20

Answers

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15

Where is number theory used in the rest of mathematics?

13

Not especially famous, long-open problems which anyone can understand

9

Will quantum computing kill cryptography ?

3

What are the major open problems in design theory nowaday?

3

Quantum algorithms for dummies

2

Difference of the maximum eigenvalue of a graph with the one of one-edge-deleted subgraph

2

Ramsey numbers and graph spectra

2

How might M.C. Escher have designed his patterns?

2

Good programs for drawing graphs ( directed weighted graphs )

2

Interesting applications of the Pigeon-hole Principle

2

The generator polynomial of cyclic code

1

Generalizing Euclid’s proof of the infinity of primes

1

practical applications of eigenvalues and eigenvectors

1

Looking for a collection of entry level proofs

1

Covering radius of LDPC codes

1

Convergence of Eigenvalues

1

Spectrum of a Laplacianized matrix

1

Examples of interesting false proofs

1

Is there any proof that you feel you do not “understand”?

0

Does every bipartite graph with 512 edges have an induced subgraph with 256 edges?