Effective conditions of pointwise completeness for linear delay systems
A. A. Korobov · Journal of Applied and Industrial Mathematics · 2009
A complete description is given of pointwise degenerate third- and fourth-order linear systems with constant coefficients. Some new sufficient effective conditions are found for the pointwise completeness of the n th-order systems whose matrices have the block triangular form. An estimate is given on the dimension of the degeneration space of a linear system with constant coefficients.