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May
15
comment Application of Galois theory
@Qiaochu : I am interested to know if you agree with the version.
May
15
revised What is the best way to show that no positive powers of this matrix will be the identity matrix?
added homework tag
May
15
suggested approved edit on What is the best way to show that no positive powers of this matrix will be the identity matrix?
May
15
awarded  Organizer
May
15
revised Proof of sylow theorem (1)
added two tags
May
15
suggested approved edit on Proof of sylow theorem (1)
May
15
revised Application of Galois theory
Added graphic and hierarchized explanation
May
15
revised Application of Galois theory
Large edits for better articulation of the relation of GT to the OP's problem.
May
15
comment Application of Galois theory
@iyengar: Your question seems motivated by the reading of a textbook or an example presented as motivation for Galois Theory. Perhaps you can give us more context as well?
May
15
revised Application of Galois theory
Whole text editing
May
15
revised Application of Galois theory
Taking comments into account
May
15
awarded  Commentator
May
15
comment Application of Galois theory
@Qiaochu : right, it was developed around that particular problem but is not restricted to it. I will change my wording.
May
15
revised Application of Galois theory
Added examples
May
15
answered Application of Galois theory
May
12
awarded  Vox Populi
May
12
awarded  Suffrage
May
12
awarded  Critic
Apr
27
revised Set of Ideals of a Polynomial Ring
changed title to avoid a confusion with another question
Apr
27
revised Prime Ideal of a Polynomial Ring
changed title and beautified the set of rationals