Involutions and coninvolutions
Kh.D. Ikramov
Lomonosov Moscow State University, Moscow, Russia
Keywords: similarities, congruences, involutions, coninvolutions, unitarily quasi-diagonalizable matrices, congruence-normal matrices
Abstract
A review of the relatively little-known matrix class, called coninvolutions, is given. The properties of these matrices are compared with those of the well studied involutory matrices or, briefly, involutions.
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