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ICALP
2011
Springer
14 years 10 months ago
Vertex Cover in Graphs with Locally Few Colors
In [13], Erd˝os et al. defined the local chromatic number of a graph as the minimum number of colors that must appear within distance 1 of a vertex. For any ∆ ≥ 2, there are ...
Fabian Kuhn, Monaldo Mastrolilli
CASES
2009
ACM
16 years 1 months ago
Optimal loop parallelization for maximizing iteration-level parallelism
This paper solves the open problem of extracting the maximal number of iterations from a loop that can be executed in parallel on chip multiprocessors. Our algorithm solves it opt...
Duo Liu, Zili Shao, Meng Wang, Minyi Guo, Jingling...
GLOBECOM
2010
IEEE
15 years 4 months ago
Graph-Based Optimization for Relay-Assisted Bidirectional Cellular Networks
This paper considers a relay-assisted bidirectional cellular network where the base station (BS) communicates with each mobile station (MS) using orthogonal frequency-division mult...
Yuan Liu, Meixia Tao
PODC
2005
ACM
16 years 21 hour ago
Facility location: distributed approximation
In this paper, we initiate the study of the approximability of the facility location problem in a distributed setting. In particular, we explore a trade-off between the amount of...
Thomas Moscibroda, Roger Wattenhofer
COMPSYSTECH
2011
14 years 6 months ago
Encoding watermark numbers as cographs using self-inverting permutations
Abstract. In a software watermarking environment, several graph theoretic watermark methods encode the watermark values as graph structures and embed them in application programs. ...
Maria Chroni, Stavros D. Nikolopoulos