Disks around stars and planets

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I propose a theoretical research program on disks, focusing on three inter-related subjects: disks in which planets are to be formed (gaseous proto-planetary disks), disks in which planets have formed and in which residual planetesimals are being cleared away (dusty debris disks), and disks around planets out of which moons are formed (rocky planetary disks).The scientific motivation for this study is to answer the following key questions: how do proto-planetary disks dissipate? what are the evolutionary consequences for disks around binary stars? what can the observations of debris disks tell us about the past and future of planetary systems? how does evolution of debris disks in binary systems differ from that around single stars?  how are planets/moons formed in rocky disks and what can we learn about the primordial Kuiper belt?I study planets both inside and outside the solar system, and the long-term goal of my research is to determine the most important physical processes that lead to the diversity of planetary systems, and to place the solar system in context.