1. Discrete analogs of canonical systems with pseudo-exponential potential. definitions and formulas for the spectral matrix functions. p.1.-- 2. Matrix-J-unitary non-commutative rational formal power series. p.49.-- 3. State/signal linear time-invariant systems theory, part I: Discrete time systems. p.115.-- 4. Conservative structured noncommutative multidimensional linear systems. p.179.-- 5. The bezout integral operator: main property and underlying abstract scheme. p.225
