By using the positive linear functional, including the generalized averaging technique, some new Kamenev-type oscillation criteria are established for the second order matrix differential system (r(t) P (t)psi (X (t))K (X' (t))) + p(t)R(t)psi(X (t))K (X' (t)) +Q(t)F(X'(t))G(X(t)) = 0. The results improve and generalize those given in some previous papers.
机构:
S China Normal Univ, Sch Math Sci, Guangzhou 510090, Guangdong, Peoples R ChinaS China Normal Univ, Sch Math Sci, Guangzhou 510090, Guangdong, Peoples R China
Xu, Zhiting
Xia, Yong
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机构:
Dongguan Inst Technol, Dept Math, Dongguan 511700, Peoples R ChinaS China Normal Univ, Sch Math Sci, Guangzhou 510090, Guangdong, Peoples R China
机构:
S China Normal Univ, Sch Math Sci, Guangzhou 510631, Guangdong, Peoples R ChinaS China Normal Univ, Sch Math Sci, Guangzhou 510631, Guangdong, Peoples R China