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Optimization with convex constraints and convex objectives; notions related to convex optimization such as sub-gradients, normal cones, separating hyperplanes

2 votes
4 answers
185 views

Efficient algorithm for graph problem

Let $D=(V,E)$ be a directed graph, $S,T\subset V$ and $f:V\rightarrow \{1,\ldots, k\}$ a positive, bounded weight-function and $l\in \mathbb{N}$, find a path $v_1,\ldots, v_l\in V$ with $v_1\in S$ and …
Martin Clever's user avatar
1 vote

Efficient Algorithm for graph problem

The normal A* algorithm can be modified to quit only at a path of the desired length. As @RobPratt suggested, two new vertices can avoid multiple sinks and sources.
Martin Clever's user avatar