Type: Article
Publication Date: 2014-01-01
Citations: 23
DOI: https://doi.org/10.4310/mrl.2014.v21.n2.a10
The K-theoretic Littlewood-Richardson rule due to A. Buch describes the product structure constants for the Grothendieck polynomials of Grassmannian type.We present a simple self-contained proof of the rule by generalizing Stembridge's cancelation argument which was applied for the classical Littlewood-Richardson rule.