Keywords and Synonyms
Atomic selfish flows
Problem Definition
A setting is assumed in which n selfish users compete for routing their loads in a network. The network is an \( { s - t } \) directed graph with a single source vertex s and a single destination vertex t. The users are ordered sequentially. It is assumed that each user plays after the user before her in the ordering, and the desired end result is a Pure Nash Equilibrium (PNE for short). It is assumed that, when a user plays (i. e. when she selects an \( { s-t } \) path to route her load), the play is a best response (i. e. minimum delay), given the paths and loads of users currently in the net. The problem then is to find the class of directed graphs for which such an ordering exists so that the implied sequence of best responses leads indeed to a Pure Nash Equilibrium.
The Model
A network congestion game is a tuple \( { \left((w_i)_{i \in N}, G, (d_e)_{e \in E} \right) } \) where \( { N = \{1, \dots, n\} } \)is the set...
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Awerbuch, B., Azar, Y., Epstein, A.: The price of Routing Unsplittable Flows. In: Proc. ACM Symposium on Theory of Computing (STOC) 2005, pp. 57-66. ACM, New York (2005)
Duffin, R.J.: Topology of Series-Parallel Networks. J. Math. Anal. Appl. 10, 303–318 (1965)
Fotakis, D., Kontogiannis, S., Spirakis, P.: Symmetry in Network Congestion Games: Pure Equilibria and Anarchy Cost. In: Proc. of the 3rd Workshop of Approximate and On-line Algorithms (WAOA 2005). Lecture Notes in Computer Science (LNCS), vol. 3879, pp. 161–175. Springer, Berlin Heidelberg (2006)
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Spirakis, P. (2008). Best Response Algorithms for Selfish Routing. In: Kao, MY. (eds) Encyclopedia of Algorithms. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-30162-4_46
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DOI: https://doi.org/10.1007/978-0-387-30162-4_46
Publisher Name: Springer, Boston, MA
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