Results 201 to 210 of about 116,078 (220)

OSP-1 protects neurons from autophagic cell death induced by acute oxidative stress. [PDF]

open access: yesNat Commun
Donato A   +10 more
europepmc   +1 more source

A Compact High-Precision Cascade PID-Control Laser Driver for Airborne Coherent LiDAR Applications. [PDF]

open access: yesSensors (Basel)
Ming Z   +9 more
europepmc   +1 more source

Unit disk graph approximation [PDF]

open access: possibleProceedings of the 2004 joint workshop on Foundations of mobile computing, 2004
Finding a good embedding of a unit disk graph given by its connectivity information is a problem of practical importance in a variety of fields. In wireless ad hoc and sensor networks, such an embedding can be used to obtain virtual coordinates. In this paper, we prove a non-approximability result for the problem of embedding a given unit disk graph ...
Fabian Kuhn   +2 more
openaire   +1 more source

Planar Hop Spanners for Unit Disk Graphs [PDF]

open access: possible, 2010
The simplest model of a wireless network graph is the Unit Disk Graph (UDG): an edge exists in UDG if the Euclidean distance between its endpoints is ≤ 1. The problem of constructing planar spanners of Unit Disk Graphs with respect to the Euclidean distance has received considerable attention from researchers in computational geometry and ad-hoc ...
Catusse, Nicolas   +2 more
openaire   +7 more sources

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