Qualitative Analysis of Some Nonlinear PDE systems Ze Cheng Applied Mathematics , University of Colorado Boulder Date and time: Wednesday, December 11, 2013 - 3:00pm Location: ECOT 831 Abstract: The Hardy-Littlewood-Sobolev (HLS) type system, \[ \begin{cases} (-\bigtriangleup)^{k} u = v^q, \,\,u > 0,\,\, \mbox{ in } R^n,\\ (-\bigtriangleup)^{k} v =...