Status  Confirmed 
Seminar Series  IPHTPHM 
Subjects  mathph 
Date  Monday 24 April 2017 
Time  11:00 
Institute  IPHT 
Seminar Room  Salle Claude Itzykson, Bât. 774 
Speaker's Last Name  Dmitry Bikov 
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Speaker's Institution  IHES 
Title  Complex structures and zerocurvature equations for sigmamodels 
Abstract  I will construct zerocurvature representations for the equations of motion of a class of sigmamodels with complex homogeneous target spaces, not necessarily symmetric. I will also describe a deformation of the principal chiral model (with an evendimensional target space G) by a Bfield proportional to the Kähler form on the target space. The equations of motion of the deformed model admit a zerocurvature representation as well. 
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