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    • Essays on Asset Pricing 

      Li, Su (2012)
      This dissertation consists of three essays. The first essay is titled "Speculative Dynamics I: Imperfect Competition and the Implications for High Frequency Trading". In this essay, I analyze the nature of imperfect ...
    • Phase transitions of high-temperature superconductors 

      Li, Su (2007-07-30)
      In this thesis phase transitions of the high temperature superconductor YBa$_2$Cu$_3$O$_{7-\delta}$ (YBCO) have been investigated in both zero and non-zero magnetic field. Current-Voltage characteristics of thin films and ...