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1d
awarded  Popular Question
2d
asked Integral solutions to $Ax = y$
Apr
15
revised Characteristic vector components expressed as polynomial in $A$ and $\lambda$
added 160 characters in body
Apr
12
asked Characteristic vector components expressed as polynomial in $A$ and $\lambda$
Mar
14
asked Eigenvalues and eigenvectors of Hadamard product of two positive definite matrices
Mar
13
accepted Positivity of homogeneous form of the fourth degree
Mar
13
comment Positivity of homogeneous form of the fourth degree
With real coefficients why does Q factor as the product of two (homogeneous) quadratic forms with real coefficients?
Mar
12
asked Positivity of homogeneous form of the fourth degree
Mar
10
awarded  Yearling
Mar
10
awarded  Nice Question
Mar
7
awarded  Notable Question
Mar
4
awarded  Notable Question
Jan
15
awarded  Nice Question
Jan
3
answered Do we know if there exist true mathematical statements that can not be proven?
Dec
14
awarded  Notable Question
Oct
12
awarded  Informed
Oct
10
asked Rotation by quaternion conjugation and quaternion matrix
Jul
26
accepted If $P$ is a regular transition probability matrix then $P^{n^2}$ has no zero element
Jul
23
comment If $P$ is a regular transition probability matrix then $P^{n^2}$ has no zero element
@Did Oh yah I had that backwards. Fixed it now.
Jul
23
revised If $P$ is a regular transition probability matrix then $P^{n^2}$ has no zero element
edited body