Changming Ding
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View article: Delayed Feedback Modeling with Influence Functions
Delayed Feedback Modeling with Influence Functions Open
In online advertising under the cost-per-conversion (CPA) model, accurate conversion rate (CVR) prediction is crucial. A major challenge is delayed feedback, where conversions may occur long after user interactions, leading to incomplete r…
View article: Orbital Stability and Zhukovski\v{\i} Quasi-Stability in Impulsive Dynamical Systems
Orbital Stability and Zhukovski\v{\i} Quasi-Stability in Impulsive Dynamical Systems Open
In this paper, we deal with orbital stability and Zhukovski\v{\i} quasi-stability of periodic or recurrent orbits in an impulsive dynamical system defined in the $n$-dimensional Euclidean space $\mathbb{R}^n$. In fact, we show that for a p…
View article: Orbital stability and Zhukovskiǐ quasi-stability in impulsive dynamical systems
Orbital stability and Zhukovskiǐ quasi-stability in impulsive dynamical systems Open
In this article, we deal with orbital stability and Zhukovskiǐ quasi-stability of periodic or recurrent orbits in an impulsive dynamical system defined in the n -dimensional Euclidean space R n {{\mathbb{R}}}^{n} . We show that for…
View article: Poincaré recurrence theorem in impulsive systems
Poincaré recurrence theorem in impulsive systems Open
In this article, we generalize the Poincaré\nrecurrence theorem to impulsive dynamical systems in $\\mathbb R^n$. For a\nmeasure preserving system, we present some sufficient conditions to\nestablish an impulsive system that is also measur…
View article: A New Comparison Principle for Impulsive Functional Differential Equations
A New Comparison Principle for Impulsive Functional Differential Equations Open
We establish a new comparison principle for impulsive differential systems with time delay. Then, using this comparison principle, we obtain some sufficient conditions for several stabilities of impulsive delay differential equations. Fina…