167

Answers
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24
Eigenvalues of Matrix Sums
3
What is convolution intuitively?
2
Jokes in the sense of Littlewood: examples?
74
Not especially famous, long-open problems which anyone can understand
44
Which journals publish expository work?
18
Books you would like to read (if somebody would just write them…)
6
What should be offered in undergraduate mathematics that’s currently not (or isn’t usually)?
28
Geometric Interpretation of Trace
24
Describe a topic in one sentence.
4
Good Algebraic Number Theory Books
12
Interesting applications of the Pigeon-hole Principle
1
What is the first interesting theorem in (insert subject here)?
16
Why do so many textbooks have so much technical detail and so little enlightenment?
4
Where is number theory used in the rest of mathematics?
1
Fiction books about mathematicians?
1
Atiyah-Singer index theorem
11
Probabilistic Proofs of Analytic Facts
2
Blackbox Theorems
12
Is Fourier analysis a special case of representation theory or an analogue?
6
Theories of Noncommutative Geometry
15
How to select a journal?
5
What are some examples of ingenious, unexpected constructions?
15
Fundamental problems whose solution seems completely out of reach (2)
9
What’s a groupoid? What’s a good example of a groupoid?
5
When are probability distributions completely determined by their moments?
11
Looking for an introductory textbook on algebraic geometry for an undergraduate lecture course
4
When to pick a basis?
1
Singular values of matrix sums
3
Are there any interesting connections between Game Theory and Algebraic Topology?
-1
Classification of finite commutative rings
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