Results 41 to 50 of about 1,413,615 (286)

The forwarding indices of graphs - a survey [PDF]

open access: yesOpuscula Mathematica, 2013
A routing \(R\) of a connected graph \(G\) of order \(n\) is a collection of \(n(n-1)\) simple paths connecting every ordered pair of vertices of \(G\).
Jun-Ming Xu, Min Xu
doaj   +1 more source

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

open access: yesFEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe   +3 more
wiley   +1 more source

A Heuristic Angular Clustering Framework for Secured Statistical Data Aggregation in Sensor Networks

open access: yesSensors, 2020
Clustering in wireless sensor networks plays a vital role in solving energy and scalability issues. Although multiple deployment structures and cluster shapes have been implemented, they sometimes fail to produce the expected outcomes owing to different ...
Lalitha Krishnasamy   +5 more
doaj   +1 more source

Cross-docking cargo delivery routing for guaranteed minimum period

open access: yesTransport Technologies, 2022
The article is devoted to the problem of effective use of cross-docking as a technology of cargo delivery with increased time requirements, which allows to resolve the contradictions of guaranteed delivery time ensuring and the efficiency of the existing
Myroslav Oliskevych   +2 more
doaj   +1 more source

Route masters [PDF]

open access: yesCurrent Biology, 2007
A new study reveals that turtles stick closely to previous tracks between breeding and foraging sites, offering new potential to protect these animals at sea. Nigel Williams reports.
openaire   +2 more sources

Vehicle Routing Problems for Drone Delivery [PDF]

open access: yesIEEE Transactions on Systems, Man, and Cybernetics: Systems, 2016
Unmanned aerial vehicles, or drones, have the potential to significantly reduce the cost and time of making last-mile deliveries and responding to emergencies.
Kevin Dorling   +3 more
semanticscholar   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

open access: yesFEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo   +2 more
wiley   +1 more source

An Adaptive Topology Management Scheme to Maintain Network Connectivity in Wireless Sensor Networks

open access: yesSensors, 2022
The roots of Wireless Sensor Networks (WSNs) are tracked back to US military developments, and, currently, WSNs have paved their way into a vast domain of civil applications, especially environmental, critical infrastructure, habitat monitoring, etc.
Muhammad Zia Ul Haq   +6 more
doaj   +1 more source

Drone-aided routing: A literature review

open access: yes, 2020
The interest in using drones in various applications has grown significantly in recent years. The reasons are related to the continuous advances in technology, especially the advent of fast microprocessors, which support intelligent autonomous control of
Giusy Macrina   +3 more
semanticscholar   +1 more source

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

open access: yesFEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka   +11 more
wiley   +1 more source

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