x,y)$

3

Smoothing L1 norm, Huber vs Conjugate

7

New grand projects in contemporary math

6

How to solve a system of linear equations without storing the matrix?

0

If d/dx is an operator, on what does it operate?

4

ODE’s without a Lipschitz condition

13

A sudden smiley? :-)

1

Convex Combination of 2 hermitian matrices

1

sequences of plane measures converging to a singular one: terminology, etc

1

Log-nonexpansive functions: terminology and references

3

Fiction books about mathematicians?

0

Blackbox Theorems

21

In search of an early picture of Max Dehn

1

Second derivative seminorm of function composition

1

General Procedure for Inverse of an Integral Transform

1

Given f(t) = \sum_k C_k exp(2 pi i w_k t ) + noise. Need to estimate C_k and w_k .

6

Mathematical modeling of voting/rating (e.g. political elections, questions on MO, gadgets on amazon,…)

3

Some questions about Invexity

1

Local strong convexity of a strictly convex function

5

Can we approximate an arbitrary function as a (probably infinite) sum of bell shapes?

4

Non-computational software useful to mathematicians

2

Recovering a matrix instead of a vector