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Showing 2020 · math.COShow all
3 papers · 2 filters
math.CO2020★ 1 cited
H-chromatic symmetric functions
Nancy Mae Eagles, Angèle M. Foley, Alice Huang +2
We introduce -chromatic symmetric functions, , which use the -coloring of a graph to define a generalization of Stanley's chromatic symmetric functions. We say…
math.CO2020
Matroids that classify forests
Lorenzo Traldi
Elementary arguments show that a tree or forest is determined (up to isomorphism) by binary matroids defined using the adjacency matrix.
math.CO2020★ 1 cited
Neural Codes With Three Maximal Codewords: Convexity and Minimal Embedding Dimension
Katherine Johnston, Anne Shiu, Clare Spinner
Neural codes, represented as collections of binary strings called codewords, are used to encode neural activity. A code is called convex if its codewords are represented as an arra…