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» Optimal Bounds for Matching Routing on Trees
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IPL
2002
118views more  IPL 2002»
14 years 9 months ago
Lower bounds for approximate polygon decomposition and minimum gap
We consider the problem of decomposing polygons (with holes) into various types of simpler polygons. We focus on the problem of partitioning a rectilinear polygon, with holes, int...
Joachim Gudmundsson, Thore Husfeldt, Christos Levc...
FOCS
2008
IEEE
15 years 4 months ago
Embeddings of Topological Graphs: Lossy Invariants, Linearization, and 2-Sums
We study the properties of embeddings, multicommodity flows, and sparse cuts in minor-closed families of graphs which are also closed under 2-sums; this includes planar graphs, g...
Amit Chakrabarti, Alexander Jaffe, James R. Lee, J...
STACS
2007
Springer
15 years 3 months ago
Compact Forbidden-Set Routing
We study the following problem. Given a weighted planar graph G, assign labels L(v) to vertices so that given L(u), L(v) and L(x) for x ∈ X for any X ⊂ V (G), compute the dist...
Bruno Courcelle, Andrew Twigg
WINE
2005
Springer
109views Economy» more  WINE 2005»
15 years 3 months ago
Subjective-Cost Policy Routing
We study a model of path-vector routing in which nodes’ routing policies are based on subjective cost assessments of alternative routes. The routes are constrained by the requir...
Joan Feigenbaum, David R. Karger, Vahab S. Mirrokn...
76
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FOCS
1989
IEEE
15 years 1 months ago
Randomized Search Trees
We present a randomized strategy for maintaining balance in dynamically changing search trees that has optimal expected behavior. In particular, in the expected case a search or a...
Cecilia R. Aragon, Raimund Seidel