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20022026
most citedA Vast Thin Plane of Co-rotating Dwarf Galaxies Orbiting the Andromeda Galaxy

506 citations

Showing math.COShow all

14 papers · 1 filter

math.CO2025

When Many Trees Go to War: On Sets of Phylogenetic Trees With Almost No Common Structure

Mathias Weller, Norbert Zeh

It is known that any two trees on the same leaves can be displayed by a network with reticulations, and there are two trees that cannot be displayed by a network with few…

math.CO2024

Simple Chopsticks: Playing with any number of hands and fingers

Antoine Dailly, Valentin Gledel, Richard J. Nowakowski +1

Chopsticks is a game played by two players where they start with one finger raised on each hand. On their turn, each player moves by pointing an attacking hand at one of their oppo…

math.CO20211 cited

Uniform Embeddings for Robinson Similarity Matrices

Jeannette Janssen, Zhiyuan Zhang

A Robinson similarity matrix is a symmetric matrix where the entry values on all rows and columns increase toward the diagonal. Decompose the Robinson matrix into the sum of k {0,…

math.CO2020

Invertible Elements of the Misere Dicotic Universe

Michael Fisher, Richard Nowakowski, Carlos Pereira Dos Santos

We present a characterization of the invertible elements of the misere dicotic universe.

math.CO2019

All Terminal Reliability Roots of Smallest Modulus

Jason I. Brown, Corey D. C. DeGagné

Given a connected graph whose vertices are perfectly reliable and whose edges each fail independently with probability the \textit{(all-terminal) reliability} of $…

math.CO2019

Optimal Domination Polynomials

I. Beaton, J. I. Brown, D. Cox

Let be a graph on vertices and edges and the domination polynomial of . In this paper we completely characterize the values of and for which optimal…