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  • 0 posts edited
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  • 19 votes cast
Apr
10
accepted Computing the ring of integers of a number field
Dec
23
awarded  Caucus
Oct
9
comment On Rieman integral
Taking square roots is a well-defined continuous (hence integrable) function.
Jun
6
revised A variation of Kuratowski closure-complement problem using dual cones
OP changed the question.
May
28
suggested rejected edit on A variation of Kuratowski closure-complement problem using dual cones
May
28
answered A variation of Kuratowski closure-complement problem using dual cones
Dec
23
awarded  Yearling
Feb
23
comment On the ring of integers of a compositum of number fields
Dear Bruno, can this solution be modified to find the ring of integers in case that none of $m$ and $n$ are 1 mod 4?
Feb
23
comment Computing the ring of integers of a number field
Bruno, thanks; this seems a useful result to keep handy.
Feb
23
comment Computing the ring of integers of a number field
Too bad if so.. :(
Feb
23
comment Computing the ring of integers of a number field
Qiaochu, I have edited the question.
Feb
23
revised Computing the ring of integers of a number field
added 4 characters in body
Feb
23
asked Computing the ring of integers of a number field
Aug
12
comment Find an ideal $I$ of $\mathbb{Z}[i]$ such that $\mathbb{Z}[i]/{I}$ is a field
What is R in the question?
Aug
12
answered Find an ideal $I$ of $\mathbb{Z}[i]$ such that $\mathbb{Z}[i]/{I}$ is a field
Jun
13
comment Let $X = \Bbb{R}$ with the discrete metric. Is $X$ connected?
@BrandonCarter There are stories of Emil Artin hurling a chalk or duster towards a student who'd ask ``What about the empty set?"
Jun
12
comment Is the sum and difference of two irrationals always irrational?
$\sqrt 2 - 1$ is irrational being the sum of a rational and an irrational.
Jun
12
comment Let $X = \Bbb{R}$ with the discrete metric. Is $X$ connected?
No discrete topology can ever be connected. You answer your own question. What do you mean by "formal way"?
May
14
awarded  Altruist
May
10
answered Integrally closed with roots of identity