Advances in Continuous and Discrete Models

Theory and Modern Applications

Table 7 Upper bounds of \(\pmb{\sigma_{2}}\) for Example 4.4 when \(\pmb{\gamma=0.05}\)

From: New delay-range-dependent exponential stability criteria for certain neutral differential equations with interval discrete and distributed time-varying delays

Methods \(\boldsymbol {\tau_{2}=0.1}\)	\(\boldsymbol {\sigma_{2}}\)
Methods \(\boldsymbol {\tau_{2}=0.1}\)	A.S. ( α = 0)	E.S. ( α = 0.0038)
Park (2004) [30]	0.444	-
Park and Kwon (2008) [32]	1.90	-
Kwon and Park (2008) [21]	10⁷	-
Li (2009) [24]	2.07	-
Nam and Phat (2009) [29]	2.32	-
Rojsiraphisal and Niamsup (2010) [34]	2.32	1.947
Chen and Meng (2011) [8]	10²¹	-
Chen (2012) [7]	1.34 × 10²¹	175.289
Corollary 3.2	3.15 × 10⁹	3,700

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