The retention stage focuses on reducing churn—or the number of users who stop using an app over time—but also re-engaging these lapsed or inactive users. It’s best to run retention campaigns alongside your acquisition campaigns, since the goal is to move users from installation to activation...
reducing cost stickiness, revealing the "black box" in which digital transformation affects the total factor productivity of an enterprise. It was further found that the digital transformation of companies with high levels of environmental investment, large enterprises, those in non-manufacturing industrie...
That is because that PT describes the probability of the occurrence of singletons, while the evidence theory is based on the theory of non-additive probabilities, which can represent the possibility of the occurrence of propositions with multiple elements [33]. Based on the above analysis, many ...
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It follows from Propositions 2 and 3 that the union of [Math Processing Error]Ll and [Math Processing Error]Lr is the extremal curve L of the initial tube [Math Processing Error]TU0(λ,α,β). The above formulated results can be exploited to design an efficient parallel algorithm for the...