The quasisymmetric Grassmannian is a positroid variety complex inside the Grassmannian defined via the quasisymmetric Johnson graph, with an affine paving and cohomology ring using fundamental quasisymmetric polynomials in place of Schur polynomials.
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The Quasisymmetric Grassmannian
The quasisymmetric Grassmannian is a positroid variety complex inside the Grassmannian defined via the quasisymmetric Johnson graph, with an affine paving and cohomology ring using fundamental quasisymmetric polynomials in place of Schur polynomials.