Titlebook: Digraphs; Theory, Algorithms a Jørgen Bang-Jensen,Gregory Gutin Book 20021st edition Springer-Verlag London 2002 Applications.Directed Grap

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Beiträge zur psychologischen Forschungt to their characterization, recognition and decomposition. We also consider some basic properties of these classes. Further properties of the classes are studied in the following chapters of this book.

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Basic Terminology, Notation and Results,o better understand the notions introduced in the chapter. The results covered in this chapter constitute a collection of simple yet important facts on digraphs. Most of our terminology and notation are standard. Therefore, some readers may proceed to other chapters after a quick look through this c

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Flows in Networks,ingle tool for applications of digraphs and perhaps even of graphs as a whole. At the same time, from a theoretical point of view, flow problems constitute a beautiful common generalization of shortest path problems and problems such as finding internally (arc)-disjoint paths from a given vertex to

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Global Connectivity,mulated as connectivity problems for digraphs and hence a significant part of this theory is also important from a practical point of view. Results on connectivity are often quite difficult and a deep insight may be required before one can obtain results in the area. The purpose of this chapter is t

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