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math.CO2025
Inferring DAGs and Phylogenetic Networks from Least Common Ancestors
Anna Lindeberg, Anton Alfonsson, Vincent Moulton +2
A least common ancestor (LCA) of two leaves in a directed acyclic graph (DAG) is a vertex that is an ancestor of both leaves and has no proper descendant that is also their common…
math.CO2025
Global Least Common Ancestor (LCA) Networks
Anna Lindeberg, Bruno J. Schmidt, Manoj Changat +3
Directed acyclic graphs (DAGs) are fundamental structures used across many scientific fields. A key concept in DAGs is the least common ancestor (LCA), which plays a crucial role i…