Sciweavers

4761 search results - page 229 / 953
» Generalizing Boundary Points
Sort
View
CCCG
2009
15 years 3 months ago
Wireless Localization with Vertex Guards is NP-hard
We consider a special class of art gallery problems inspired by wireless localization. Given a simple polygon P, place and orient guards each of which broadcasts a unique key with...
Tobias Christ, Michael Hoffmann
CDC
2010
IEEE
126views Control Systems» more  CDC 2010»
15 years 23 days ago
Bifurcation of singular arcs in an optimal control problem for cancer immune system interactions under treatment
A mathematical model for cancer treatment that includes immunological activity is considered as an optimal control problem. In the uncontrolled system there exist both a region of ...
Urszula Ledzewicz, Mohammad Naghnaeian, Heinz Sch&...
SIAMSC
2011
115views more  SIAMSC 2011»
15 years 21 days ago
A Fast and Stable Solver for Singular Integral Equations on Piecewise Smooth Curves
A scheme is presented for the numerical solution of singular integral equations on piecewise smooth curves. It relies on several techniques: reduction, Nystr¨om discretization, co...
Johan Helsing
VLUDS
2010
187views Visualization» more  VLUDS 2010»
15 years 13 days ago
On Moving Least Squares Based Flow Visualization
Modern simulation and measurement methods tend to produce meshfree data sets if modeling of processes or objects with free surfaces or boundaries is desired. In Computational Flui...
Harald Obermaier, Martin Hering-Bertram, Jörg...
STOC
2006
ACM
92views Algorithms» more  STOC 2006»
16 years 6 months ago
On the importance of idempotence
Range searching is among the most fundamental problems in computational geometry. An n-element point set in Rd is given along with an assignment of weights to these points from so...
Sunil Arya, Theocharis Malamatos, David M. Mount