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Journal articles on the topic 'Classical range succession model'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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1

Steer, Philippe, Thomas Croissant, Edwin Baynes, and Dimitri Lague. "Statistical modelling of co-seismic knickpoint formation and river response to fault slip." Earth Surface Dynamics 7, no. 3 (2019): 681–706. http://dx.doi.org/10.5194/esurf-7-681-2019.

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Abstract. Most landscape evolution models adopt the paradigm of constant and uniform uplift. It results that the role of fault activity and earthquakes on landscape building is understood under simplistic boundary conditions. Here, we develop a numerical model to investigate river profile development subjected to fault displacement by earthquakes and erosion. The model generates earthquakes, including mainshocks and aftershocks, that respect the classical scaling laws observed for earthquakes. The distribution of seismic and aseismic slip can be partitioned following a spatial distribution of

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2

Lee, Seung-Joon, George T. Yates, and T. Yaotsu Wu. "Experiments and analyses of upstream-advancing solitary waves generated by moving disturbances." Journal of Fluid Mechanics 199 (February 1989): 569–93. http://dx.doi.org/10.1017/s0022112089000492.

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In this joint theoretical, numerical and experimental study, we investigate the phenomenon of forced generation of nonlinear waves by disturbances moving steadily with a transcritical velocity through a layer of shallow water. The plane motion considered here is modelled by the generalized Boussinesq equations and the forced Korteweg-de Vries (fKdV) equation, both of which admit two types of forcing agencies in the form of an external surface pressure and a bottom topography. Numerical results are obtained using both theoretical models for the two types of forcings. These results illustrate th

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Krone, Stephen M., and Claudia Neuhauser. "A spatial model of range-dependent succession." Journal of Applied Probability 37, no. 04 (2000): 1044–60. http://dx.doi.org/10.1017/s0021900200018210.

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We consider an interacting particle system in which each site of the d-dimensional integer lattice can be in state 0, 1, or 2. Our aim is to model the spread of disease in plant populations, so think of 0 = vacant, 1 = healthy plant, 2 = infected plant. A vacant site becomes occupied by a plant at a rate which increases linearly with the number of plants within range R, up to some saturation level, F 1, above which the rate is constant. Similarly, a plant becomes infected at a rate which increases linearly with the number of infected plants within range M, up to some saturation level, F 2. An

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Krone, Stephen M., and Claudia Neuhauser. "A spatial model of range-dependent succession." Journal of Applied Probability 37, no. 4 (2000): 1044–60. http://dx.doi.org/10.1239/jap/1014843082.

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We consider an interacting particle system in which each site of the d-dimensional integer lattice can be in state 0, 1, or 2. Our aim is to model the spread of disease in plant populations, so think of 0 = vacant, 1 = healthy plant, 2 = infected plant. A vacant site becomes occupied by a plant at a rate which increases linearly with the number of plants within range R, up to some saturation level, F1, above which the rate is constant. Similarly, a plant becomes infected at a rate which increases linearly with the number of infected plants within range M, up to some saturation level, F2. An in

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5

Brown, David R., Lisa A. Cassis, Dennis L. Silcox, Laura V. Brown, and David C. Randall. "Empirical and theoretical analysis of the extremely low frequency arterial blood pressure power spectrum in unanesthetized rat." American Journal of Physiology-Heart and Circulatory Physiology 291, no. 6 (2006): H2816—H2824. http://dx.doi.org/10.1152/ajpheart.00135.2006.

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The slope of the log of power versus the log of frequency in the arterial blood pressure (BP) power spectrum is classically considered constant over the low-frequency range (i.e., “fractal” behavior), and is quantified by β in the relationship “1/ fβ.” In practice, the fractal range cannot extend to indefinitely low frequencies, but factor(s) that terminate this behavior, and determine β, are unclear. We present 1) data in rats ( n = 8) that reveal an extremely low frequency spectral region (0.083–1 cycle/h), where β approaches 0 (i.e., the “shoulder”); and 2) a model that 1) predicts realisti

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Schneider, Linda, Christian Barthlott, Corinna Hoose, and Andrew I. Barrett. "Relative impact of aerosol, soil moisture, and orography perturbations on deep convection." Atmospheric Chemistry and Physics 19, no. 19 (2019): 12343–59. http://dx.doi.org/10.5194/acp-19-12343-2019.

