Price Query: Revision history

10 April 2023

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15 February 2023

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• curprev 11:2911:29, 15 February 2023‎ Admin talk contribs‎ 1,241 bytes +1,241‎ Created page with "{{DISPLAYTITLE:Price Query (Price Query)}} == Description == For a graph with edge weight function $c : E \rightarrow Z$, a price query is an assignment of node weights $p : V \rightarrow Z$. Such a query has a yes answer if and only if there is a $(u,v) \in E$ such that $p(u) + p(v) > c(u,v)$. (Intuitively, the $p(v)$ are “prices” on the nodes, the $c(u,v)$ are costs of producing $u$ and $v$, and a price query asks if there is an edge we are willing to “sell”..."