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user2052
  • Member for 7 years, 9 months
  • Last seen more than 4 years ago
19 votes
2 answers
877 views

Zeros of MacLaurin polynomials for the exponential function

15 votes
3 answers
804 views

Infinite series with signed sums

14 votes
3 answers
948 views

Perfect numbers and perfect powers

13 votes
4 answers
2k views

Number of squares in a finite group

11 votes
1 answer
295 views

Critical points of Dirichlet L functions

8 votes
0 answers
160 views

Palindromes in the Möbius sequence

8 votes
1 answer
396 views

Sums of reciprocals involving divisor sums

7 votes
2 answers
279 views

Generating symmetric groups with small cycles

6 votes
2 answers
88 views

Closed field lines in the plane

6 votes
3 answers
291 views

Basic question about polytope duals

5 votes
3 answers
692 views

positive sum of sines

5 votes
1 answer
272 views

Landau's theorem using nth roots

4 votes
1 answer
253 views

Counting trees according to endpoints

3 votes
2 answers
498 views

Two questions about arithmetically equivalent number fields

3 votes
2 answers
875 views

Lower bound for rank of a matrix

1 vote
1 answer
152 views

Finite differences of Stirling numbers