Flagged Grothendieck polynomials
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flaggedgrothendieckpolynomialscoincidedefineddeterminantexpressedexpressions
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We show that the flagged Grothendieck polynomials defined as the generating functions of flagged set-valued tableaux of Knutson-Miller-Yong can be expressed by a Jacobi-Trudi type determinant formula generalizing the work of Hudson-Matsumura. We also introduce the flagged skew Grothendieck polynomials in these two expressions and show that they coincide.
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