A Sharp Oscillation Criterion for a Linear Differential Equation with Variable Delay
We consider linear differential equations with variable delay of the form <disp-formula> <math display="block"> <semantics> <mrow> <msup> <mi>x</mi> <mo>′</mo> </msup> <mrow> <mo>(</mo> <mi>t</...
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Format: | Article |
Language: | English |
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MDPI AG
2019-10-01
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Series: | Symmetry |
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Online Access: | https://www.mdpi.com/2073-8994/11/11/1332 |