Open AccessExistence of Positive Solutions of Neutral Differential Equations
Author(s) -
Božena Dorociaková,
Martina Kubjatková,
Rudolf Olach
Publication year - 2012
Publication title -
abstract and applied analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.228
H-Index - 56
eISSN - 1687-0409
pISSN - 1085-3375
DOI - 10.1155/2012/307968
Subject(s) - mathematics , bounded function , infinity , mathematical analysis , zero (linguistics) , nonlinear system , order (exchange) , differential equation , physics , philosophy , linguistics , finance , quantum mechanics , economics
The paper contains some suffcient conditions for the existence of positive solutions which are bounded below and above by positive functions for the nonlinear neutral differential equations of higher order. These equations can also support the existence of positive solutions approaching zero at infinity.
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