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JGAA
2007
142views more  JGAA 2007»
13 years 5 months ago
Approximation Algorithms for the Maximum Induced Planar and Outerplanar Subgraph Problems
The task of finding the largest subset of vertices of a graph that induces a planar subgraph is known as the Maximum Induced Planar Subgraph problem (MIPS). In this paper, some n...
Kerri Morgan, Graham Farr
DSD
2010
IEEE
135views Hardware» more  DSD 2010»
13 years 6 months ago
An Approximate Maximum Common Subgraph Algorithm for Large Digital Circuits
—This paper presents an approximate Maximum Common Subgraph (MCS) algorithm, specifically for directed, cyclic graphs representing digital circuits. Because of the application d...
Jochem H. Rutgers, Pascal T. Wolkotte, Philip K. F...
FOCS
2008
IEEE
14 years 13 days ago
Beating the Random Ordering is Hard: Inapproximability of Maximum Acyclic Subgraph
We prove that approximating the Max Acyclic Subgraph problem within a factor better than 1/2 is Unique-Games hard. Specifically, for every constant ε > 0 the following holds:...
Venkatesan Guruswami, Rajsekar Manokaran, Prasad R...
DMTCS
2010
157views Mathematics» more  DMTCS 2010»
13 years 3 months ago
Edge-Removal and Non-Crossing Configurations in Geometric Graphs
A geometric graph is a graph G = (V, E) drawn in the plane, such that V is a point set in general position and E is a set of straight-line segments whose endpoints belong to V . W...
Oswin Aichholzer, Sergio Cabello, Ruy Fabila Monro...
WALCOM
2008
IEEE
82views Algorithms» more  WALCOM 2008»
13 years 7 months ago
Exact Algorithms for Maximum Acyclic Subgraph on a Superclass of Cubic Graphs
Abstract. Finding a maximum acyclic subgraph is on the list of problems that seem to be hard to tackle from a parameterized perspective. We develop two quite efficient algorithms (...
Henning Fernau, Daniel Raible