Oracle Tractability of Skew Bisubmodular Functions
classification
💻 cs.CC
keywords
bisubmodularskewextensionfunctionsoraclecallcaseconsider
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In this paper we consider skew bisubmodular functions as introduced in [9]. We construct a convex extension of a skew bisubmodular function which we call Lov\'asz extension in correspondence to the submodular case. We use this extension to show that skew bisubmodular functions given by an oracle can be minimised in polynomial time.
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