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Abstract. The predictability of deep moist convection depends on many factors, such as the synoptic-scale flow, the geographical region (i.e., the presence of mountains), and land surface–atmosphere as well as aerosol–cloud interactions. This study addresses all these factors by investigating the relative impact of orography, soil moisture, and aerosols on precipitation over Germany in different weather regimes. To this end, we conduct numerical sensitivity studies with the COnsortium for Small-sale MOdelling (COSMO) model at high spatial resolution (500 m grid spacing) for 6 days with weak an

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7

Da Silva, F. W. O., and A. S. T. Pires. "Short-Range Order in the Quasi-One-Dimensional Classical Heisenberg Model." physica status solidi (b) 130, no. 2 (1985): K117—K120. http://dx.doi.org/10.1002/pssb.2221300255.

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8

Gupta, Shamik, and David Mukamel. "Quasistationarity in a model of classical spins with long-range interactions." Journal of Statistical Mechanics: Theory and Experiment 2011, no. 03 (2011): P03015. http://dx.doi.org/10.1088/1742-5468/2011/03/p03015.

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9

Sarkanych, P., Yu Holovatch, and R. Kenna. "Classical phase transitions in a one-dimensional short-range spin model." Journal of Physics A: Mathematical and Theoretical 51, no. 50 (2018): 505001. http://dx.doi.org/10.1088/1751-8121/aaea02.

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10

Bell, Graham, and Étienne Fortier-Dubois. "Trophic dynamics of a simple model ecosystem." Proceedings of the Royal Society B: Biological Sciences 284, no. 1862 (2017): 20171463. http://dx.doi.org/10.1098/rspb.2017.1463.

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We have constructed a model of community dynamics that is simple enough to enumerate all possible food webs, yet complex enough to represent a wide range of ecological processes. We use the transition matrix to predict the outcome of succession and then investigate how the transition probabilities are governed by resource supply and immigration. Low-input regimes lead to simple communities whereas trophically complex communities develop when there is an adequate supply of both resources and immigrants. Our interpretation of trophic dynamics in complex communities hinges on a new principle of m

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11

Jenkins, Kurt J., and R. Gerald Wright. "Simulating Succession of Riparian Spruce Forests and White-Tailed Deer Carrying Capacity in Northwestern Montana." Western Journal of Applied Forestry 2, no. 3 (1987): 80–83. http://dx.doi.org/10.1093/wjaf/2.3.80.

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Abstract Rates of succession were determined during the period 1945-80 in six floodplain plant communities along the North Fork of the Flathead River, Montana. A succession model was developed to forecast the long-range effects of land-use change on the carrying capacity of white-tailed deer winter range. The areas occupied by mature spruce (Picea englemannii x glauca hybrid) and spruce-black cottonwood (Populus trichocarpa) forests on the floodplain were relatively constant between 1945-1980. Early seral types were more variable due to short-term variations in river flow. Successional modelli

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12

Kapikranian, O., B. Berche, and Yu Holovatch. "Quasi-long-range ordering in a finite-size 2D classical Heisenberg model." Journal of Physics A: Mathematical and Theoretical 40, no. 14 (2007): 3741–48. http://dx.doi.org/10.1088/1751-8113/40/14/001.

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13

Rosenberger, A. T., C. C. Sung, S. D. Pethel, and C. M. Bowden. "Classical model for high-field ionization suppression in a short-range potential." Physical Review A 56, no. 3 (1997): 2459–62. http://dx.doi.org/10.1103/physreva.56.2459.

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14

Oh, Suhk Kun, Chang No Yoon, and Jean S. Chung. "Dynamic finite-size effect in an infinite-range classical antiferromagnetic spin model." Physical Review B 55, no. 1 (1997): 44–47. http://dx.doi.org/10.1103/physrevb.55.44.

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15

Jamet, J. L., N. Jean, G. Bogé, S. Richard, and D. Jamet. "Plankton succession and assemblage structure in two neighbouring littoral ecosystems in the north-west Mediterranean Sea." Marine and Freshwater Research 56, no. 1 (2005): 69. http://dx.doi.org/10.1071/mf04102.

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We studied seasonal variations in bacterial abundance and succession in phyto- and zooplankton assemblages (particularly small taxa) in two neighbouring shallow bays (near Toulon, Mediterranean Sea, France): Little Bay (polluted, eutrophic), and Niel Bay (less polluted, oligotrophic). In Little Bay, bacteria developed in northern spring and phytoplankton (Dinophyceae > 20 µm) in late northern winter–early spring. Zooplankton levels peaked at the end of northern spring and in autumn; this community was dominated by Oithona nana. In Niel Bay, bacterial levels peaked during northern spring and

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Stolarski, Adam, Waldemar Cichorski, and Anna Szcześniak. "Non-Classical Model of Dynamic Behavior of Concrete." Applied Sciences 9, no. 13 (2019): 2590. http://dx.doi.org/10.3390/app9132590.

