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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
Stem-Symmetry, Comb Products, and their Relation to Amoeba Graphs
Jillian Eddy, Ryan Pesak, Daniel Qin +1
Local and global amoebas are families of labeled graphs that satisfy interpolation properties on a fixed vertex set. A labeled graph on vertices is a local amoeba (resp. gl…
math.CO2025
Symmetric Lorentzian Polynomials
Tracy Chin, Daniel Qin
We study the class of Lorentzian symmetric polynomials and Lorentzian symmetric functions, which are defined to be symmetric functions for which every truncation of variables is Lo…