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A mathematical foundation for the analysis of cladistic character compatibility
(Elsevier, 1976)
Using formal algebraic definitions of "cladistic character" and "character compatibility", the concept of "binary factors of a cladistic character" is formalized and used to describe and justify an algorithm for checking ...
An algebraic analysis of cladistic characters
(Elsevier, 1976-10)
Cladistic characters are used by many numerical axonomists in the estimation of evolutionary history. We make use of semilattice theory to give an algebraic formulation of the ideas involved in this process and to give ...