31 citations · 93 across the 27 of their papers we have counts for
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math.GR2015★ 5 cited
Finite Diagram Semigroups: Extending the Computational Horizon
James East, Attila Egri-Nagy, Andrew R. Francis +1
Diagram semigroups are interesting algebraic and combinatorial objects, several types of them originating from questions in computer science and in physics. Here we describe diagra…
q-bio.PE2015
Which phylogenetic networks are merely trees with additional arcs?
Andrew R. Francis, Mike Steel
A binary phylogenetic network may or may not be obtainable from a tree by the addition of directed edges (arcs) between tree arcs. Here, we establish a precise and easily tested cr…