457 reputation
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age 22
visits member for 1 year, 5 months
seen 2 days ago

Individually studying mathematics.


Nov
18
awarded  Yearling
Aug
3
asked What is the quotient of a cyclic group of order $n$ by a cyclic subgroup of order $m$?
Aug
3
accepted Quotient group - explanation over explanation
Aug
3
comment Quotient group - explanation over explanation
that's what I thought, though I couldn't make the difference, because I dissected both into elements. thanks!
Aug
3
revised Quotient group - explanation over explanation
deleted 9 characters in body
Aug
3
asked Quotient group - explanation over explanation
Jul
27
asked If $k$ divides $n$ then there's only one subgroup of $G$ of order $k$
Jul
25
accepted Group with two elements, show that $a = b = e$
Jul
25
asked Group with two elements, show that $a = b = e$
Jul
20
awarded  Critic
Jul
20
accepted $AB=BA$ if there is an orthonormal basis of $\mathbb{R}^n$ of eigenvectors
Jul
20
comment $AB=BA$ if there is an orthonormal basis of $\mathbb{R}^n$ of eigenvectors
isn't this what I have done?
Jul
20
asked $AB=BA$ if there is an orthonormal basis of $\mathbb{R}^n$ of eigenvectors
Jul
17
comment Cauchy - Schwarz for complex numbers
You mean, all is missing is just consideration of the trivial case, right? Hence, I only need to assume that $z$ and $w$ are non-zero vectors?
Jul
17
asked Cauchy - Schwarz for complex numbers
Jul
14
accepted Dynamics of a linear map
Jul
14
asked Dynamics of a linear map
Jul
13
accepted Eigenvalues of a specific $9\times9$ matrix - a simpler way?
Jul
13
comment Eigenvalues of a specific $9\times9$ matrix - a simpler way?
I see. thank you!
Jul
13
asked Eigenvalues of a specific $9\times9$ matrix - a simpler way?