Аннотация:We define the second canonical forms for the generating matrices of the
Reflection Equation algebras and the braided Yangians, associated with all even skewinvertible
involutive and Hecke symmetries. By using the Cayley–Hamilton identities
for these matrices, we show that they are similar to their canonical forms in the sense
of Chervov and Talalaev (J Math Sci (NY) 158:904–911, 2008).