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katie
  • Member for 11 years, 7 months
  • Last seen more than 9 years ago
  • Canada
9 votes
3 answers
2k views

which algebraic integers in a cyclotomic field give you integer absolute value?

10 votes
4 answers
1k views

The powers of non-empty subset of a group that generate a subgroup

1 vote
1 answer
713 views

Eigenvalues of Sum of non-singular matrix and diagonal matrix

3 votes
1 answer
680 views

When does a polynomial split over Q?

2 votes
2 answers
568 views

When does the absolute value of a sum of an integer and an algebraic integer equal an integer?

2 votes
1 answer
389 views

is there any bound on the absolute number of algebraic integer in terms of its degree?

5 votes
2 answers
279 views

Bound on the order of a finite group generated by elements $a$ and $b$ of order 2 and $n \geq 3$ such that the sum of the images of $a$, $b$ and $b^{-1}$ under any ordinary representation has only rational eigenvalues

0 votes
2 answers
189 views

power sums are enough for rationality? [closed]