392 reputation
15
bio website
location Germany
age 26
visits member for 2 years, 6 months
seen Apr 9 '13 at 21:11

Apr
4
accepted Prove $2^k+1$ divisible by 3 for odd K
Apr
4
accepted Groups and Lagrange theory
Apr
4
asked Cyclic group of order 2012 and primitive roots
Apr
4
comment Groups and Lagrange theory
sorry still didn't totally understand this... why the order f any subgroup must be coprime to 1? how do I get this from Lagrange?
Apr
4
asked Groups and Lagrange theory
Apr
4
revised Proving $x$ is divisible by $20$
added 82 characters in body
Apr
4
asked Proving $x$ is divisible by $20$
Apr
4
comment Prove $2^k+1$ divisible by 3 for odd K
so the other way is in induction as I said?
Apr
3
asked Prove $2^k+1$ divisible by 3 for odd K
Feb
4
comment Symmetric matrix and determinant
Thank you I actually did this but I was wrong with the powers!! Thanks!!!
Feb
4
asked Symmetric matrix and determinant
Feb
4
accepted Real matrix and eigenvalues
Feb
3
asked Real matrix and eigenvalues
Feb
2
accepted Linear algebra eigenvalues and diagonalizable matrix
Feb
2
comment Linear algebra eigenvalues and diagonalizable matrix
Thank you easy to prove that now but still can't understand the second:\
Feb
2
comment Linear algebra eigenvalues and diagonalizable matrix
i+1 as I from complex numbers
Feb
2
asked Linear algebra eigenvalues and diagonalizable matrix
Feb
2
accepted Linear algebra ( orthonormal basis)
Feb
2
asked Linear algebra ( orthonormal basis)
Jan
21
comment Group theory - intersection of groups
so now that solve all my problems :) thanks