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Apr
13
awarded  Critic
Apr
5
awarded  Yearling
Apr
5
comment homeomorphism from $\mathbb R^2 \cup \infty$ to $S^2$
please edit this someone I am not able to do this.Thanks!
Apr
5
asked homeomorphism from $\mathbb R^2 \cup \infty$ to $S^2$
Apr
4
asked A problem about a sequence of polynomials
Mar
23
comment Separable field extensions
Please provide any hints.
Mar
23
revised Separable field extensions
edited title
Mar
20
accepted What is the largest order of any element in $U_{900}$?
Mar
20
asked Separable field extensions
Jun
12
awarded  Teacher
Apr
13
asked a matrix problem
Apr
13
comment An irreducible polynomial question
Is this logic correct?
Apr
13
comment An irreducible polynomial question
I think it is $\big| F\big| ^{n-1}$. So $\frac{\mathbb F[x]}{<f(x)>}$ is a finite extension of $\mathbb F$ and thus it is algebraic.
Apr
13
asked continuous map question
Apr
13
asked An irreducible polynomial question
Apr
11
comment Order of an element in $U_n$
@ lab bhattacharjee its ok..:)
Apr
11
accepted Order of an element in $U_n$
Apr
11
comment Order of an element in $U_n$
I think the last digit should be 2.Anyway nice answer.
Apr
11
comment A subgroup of order $6$ of $U_{700}$
@SeanEberhard, the elements 3 and 5 are of order 6 in $U_7$. Now what is the next step?
Apr
11
asked Order of an element in $U_n$