Browsing MIT Theses by Author "Xia, Xiang, Ph. D. Massachusetts Institute of Technology"
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Collective excitations in low dimensional systems and stochastic control of population growth in a fluctuating environment
Xia, Xiang, Ph. D. Massachusetts Institute of Technology (Massachusetts Institute of Technology, 2007)In this thesis, I study several problems in the following areas: collective excitations in condensed matter physics, noise in gene network and stochastic control in biophysics. In the first area, I construct an effective ...