Nonoscillation of Second-Order Dynamic Equations with Several Delays

Table 2

The exponential function.

𝕋	ℝ	ℤ	𝑞^ℤ, (𝑞>1)
e𝑓(𝑡,𝑠)	exp{∫^𝑡𝑠𝑓(𝜂)𝑑𝜂}	∏^𝑡−1𝜂=𝑠(1+𝑓(𝜂))	∏^log𝑞(𝑡/𝑞)𝜂=log𝑞(𝑠)(1+(𝑞−1)𝑞^𝜂𝑓(𝑞^𝜂))