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0-1系数的Grothendieck多项式
我们证明了由排列w标记的Grothendieck多项式的系数只有0和±1当且仅当排列w不包含6种特定的排列模式,并给出这类Grothendieck多项式的一个因式分解。作为应用,我们证明了当w不包含这6种模式时,其双变量Schubert多项式具有Lo ...
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