SMS scnews item created by Anne Thomas at Mon 16 May 2011 0832
Type: Seminar
Distribution: World
Expiry: 20 May 2011
Calendar1: 20 May 2011 1205-1255
CalLoc1: Carslaw 175
Auth: athomas@p615.pc (assumed)

Algebra Seminar: Rozhkovskaya -- The q-characters of representations of quantum affine algebras

The Algebra Seminar on Friday 20 May will be given by Natasha Rozhkovskaya.  Following
the seminar we will have lunch at the Grandstand, together with the Joint Colloquium


Speaker: Natasha Rozhkovskaya (Kansas State University) 

Date: Friday 20 May 

Time: 12.05-12.55pm 

Venue: Carslaw 175 


The q-characters of representations of quantum affine algebras 


The q-characters of a quantum affine algebra are combinatorial objects that describe the
structure of irreducible finite-dimensional representations of this algebra.  The
evaluation map allows to use the q-characters of quantum affine algebra of type A_n as a
combinatorial tool for description of the underlying Lie algebra sl_n or gl_n.  In the
talk we will illustrate this application on corresponding examples and compute
q-characters of certain class of modules of quantum affine algebra of gl_\infty.  


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