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Netted matrices.

Stănică, Pantelimon (2003)

International Journal of Mathematics and Mathematical Sciences

Noncirculant Toeplitz matrices all of whose powers are Toeplitz

Kent Griffin, Jeffrey L. Stuart, Michael J. Tsatsomeros (2008)

Czechoslovak Mathematical Journal

Let a , b and c be fixed complex numbers. Let M n ( a , b , c ) be the n × n Toeplitz matrix all of whose entries above the diagonal are a , all of whose entries below the diagonal are b , and all of whose entries on the diagonal are c . For 1 k n , each k × k principal minor of M n ( a , b , c ) has the same value. We find explicit and recursive formulae for the principal minors and the characteristic polynomial of M n ( a , b , c ) . We also show that all complex polynomials in M n ( a , b , c ) are Toeplitz matrices. In particular, the inverse of M n ( a , b , c ) is a Toeplitz matrix when...

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