Browsing Bergen Open Research Archive by Author "Ganian, Robert"

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    • Towards a Polynomial Kernel for Directed Feedback Vertex Set 

      Bergougnoux, Benjamin; Eiben, Eduard; Ganian, Robert; Ordyniak, Sebastian; Ramanujan, M. S. (Journal article; Peer reviewed, 2020)
      In the DIRECTED FEEDBACK VERTEX SET (DFVS) problem, the input is a directed graph D and an integer k. The objective is to determine whether there exists a set of at most k vertices intersecting every directed cycle of D. ...

    • A Unifying Framework for Characterizing and Computing Width Measures 

      Eiben, Eduard; Ganian, Robert; Hamm, Thekla; Jaffke, Lars; Kwon, O-joung (Journal article; Peer reviewed, 2022)
      Algorithms for computing or approximating optimal decompositions for decompositional parameters such as treewidth or clique-width have so far traditionally been tailored to specific width parameters. Moreover, for mim-width, ...