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COLOGNETWENTE
2007
15 years 6 months ago
Approximating minimum independent dominating sets in wireless networks
We present the first polynomial-time approximation scheme (PTAS) for the Minimum Independent Dominating Set problem in graphs of polynomially bounded growth. Graphs of bounded gr...
Johann Hurink, Tim Nieberg
CORR
2012
Springer
229views Education» more  CORR 2012»
14 years 11 days ago
Cops and Invisible Robbers: the Cost of Drunkenness
We examine a version of the Cops and Robber (CR) game in which the robber is invisible, i.e., the cops do not know his location until they capture him. Apparently this game (CiR) h...
Athanasios Kehagias, Dieter Mitsche, Pawel Pralat
FLOPS
2004
Springer
15 years 10 months ago
Complete Axiomatization of an Algebraic Construction of Graphs
This paper presents a complete (infinite) axiomatization for an algebraic construction of graphs, in which a finite fragment denotes the class of graphs with bounded tree width.
Mizuhito Ogawa
SODA
1993
ACM
85views Algorithms» more  SODA 1993»
15 years 6 months ago
On Traversing Layered Graphs On-line
The following bounds on the competitive ratios of deterministic and randomized on-line algorithms for traversing width-w layered graphs are obtained.
H. Ramesh
CORR
2007
Springer
151views Education» more  CORR 2007»
15 years 4 months ago
The Complexity of Games on Higher Order Pushdown Automata
Abstract. We prove an n-exptime lower bound for the problem of deciding the winner in a reachability game on Higher Order Pushdown Automata (HPDA) of level n. This bound matches th...
Thierry Cachat, Igor Walukiewicz