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Modeling of dynamic properties of concrete is presented in the paper. The non-classical model of dynamic deformation was proposed. The essence of this model is the method of determination of the initial dynamic yield surface. For this purpose, the dynamic strength criterion was used. The model describes the elastic properties until attaining the dynamic strength of concrete, perfectly plastic properties in the limited range of deformation, material softening, material dilatation, and cracking or crushing of material as the residual stress processes during tension or compression. Degradation of

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17

OKUYUCU, CENGİZ, TATYANA K. DIMITROVA, MEHMET CEMAL GÖNCÜOĞLU, and İBRAHİM GEDİK. "Late Permian (Tatarian) fluvio-lacustrine successions in NW Anatolia (Zonguldak Terrane, Turkey): palaeogeographic implications." Geological Magazine 154, no. 5 (2016): 1073–87. http://dx.doi.org/10.1017/s0016756816000674.

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AbstractLate Permian fluvio-lacustrine successions of the Çakraz Formation in the Zonguldak Terrane between the regions of Akçakoca and Ereğli were investigated in order to describe the litho- and biostratigraphic properties and explain the depositional environment. The studied succession with black, dark-grey to greenish-grey shales, siltstones and limestones is named the Alaplı Member to distinguish it from the classical red clastic successions, which are tentatively named the Ereğli Member of the Çakraz Formation. The organic-rich black shales, mudstones and limestones of the Alaplı Member

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18

Priyanka, Sayani Chatterjee, and Kavita Jain. "Slow quench dynamics in classical systems: kinetic Ising model and zero-range process." Journal of Statistical Mechanics: Theory and Experiment 2021, no. 3 (2021): 033208. http://dx.doi.org/10.1088/1742-5468/abe2a2.

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19

Yang, Zhiqiang, Warren B. Cohen, and Mark E. Harmon. "Modeling early forest succession following clear-cutting in western Oregon." Canadian Journal of Forest Research 35, no. 8 (2005): 1889–900. http://dx.doi.org/10.1139/x05-132.

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In the Pacific Northwest, the process of conifer development after stand-replacing disturbance has important implications for many forest processes (e.g., carbon storage, nutrient cycling, and biodiversity). This paper examines conifer development in the Coast Range Province and Western Cascades Province of Oregon using repeat interpretation of historic aerial photographs from 1959 to 1997 to examine the canopy cover change of different life forms: shrubs, hardwood trees, and conifer trees. Ninety-four stands from the Western Cascades Province and 59 stands from the Coast Range Province were p

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20

Negrete, Oscar A., Patricio Vargas, Francisco J. Peña, Gonzalo Saravia, and Eugenio E. Vogel. "Short-Range Berezinskii-Kosterlitz-Thouless Phase Characterization for the q-State Clock Model." Entropy 23, no. 8 (2021): 1019. http://dx.doi.org/10.3390/e23081019.

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Beyond the usual ferromagnetic and paramagnetic phases present in spin systems, the usual q-state clock model presents an intermediate vortex state when the number of possible orientations q for the system is greater than or equal to 5. Such vortex states give rise to the Berezinskii-Kosterlitz-Thouless (BKT) phase present up to the XY model in the limit q→∞. Based on information theory, we present here an analysis of the classical order parameters plus new short-range parameters defined here. Thus, we show that even using the first nearest neighbors spin-spin correlations only, it is possible

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21

Romano, S. "Monte Carlo simulation of a one dimensional classical Heisenberg model with long range interactions." Liquid Crystals 4, no. 5 (1989): 483–95. http://dx.doi.org/10.1080/02678298908033183.

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22

Campelo, M. W. V., J. P. de Lima, and L. L. Gonçalves. "Entanglement and quantum-classical crossover in the extended XX model with long-range interactions." Journal of Magnetism and Magnetic Materials 327 (February 2013): 110–20. http://dx.doi.org/10.1016/j.jmmm.2012.09.046.

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23

Breña Naranjo, J. A., M. Weiler, and K. Stahl. "Sensitivity of a data-driven soil water balance model to estimate summer evapotranspiration along a forest chronosequence." Hydrology and Earth System Sciences 15, no. 11 (2011): 3461–73. http://dx.doi.org/10.5194/hess-15-3461-2011.

