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Abstandsprobleme

In: Graphen—Algorithmen—Programme

Author

Listed:
  • Hansjoachim Walther

    (Technische Hochschule Ilmenau)

  • Günter Nägler

    (Technische Hochschule Leipzig)

Abstract

Zusammenfassung Bei einer Reihe von Anwendungsbeispielen stellt sich für einen gegebenen gerichteten Graphen G(X,U) die Frage, ob von einem fixierten Knoten X p ∈ X jeder andere Knoten auf einem gerichteten Weg erreichbar ist oder nicht. Sind nicht alle Knoten von X p aus erreichbar, so benötigt man häufig die Menge der Knoten, die von X p aus erreichbar sind. In 2.2. werden wir zwei unterschiedliche Vorgehensweisen zur Ermittlung der von X p aus erreichbaren Knoten kennenlernen, die mit den englischen Bezeichnungen Depth-First-Search und Breadth-First-Search (kurz: DFS bzw. BFS) bedacht sind. Je nachdem, welches konkrete Problem in späteren Abschnitten zu lösen ist, werden wir die Methode BFS oder DFS anwenden.

Suggested Citation

  • Hansjoachim Walther & Günter Nägler, 1987. "Abstandsprobleme," Springer Books, in: Graphen—Algorithmen—Programme, chapter 2, pages 36-95, Springer.
    • Handle: RePEc:spr:sprchp:978-3-7091-8856-9_3
    DOI: 10.1007/978-3-7091-8856-9_3
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