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Zero-one Schubert polynomials

Zero-one Schubert polynomials

Abstract We prove that if $$\sigma \in S_m$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>σ</mml:mi> <mml:mo>∈</mml:mo> <mml:msub> <mml:mi>S</mml:mi> <mml:mi>m</mml:mi> </mml:msub> </mml:mrow> </mml:math> is a pattern of $$w \in S_n$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>w</mml:mi> <mml:mo>∈</mml:mo> <mml:msub> <mml:mi>S</mml:mi> <mml:mi>n</mml:mi> </mml:msub> </mml:mrow> </mml:math> , then we can express the Schubert polynomial $$\mathfrak {S}_w$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> …