Interval criteria for oscillation of second order self-adjoint matrix differential systems
Tom 82 / 2003
Annales Polonici Mathematici 82 (2003), 87-93 MSC: 34A30, 34C10. DOI: 10.4064/ap82-1-10
By employing the matrix Riccati technique and the integral averaging technique, new interval oscillation criteria are established for second-order matrix differential systems of the form $[P(t)Y']'+Q(t)Y=0$.