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86
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WADS
2001
Springer
143views Algorithms» more  WADS 2001»
15 years 5 months ago
An Approach for Mixed Upward Planarization
In this paper, we consider the problem of finding a mixed upward planarization of a mixed graph, i.e., a graph with directed and undirected edges. The problem is a generalization...
Markus Eiglsperger, Michael Kaufmann
119
Voted
ECCC
2010
143views more  ECCC 2010»
14 years 10 months ago
Space-Efficient Algorithms for Reachability in Surface-Embedded Graphs
We consider the reachability problem for a certain class of directed acyclic graphs embedded on surfaces. Let G(m, g) be the class of directed acyclic graphs with m = m(n) source ...
Derrick Stolee, N. V. Vinodchandran
CORR
2007
Springer
104views Education» more  CORR 2007»
15 years 17 days ago
Observable Graphs
An edge-colored directed graph is observable if an agent that moves along its edges is able to determine his position in the graph after a sufficiently long observation of the edge...
Raphael M. Jungers, Vincent D. Blondel
WAOA
2005
Springer
170views Algorithms» more  WAOA 2005»
15 years 6 months ago
On Approximating Restricted Cycle Covers
A cycle cover of a graph is a set of cycles such that every vertex is part of exactly one cycle. An L-cycle cover is a cycle cover in which the length of every cycle is in the set...
Bodo Manthey
CIE
2010
Springer
15 years 5 months ago
Spatial Models for Virtual Networks
This paper discusses the use of spatial graph models for the analysis of networks that do not have a direct spatial reality, such as web graphs, on-line social networks, or citatio...
Jeannette Janssen