30

Questions

 
7
votes
1
answer
460
views

Verifying my other example in the Geometry of Numbers and Quadratic Forms

oct 26 10 at 16:04 Pete L. Clark 39.5k3102225

2
7
votes
0
answers
197
views

Conjecture on Markov-Hurwitz Diophantine equation.

jan 5 12 at 5:00 Will Jagy 12.5k12645

2
7
votes
0
answers
260
views

When is the set of numbers represented by certain quaternary quadratic forms completely multiplicative?

feb 21 12 at 5:29 Will Jagy 12.5k12645

2
7
votes
1
answer
324
views

Numbers integrally represented by a ternary cubic form

apr 12 at 16:19 Noam D. Elkies 18k46290

 
6
votes
3
answers
300
views

Minimum dimension for sphere packing a graph in Euclidean space

jan 21 12 at 1:35 David Eppstein 9,23312141

1
6
votes
2
answers
339
views

Is the square of the covering radius of an integral lattice/quadratic form always rational?

jul 4 11 at 2:35 David Speyer 55k3102236

1
6
votes
2
answers
516
views

Does anyone have access to a copy of Yury G. Teterin’s 1984 (Russian) preprint “Representation of numbers by spinor genera”

jun 3 10 at 0:34 Will Jagy 12.5k12645

3
6
votes
0
answers
886
views

Lower bounds for period length of continued fraction of square root

may 1 10 at 2:03 Will Jagy 12.5k12645

 
5
votes
1
answer
123
views

Filling in a rational orthogonal matrix given one row

may 8 at 14:36 Yazdegerd III 30614

2
5
votes
2
answers
605
views

Octonions and the dance of the seven veils

dec 26 at 22:44 Jens Koeplinger 311

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