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JDA
2006
14 years 9 months ago
2006
Abstract. Planar drawings of clustered graphs are considered. We introduce the notion of completely connected clustered graphs, i.e. hierarchically clustered graphs that have the p...
JGT
2010
14 years 7 months ago
2010
We study vertex-colorings of plane graphs that do not contain a rainbow face, i.e., a face with vertices of mutually distinct colors. If G is a 3-connected plane graph with n vert...
PRESENCE
2006
14 years 9 months ago
2006
Research on virtual environments has provided insights into the experience of presence (or being there) and copresence (being there together). Several dimensions of this experienc...
COMBINATORICS
1998
14 years 9 months ago
1998
A multimatroid is a combinatorial structure that encompasses matroids, delta-matroids and isotropic systems. This structure has been introduced to unify a theorem of Edmonds on th...
BROADNETS
2006
IEEE
15 years 3 months ago
2006
IEEE
— In this paper, we study coverage with connectivity properties in large wireless sensor networks. We consider three classes: full coverage with connectivity, partial coverage wi...