“…But the notion of recurrence sequences of numbers can be generalized to a notion of recurrence sequences of matrices including tensor recurrence sequences of matrices. The author's studies of the systems of the alphabets of the molecular genetic system showed that their structural features are associated with tensor recurrence sequences of matrices, for example, [C, A; T, G] n , or [G, T; C, A] (n) where n = 1, 2, 3,… The systematic analysis of these tensor recurrence sequences, proposed and carried out by the author since 2008, has led to many meaningful results about the hidden relationship of genetic and physiological subsystems, as described in many publications, for example, [Petoukhov, 2008[Petoukhov, , 2011[Petoukhov, , 2012[Petoukhov, , 2016[Petoukhov, , 2017[Petoukhov, -2019[Petoukhov, , 2020aPetoukhov, He, 2010;Petoukhov, Petukhova, 2017;Petoukhov, Petukhova, Sirin, 2019;Petoukhov, Tolokonnikov, 2020].…”