Definition of minimal polynomial of a linear transformation

Created almost 9 years ago, updated about 8 hours ago

The minimal polynomial $m_T$ of an operator on a finite-dimensional nonzero space is the monic polynomial of least degree with $m_T(T)=0$. It is basis-independent and equals the minimal polynomial of every matrix representation. It divides the characteristic polynomial and captures the sizes of Jordan blocks over a splitting field.

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