Results 61 to 69 of about 307 (69)

The four-in-a-tree problem in triangle-free graphs [PDF]

open access: yes
The three-in-a-tree algorithm of Chudnovsky and Seymour decides in time O(n4) whether three given vertices of a graph belong to an induced tree. Here, we study four-in-a-tree for triangle-free graphs. We give a structural answer to the following question
Christophe Picouleau   +2 more
core  

Extended Dijkstra algorithm and Moore-Bellman-Ford algorithm

open access: yes, 2017
Study the general single-source shortest path problem. Firstly, define a path function on a set of some path with same source on a graph, and develop a kind of general single-source shortest path problem (GSSSP) on the defined path function.
Cheng, Cong-Dian
core  

New algorithms for maximum disjoint paths based on tree-likeness. [PDF]

open access: yesMath Program, 2018
Fleszar K, Mnich M, Spoerhase J.
europepmc   +1 more source

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