Captain-cycle conjecture for minimal TEQ-retentive sets

Let TT be a tournament, and let Dom(T)\mathfrak{Dom}(T) denote its directed domination graph. A set is TEQ-retentive when it satisfies the tournament-equilibrium-set retentiveness condition, and it is minimal if it has no proper TEQ-retentive subset. Captain-cycle conjecture. If Dom(T)\mathfrak{Dom}(T) contains a directed cycle CC, then V(C)V(C) is the unique minimal TEQ-retentive set of TT. The previously proved special case assumes V(C)=V(T)V(C)=V(T); this conjecture asks whether that assumption can be removed, and it would imply the size-three uniqueness conjecture.

Sources & referencesView supporting material

Primary source

Yongjie Yang, “A Further Step Towards an Understanding of the Tournament Equilibrium Set”, arXiv:1611.03991 (2016).

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