TY - JOUR AU - Tien, Le Huy AU - Nhien, Le Duc AU - Chien, Ta Van PY - 2020 TI - Nonuniform exponential dichotomy for block triangular systems on the half line JO - Journal of Nonlinear Sciences and Applications SP - 85--96 VL - 13 IS - 2 AB - In this paper, we discuss the nonuniform exponential dichotomy properties of nonautonomous systems of linear differential equations. Since any linear differential systems are kinematically similar to a triangular system, considering the relation between the nonuniform exponential dichotomy properties of the triangular system is necessary. Without loss of generality, we consider block upper triangular systems and give the criteria for the nonuniform exponential dichotomy of triangular systems on the half line for unbounded systems. SN - ISSN 2008-1901 UR - http://dx.doi.org/10.22436/jnsa.013.02.02 DO - 10.22436/jnsa.013.02.02 ID - Tien2020 ER -