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math.CO2026
Induced Lorentzian and volume polynomials
Christopher Eur, Nutan Nepal, Daniel Qin
Suppose one has a party of people, whose expertise collectively covers topics. Given a subset of the topics, one wishes to form a panel of people from the party s…
math.CO2025
Inverse Kazhdan-Lusztig polynomials of matroids under deletion
Tom Braden, Luis Ferroni, Jacob P. Matherne +1
We provide a deletion formula for the inverse Kazhdan--Lusztig polynomial and the inverse -polynomial of a matroid. Our formulas provide analogues to the deletion formulas of Br…