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 Yearling
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Jan
3
comment algebraic conjugate
Dear Remy! Thank you very much much for your valuable comment.
Jan
3
comment algebraic conjugate
Dear David !Thank you very much for your perfect answer.
Jan
3
asked algebraic conjugate
Dec
11
awarded  Yearling
Jul
2
awarded  Curious
Feb
17
answered Showing $a \le b$ if $a \le b+\varepsilon$, for all $\varepsilon \gt 0$
Feb
16
comment Functional equation on quaternions
No! the case reduced to trivial result $m=1$.
Feb
15
comment Functional equation on quaternions
I mean the quaternion group $\Bbb H=\{a+bi+cj+dk : a, b, c, d\in \Bbb R\}$.
Feb
14
comment Functional equation on quaternions
Let $\arg z=\theta $. Then it means that $E$ is an exponential as a function of $\theta$.
Feb
14
revised Functional equation on quaternions
added 269 characters in body
Feb
14
asked Functional equation on quaternions
Feb
5
answered Prove $(x+y)^a\leq x^a+y^a$ if $0<a\leq1$ and $x,y\geq0$
Feb
5
comment Solution of an algebraic equation
It seems impossible to find a solution (closed form) even for some rational $a$.
Feb
5
asked Solution of an algebraic equation
Jan
17
revised How to solve this issue using basics of counting?
deleted 6 characters in body
Jan
17
answered Use set notation to define vector or matrix?
Jan
17
answered How to solve this issue using basics of counting?
Dec
11
awarded  Yearling
Jun
1
comment An algebraic equation; $ x^n -x =a $
Yes! I want a closed form. Thank you!
May
31
comment Proof of Astroid?
See the proof below. Sorry for late answer.