From: A scalable method for identifying frequent subtrees in sets of large phylogenetic trees
| A set of phylogenetic trees |
T i | i th tree |
m | Number of trees in |
n | Number of taxa in each input tree |
a i | i th taxa |
| Frequency of the subtree T in |
γ | Frequency cutoff |
S i | i th seed (each seed is a subtree of a tree in ) |
k | Size of a seed |
c | Number of contractions used to create a seed |