K-theoretic Poirier-Reutenauer bialgebra
  We use the K-Knuth equivalence of Buch and Samuel to define a K-theoretic analogue of the Poirier-Reutenauer Hopf algebra. As an application, we rederive the K-theoretic Littlewood-Richardson rules of Thomas and Yong and of Buch and Samuel. 
Rebecca Patrias, Pavlo Pylyavskyy
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