Danus constructs an integral matroid tangent class in K_Z(M,G) that matches wonderful-model tangents, recovers Chow Hilbert series via HRR, and obeys Chern-alpha bounds, reproducing Cheng's concurrent work.
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Tangent classes of matroids and wonderful compactifications
Danus constructs an integral matroid tangent class in K_Z(M,G) that matches wonderful-model tangents, recovers Chow Hilbert series via HRR, and obeys Chern-alpha bounds, reproducing Cheng's concurrent work.