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Oscillation theorems for fourth‐order delay differential equations with a negative middle term
Author(s) -
Džurina Jozef,
Jadlovská Irena
Publication year - 2017
Publication title -
mathematical methods in the applied sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.719
H-Index - 65
eISSN - 1099-1476
pISSN - 0170-4214
DOI - 10.1002/mma.4563
Subject(s) - mathematics , term (time) , delay differential equation , oscillation (cell signaling) , differential equation , third order , order (exchange) , mathematical analysis , first order partial differential equation , linear differential equation , law , physics , finance , quantum mechanics , biology , political science , economics , genetics
This paper deals with the oscillation of the fourth‐order linear delay differential equation with a negative middle term under the assumption that all solutions of the auxiliary third‐order differential equation are nonoscillatory. Examples are included to illustrate the importance of results obtained.