Bounds for the Nakamura number

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Freixas, Josep ; Kurz, Sascha:
Bounds for the Nakamura number.
Bayreuth , 2018 . - 22 S.

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Abstract

The Nakamura number is an appropriate invariant of a simple game to study the existence of social equilibria and the possibility of cycles. For symmetric quota games its number can be obtained by an easy formula. For some subclasses of simple games the corresponding Nakamura number has also been characterized. However, in general, not much is known about lower and upper bounds depending of invariants on simple, complete or weighted games. Here, we survey such results and highlight connections with other game theoretic concepts.