Let $A$ be an arbitrary $n\times n$ matrix, $X$ a matrix with $n\times n$ inderterminants, is there a way to solve the matrix equation $A^TXA=X$? If not, is there any numerical way to solve it, in particular for matrix over finite fields?
2026-05-04 15:45:14.1777909514
Solving matrix equation $A^TXA=X$
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