1 citations · 2 across the 8 of their papers we have counts for
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math.CO2024
Matroids and amplitudes
Thomas Lam
In the 1990s, Kita--Yoshida and Cho--Matsumoto introduced intersection forms on the twisted (co)homologies of hyperplane arrangement complements. We give a closed combinatorial for…
math.CO2024
Dual Mixed Volume
Yibo Gao, Thomas Lam, Lei Xue
We define and study the dual mixed volume rational function of a sequence of polytopes, a dual version of the mixed volume polynomial. This concept has direct relations to the adjo…
math.CO2024★ 1 cited
On the face stratification of the amplituhedron
Thomas Lam
We define and study the face stratification of the m=2 amplituhedron. We show that the face poset is an upper order ideal in the face poset of the totally nonnegative Grassmannian.…