Regularity of density for SDEs driven by degenerate L\'evy noises

By using Bismut's approach about the Malliavin calculus with jumps, we study the regularity of the distributional density for SDEs driven by degenerate additive L\'evy noises. Under full H\"ormander's conditions, we prove the existence of distributional density and the weak continuity in the first variable of the distributional density. Under the uniform first order Lie's bracket condition, we also prove the smoothness of the density.Comment: 25 page

Bifurcations of limit cycles from cubic Hamiltonian systems with a center and a homoclinic saddle-loop

It is provedin this paper that the maximum number of limit cycles of system [formula] is equal to two in the finite plane, where [formula]. This is partial answer to the seventh question in [2], posed by Arnold

Knowledge Disparity and Creativity in IT Project Teams - a Creative Synthesis Perspective

IT project teams have become the modern way of organizing IT talents. However, despite its importance, the IT project team creativity has been understudied. Drawing on the literature of the creative synthesis perspective, we argue that collective attention, similarity building, and enacting ideas, as three crucial aspects of team creativity development processes, could affect the IT project team creativity. Additionally, we also argue that team disparity, as an understudied aspect of knowledge diversity, could moderate the relationship between creative synthesis processes and the IT project team creativity. We conducted an online survey to verify the conceptual framework and confirmed positive relationships for the hypotheses, as predicted. The paper contributes to the IT project team literature by applying a new theoretical lens based on creative synthesis, as well as providing critical insight into how synthesis processes interact with team knowledge disparity to jointly influence team creativity in IT project teams