414 search results - page 29 / 83 » Geometric Semigroup Theory |
TSP
2010
13 years 2 months ago
2010
This paper considers MIMO transceivers with linear precoders and decision feedback equalizers (DFEs), with bit allocation at the transmitter. Zero-forcing (ZF) is assumed. Consider...
COMPGEOM
2003
ACM
14 years 26 days ago
2003
ACM
Given a polygonal curve and a geometric graph, we describe an efficient algorithm to find a path in the graph which is most similar to the curve, using the well-known Fr´echet d...
SIGACT
2008
13 years 7 months ago
2008
Two long-open problems have been solved: (1) every sufficiently large planar point set in general position contains the vertices of an empty hexagon; (2) every finite collection o...
GIS
2004
ACM
14 years 8 months ago
2004
ACM
In the geometric data model [6], spatio-temporal data are modelled as a finite collection of triangles that are transformed by time-dependent affinities. To facilitate querying an...
NOSSDAV
2009
Springer
14 years 2 months ago
2009
Springer
This article proposes a new distributed architecture for update message exchange in massively multi-user virtual environments (MMVE). MMVE applications require delivery of updates...