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shadow10
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21 votes
1 answer
746 views

Covering a set with geometric progressions

10 votes
2 answers
845 views

Bound on gcd of two integers

10 votes
4 answers
2k views

Arbitrarily long arithmetic progressions

10 votes
1 answer
609 views

Polyhedron not circumscribed about a sphere

9 votes
1 answer
783 views

$6$ points lie on a conic if and only if $ABC$ and $A_0B_0C_0$ are perspective

8 votes
1 answer
323 views

Sumsets and a bound

7 votes
2 answers
365 views

Literature about metapolynomials

5 votes
2 answers
275 views

A bound on a set

5 votes
2 answers
2k views

Lagrange Interpolation and integer polynomials

5 votes
2 answers
627 views

Primes from a Dirichlet sequence and an irrational number

4 votes
0 answers
166 views

The equation $f(x)=f(a^n)^k$ always has a solution in $\mathbb{Q}$ [closed]

3 votes
2 answers
256 views

Arbitrarily large number of representations

2 votes
1 answer
233 views

A functional equality

1 vote
2 answers
287 views

Asymptotics on prime divisors

1 vote
0 answers
275 views

A conjecture about cross sections of a pyramid [closed]

0 votes
1 answer
354 views

A number theoretic inequality