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asked How to verify F-relatedness?
May
19
comment Are $\mathbb{CP}^{n}$ and $\mathbb{RP}^{2n}$ diffeomorphic?
Thanks for your answer. I had a terrible misunderstanding.
May
19
asked Are $\mathbb{CP}^{n}$ and $\mathbb{RP}^{2n}$ diffeomorphic?
May
16
comment What does $]-\pi, \pi[$ mean
Thanks for the link. Now I will close the post.
May
16
comment What does $]-\pi, \pi[$ mean
Thanks for clarification! It was really hard for me to find duplicate post, so I decided to ask.
May
16
asked What does $]-\pi, \pi[$ mean
May
11
accepted For a given natural number $s$, are there infinitely many primes with form $2st+1,t\in\mathbb{N}$?
May
11
comment For a given natural number $s$, are there infinitely many primes with form $2st+1,t\in\mathbb{N}$?
Thanks for your answer!
May
11
asked For a given natural number $s$, are there infinitely many primes with form $2st+1,t\in\mathbb{N}$?
May
2
awarded  Disciplined
Apr
30
awarded  Nice Question
Apr
30
comment Proof that principal branch of logarithm is continuous function
You can use the fact that the complex plane without the negative axis (plus 0) is open in order to argue that you can put an open disc with an arbitrarily small radius $\epsilon$ anywhere on the unit circle except at $(-1,0)$.
Apr
30
comment How to plot the sum of two numerical solutions obtained by Maple?
It works pretty well. Thanks so much!
Apr
30
accepted How to plot the sum of two numerical solutions obtained by Maple?
Apr
30
asked How to plot the sum of two numerical solutions obtained by Maple?
Apr
29
comment If H and K are subgroups of a group G and HK equals G, must H or K be normal in G?
Yes. There's a well-known theorem that $KH=HK$ iff $HK$ is a subgroup, and you can derive your statement from this.
Apr
25
comment What is the number of complex integers inside a circle of radius r?
He means Gausian integer by that.
Apr
25
comment What is the number of complex integers inside a circle of radius r?
en.wikipedia.org/wiki/Gauss_circle_problem
Apr
17
comment Proving a version of maximum modulus principle elementarly.
You can use mean value property of holomorphic function. math.stackexchange.com/questions/72885/…
Apr
15
awarded  Inquisitive