Results 131 to 140 of about 2,903,116 (358)

Revisiting consensus protocols through wait-free parallelization [PDF]

open access: yesarXiv, 2019
The recent surge of blockchain systems has renewed the interest in traditional Byzantine fault-tolerant consensus protocols. Many such consensus protocols have a primary-backup design in which an assigned replica, the primary, is responsible for coordinating the consensus protocol.
arxiv  

Effects of Pharmacologic and Nonpharmacologic Interventions for the Management of Sleep Problems in People With Fibromyalgia: Systematic Review and Network Meta‐Analysis of Randomized Controlled Trials

open access: yesArthritis Care &Research, EarlyView.
Objective Fibromyalgia is a chronic condition characterized by widespread musculoskeletal pain and fatigue. Almost everyone with fibromyalgia has sleep problems. We aimed to evaluate the effectiveness and safety of current interventions for the management of fibromyalgia‐related sleep problems.
Jemma Hudson   +11 more
wiley   +1 more source

Receding Horizon Control Based Consensus Scheme in General Linear Multi-agent Systems [PDF]

open access: yesarXiv, 2014
This paper investigates the consensus problem of general linear multi-agent systems under the framework of optimization. A novel distributed receding horizon control (RHC) strategy for consensus is proposed. We show that the consensus protocol generated by the unconstrained distributed RHC can be expressed in an explicit form.
arxiv  

Association Between Metabolic Syndrome and Radiographic Changes in Psoriatic Arthritis: A Cohort Study

open access: yesArthritis Care &Research, EarlyView.
Objective Metabolic syndrome (MetS) is a known comorbidity of psoriatic arthritis (PsA) and is associated with PsA disease activity. We aimed to explore the association between MetS and radiographic features (peripheral and axial) in PsA. Methods We included patients with PsA followed at our prospective observational cohort for the period between 1978 ...
Fadi Kharouf   +6 more
wiley   +1 more source

Event-Triggered Consensus for Linear Continuous-time Multi-agent Systems Based on a Predictor [PDF]

open access: yesarXiv, 2017
In this paper, the problem of event-triggered consensus for linear continuous-time multi-agent systems is investigated. A new event-triggered consensus protocol based on a predictor is proposed to achieve consensus without continuous communication among agents. In the proposed consensus protocol, each agent only needs to monitor its states to determine
arxiv  

Consensus Analysis for High-Order Multi-Agent Systems without or with Delays

open access: yesDiscrete Dynamics in Nature and Society, 2013
This paper studies the consensus problem for a high-order multi-agent systems without or with delays. Consensus protocols, which only depend on the own partial information of agents and partial relative information with its neighbors, are proposed for ...
Zhengxin Wang, Yang Cao
doaj   +1 more source

Placebo Effect Sizes in Clinical Trials of Knee Osteoarthritis Using Intra‐Articular Injections of Biologic Agents

open access: yesArthritis Care &Research, EarlyView.
Objective Patients with knee osteoarthritis rely on symptomatic treatments, in which up to 75% of the pain reduction can be attributed to the placebo effect. This effect may vary based on treatment type (eg, biologics vs nonbiologic injection) and route of administration (eg, intra‐articular vs topical vs oral).
Johanna M. Borst   +5 more
wiley   +1 more source

Average Consensus by Graph Filtering: New Approach, Explicit Convergence Rate and Optimal Design [PDF]

open access: yesarXiv, 2018
This paper revisits the problem of multi-agent consensus from a graph signal processing perspective. Describing a consensus protocol as a graph spectrum filter, we present an effective new approach to the analysis and design of consensus protocols in the graph spectrum domain for the uncertain networks, which are difficult to handle by the existing ...
arxiv  

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