Given $A\in\Bbb Z^{n\times n}$, is it possible to find characteristic and minimal polynomials of $A$ by chinese remainder theorem if we know characteristic and minimal polynomials respectively of $A\bmod p\in\Bbb Z_p^{n\times n}$ at sufficiently many coprime $p$s?
2026-03-30 12:20:38.1774873238
Characteristic and minimal polynomials
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