Bruce J. West
Research Triangle Park
StatisticsSeries (mathematics)Random walkPhysicsStatistical physicsMultifractal systemMathematical analysisFractional calculusNonlinear systemFractal dimensionLangevin equationMathematicsComplex networkFractalComputer scienceQuantum mechanicsMedicineClassical mechanicsStochastic processQuantumScaling
534Publications
73H-index
12.5kCitations
Publications 511
Newest
#1Haoyu Niu (UCM: University of California, Merced)H-Index: 5
#2YangQuan Chen (UCM: University of California, Merced)H-Index: 94
Last. Bruce J. WestH-Index: 73
view all 4 authors...
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Since its inception the science of physiology, like many other non-physical disciplines, has been guided in its development by the mechanical models of physics. That strategy has proven to be extraordinarily successful, even surviving the introduction of fractals into the modeling strategy. That is until quite recently. The true complexity of physiologic networks has been revealed with the development and implementation of ever more sensitive sensors and mathematically sophisticated data process...
#1Bruce J. WestH-Index: 73
#2Paolo GrigoliniH-Index: 54
#1Klaudia Kozlowska (Wrocław University of Technology)H-Index: 4
#2Miroslaw Latka (Wrocław University of Technology)H-Index: 10
Last. Bruce J. West (RTP: Research Triangle Park)H-Index: 73
view all 3 authors...
BackgroundLong-range persistent correlations in stride time (ST) and length (SL) are the fundamental traits of treadmill gait. Our recent work showed that the ST and SL time series statistical properties originated from the superposition of large-scale trends and small-scale fluctuations (residuals). Trends served as the control manifolds about which ST and SL fluctuated. The scaling exponents of the residuals were slightly smaller than 0.5. null Research questionDo random changes in treadmill b...
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#1Miroslaw LatkaH-Index: 10
#2Klaudia KozlowskaH-Index: 4
Last. Bruce J. WestH-Index: 73
view all 3 authors...
Source
#1Haoyu Niu (UCM: University of California, Merced)H-Index: 5
#2YangQuan Chen (UCM: University of California, Merced)H-Index: 94
Last. Bruce J. West (RTP: Research Triangle Park)H-Index: 73
view all 3 authors...
Fractional-order calculus is about the differentiation and integration of non-integer orders. Fractional calculus (FC) is based on fractional-order thinking (FOT) and has been shown to help us to understand complex systems better, improve the processing of complex signals, enhance the control of complex systems, increase the performance of optimization, and even extend the enabling of the potential for creativity. In this article, the authors discuss the fractional dynamics, FOT and rich fractio...
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#1Garland Culbreth (UNT: University of North Texas)H-Index: 2
#2Mauro Bologna (University of Tarapacá)H-Index: 17
Last. Paolo Grigolini (UNT: University of North Texas)H-Index: 54
view all 4 authors...
We study two forms of anomalous diffusion, one equivalent to replacing the ordinary time derivative of the standard diffusion equation with the Caputo fractional derivative, and the other equivalent to replacing the time independent diffusion coefficient of the standard diffusion equation with a monotonic time dependence. We discuss the joint use of these prescriptions, with a phenomenological method and a theoretical projection method, leading to two apparently different diffusion equations. We...
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#1Herbert F. Jelinek (Khalifa University)H-Index: 42
#2Rohisha Tuladhar (UTSA: University of Texas at San Antonio)H-Index: 3
Last. Paolo Grigolini (UNT: University of North Texas)H-Index: 54
view all 7 authors...
We review the literature to argue the importance of the occurrence of crucial events in the dynamics of physiological processes. Crucial events are interpreted as short time intervals of turbulence, and the time distance between two consecutive crucial events is a waiting time distribution density with an inverse power law (IPL) index mu, with mu <3 generating non-stationary behavior. The non-stationary condition is characterized by two regimes of the IPL index: (a) perennial non-stationarity, w...
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#1Pawel Glaba (Wrocław University of Technology)H-Index: 1
#2Miroslaw Latka (Wrocław University of Technology)H-Index: 10
Last. Bruce J. West (RTP: Research Triangle Park)H-Index: 73
view all 10 authors...
Absence seizures are generalized nonmotor epileptic seizures with abrupt onset and termination. Transient impairment of consciousness and spike-slow wave discharges (SWDs) in EEG are their characteristic manifestations. This type of seizure is severe in two common pediatric syndromes: childhood (CAE) and juvenile (JAE) absence epilepsy. The appearance of low-cost, portable EEG devices has paved the way for long-term, remote monitoring of CAE and JAE patients. The potential benefits of this kind ...
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