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Answers
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8
A divergent series related to the number of divisors of of p-1
5
Reals with integer powers bounded away from integers?
4
reverse coin order by swapping pairs?
5
Does every ellipse inside a tetrahedron inside a ball fit in a triangle inside the ball?
6
An inequality involving sums of powers
0
A function that is defined everywhere but has unknown values
1
Higher order divided differences and derivatives
6
Looking for a “scientific” application of a recreational puzzle.
2
Can anyone analyze this misere game?
2
Solving a system of equations/inequalities that have trigonometric functions on the left-hand side
8
Rearrangement-style inequality with lots of terms and little evidence (2)
13
One tetrahedron inside another tetrahedron
1
Extension of polynomial functions
7
Multilinear generalization of Cauchy-Schwarz inequality
11
Generalization of Tamarkin’s ARO 1993, final round, problem 10/8: still a conjecture?
1
Seemingly emergent structures in mathematics
14
What is the cover time of a random walk on a cube?
6
Will a ball fired through a focus of an ellipse eventually tend to a horizontal line?
12
Polynomial roots and convexity
6
Is (n,m)=(18,7) the only positive solution to n^2 + n + 1 = m^3 ?
1
existence of equal sum, equal sum of square, equal sum of cube, etc
2
Erik Westzynthius’s cool upper bound argument: update?
2
What is the definition of the valuation of a fractional ideal?
1
Rubber band domains
3
How to Tropicalize a Polynomial in Two Variables?
3
The difference of two sums of unit fractions
5
Sprague-Grundy sequence for the ruler game
2
Jokes in the sense of Littlewood: examples?
7
Lifting units from modulus n to modulus mn.
9
A plausible inequality.
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