414 search results - page 38 / 83 » Geometric Semigroup Theory |
COMPGEOM
2005
ACM
13 years 12 months ago
2005
ACM
Let S be an ordered set of disjoint unit spheres in R3 . We show that if every subset of at most six spheres from S admits a line transversal respecting the ordering, then the ent...
CORR
2007
Springer
13 years 10 months ago
2007
Springer
Let S be an ordered set of disjoint unit spheres in R3 . We show that if every subset of at most six spheres from S admits a line transversal respecting the ordering, then the ent...
TCS
2008
13 years 9 months ago
2008
This paper studies shapes (curves and surfaces) which can be described by (piecewise) polynomial support functions. The class of these shapes is closed under convolutions, offsett...
SIAMCO
2000
13 years 9 months ago
2000
Positive real rational functions play a central role in both deterministic and stochastic linear systems theory, as well as in circuit synthesis, spectral analysis, and speech proc...
TSMC
2002
13 years 9 months ago
2002
This paper discusses the problem of approximating data points in -dimensional Euclidean space using spherical and ellipsoidal surfaces. A closed form solution is provided for spher...