Arbeitspapier
The Shapley value of phylogenetic trees
Every weighted tree corresponds naturally to a cooperative game that we call a tree game; it assigns to each subset of leaves the sum of the weights of the minimal subtree spanned by those leaves. In the context of phylogenetic trees, the leaves are species and this assignment captures the diversity present in the coalition of species considered. We consider the Shapley value of tree games and suggest a biological interpretation. We determine the linear transformation M that shows the dependence of the Shapley value on the edge weights of the tree, and we also compute a null space basis of M. Finally, we characterize the Shapley value on tree games by five axioms, a counterpart to Shapley's original theorem on the larger class of cooperative games. We also include a brief discussion of the core of tree games.
- Sprache
-
Englisch
- Erschienen in
-
Series: Working Papers ; No. 363
- Klassifikation
-
Wirtschaft
- Thema
-
Shapley-Wert
Phylogenetische Bäume
Diversifikation
- Ereignis
-
Geistige Schöpfung
- (wer)
-
Haake, Claus-Jochen
Kashiwada, Akemi
Su, Francis Edward
- Ereignis
-
Veröffentlichung
- (wer)
-
Bielefeld University, Institute of Mathematical Economics (IMW)
- (wo)
-
Bielefeld
- (wann)
-
2005
- Handle
- URN
-
urn:nbn:de:hbz:361-6547
- Letzte Aktualisierung
-
10.03.2025, 11:44 MEZ
Datenpartner
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Objekttyp
- Arbeitspapier
Beteiligte
- Haake, Claus-Jochen
- Kashiwada, Akemi
- Su, Francis Edward
- Bielefeld University, Institute of Mathematical Economics (IMW)
Entstanden
- 2005
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