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[HTML][HTML] On the complexity of barrier resilience for fat regions and bounded ply
In the barrier resilience problem (introduced by Kumar et al., Wireless Networks 2007), we
are given a collection of regions of the plane, acting as obstacles, and we would like to …
are given a collection of regions of the plane, acting as obstacles, and we would like to …
Revisiting the Minimum Constraint Removal Problem in Mobile Robotics
The minimum constraint removal problem seeks to find the minimum number of constraints,
ie, obstacles, that need to be removed to connect a start to a goal location with a collision …
ie, obstacles, that need to be removed to connect a start to a goal location with a collision …
How to navigate through obstacles?
E Eiben, I Kanj - ar** geometric
objects as obstacles in the plane, and we want to find the minimum number of obstacles that …
objects as obstacles in the plane, and we want to find the minimum number of obstacles that …
Minimum cell connection in line segment arrangements
We study the complexity of the following cell connection problems in segment arrangements.
Given a set of straight-line segments in the plane and two points a and b in different cells of …
Given a set of straight-line segments in the plane and two points a and b in different cells of …
Point separation and obstacle removal by finding and hitting odd cycles
Suppose we are given a pair of points $ s, t $ and a set $ S $ of $ n $ geometric objects in
the plane, called obstacles. We show that in polynomial time one can construct an auxiliary …
the plane, called obstacles. We show that in polynomial time one can construct an auxiliary …
A constant factor approximation for navigating through connected obstacles in the plane
Given two points s and t in the plane and a set of obstacles defined by closed curves, what is
the minimum number of obstacles touched by a path connecting s and t? This is a …
the minimum number of obstacles touched by a path connecting s and t? This is a …