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Abstract. The hydrology of ecosystem succession gives rise to new challenges for the analysis and modelling of water balance components. Recent large-scale alterations of forest cover across the globe suggest that a significant portion of new biophysical environments will influence the long-term dynamics and limits of water fluxes compared to pre-succession conditions. This study assesses the estimation of summer evapotranspiration along three FLUXNET sites at Campbell River, British Columbia, Canada using a data-driven soil water balance model validated by Eddy Covariance measurements. It exp

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24

MONETTE, L. "SPINODAL NUCLEATION." International Journal of Modern Physics B 08, no. 11n12 (1994): 1417–527. http://dx.doi.org/10.1142/s0217979294000646.

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The aim of this paper is to present the theoretical foundations of spinodal nucleation, by reviewing key theoretical and numerical work. The basic ideas of classical nucleation theory are first presented: the classical droplet model, and the Becker-Döring theory, as these concepts are important to the development of the field theoretical formulation of nucleation. The field theoretical framework for classical nucleation is exposed in some detail, followed by the presentation of a similar framework, extended to nucleation in the proximity of a spinodal (non-classical nucleation), in the presenc

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25

Padoan, Alberto, Fulvio Forni, and Rodolphe Sepulchre. "Balanced truncation for model reduction of biological oscillators." Biological Cybernetics 115, no. 4 (2021): 383–95. http://dx.doi.org/10.1007/s00422-021-00888-4.

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AbstractModel reduction is a central problem in mathematical biology. Reduced order models enable modeling of a biological system at different levels of complexity and the quantitative analysis of its properties, like sensitivity to parameter variations and resilience to exogenous perturbations. However, available model reduction methods often fail to capture a diverse range of nonlinear behaviors observed in biology, such as multistability and limit cycle oscillations. The paper addresses this need using differential analysis. This approach leads to a nonlinear enhancement of classical balanc

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Eisenberg, E., and R. Berkovits. "The addition spectrum of a classical short-range interaction model for a disordered quantum dot." Journal of Physics: Condensed Matter 10, no. 29 (1998): 6515–22. http://dx.doi.org/10.1088/0953-8984/10/29/011.

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27

Romano, S. "One dimensional classical spin models with long range anisotropic interaction. An extreme nematogenic lattice model." Liquid Crystals 10, no. 1 (1991): 73–83. http://dx.doi.org/10.1080/02678299108028230.

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28

Ichimaru, Setsuo, Shuji Ogata, and Kenji Tsuruta. "Short-range screening potentials for classical Coulomb fluids: Monte Carlo sampling and cluster model studies." Physical Review E 50, no. 4 (1994): 2977–85. http://dx.doi.org/10.1103/physreve.50.2977.

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29

Zakharov, Anatoly Yu. "Manifestations of Short-Range and Long-Range Parts of Interatomic Potentials In Rearrangement Processes of Multicomponent Condensed Systems." Solid State Phenomena 138 (March 2008): 347–54. http://dx.doi.org/10.4028/www.scientific.net/ssp.138.347.

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Helmholtz free energy functional for generalized lattice model is reduced to Ginzburg- Landau-like form. Connections between interatomic potentials characteristics and parameters of Ginzburg-Landau-like functional are established. Equations for equilibrium distributions of species in multicomponent systems are derived. Equations of rearrangement kinetics of multicomponent systems are obtained. Description of the rearrangement processes via non-classical partial differential equations is proposed.

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Shigaev, A. S., T. B. Feldman, V. A. Nadtochenko, M. A. Ostrovsky, and V. D. Lakhno. "Investigation of Rhodopsin Chromophore Photoisomerization Based on the Quantum-Classical Model." Mathematical Biology and Bioinformatics 13, no. 1 (2018): 169–86. http://dx.doi.org/10.17537/2018.13.169.

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A quantum-classical model of cis-trans photoisomerization of the visual pigment rhodopsin chromophore was investigated in wide ranges of parameters. The quantum subsystem of the model includes three electronic states for rhodopsin: the ground state, the excited state, and the ground state of primary photoproduct. The local temperature of the mass points of the classical subsystem was used as a main reference quantity. The best agreement with experimental data was shown to be in the range of moderate temperatures in agreement with the Raman spectroscopy data. The essential role of a quick trans

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Mariñoso Guiu, Joan, Antoni Macià, and Stefan T. Bromley. "How to accurately model IR spectra of nanosized silicate grains." Proceedings of the International Astronomical Union 15, S350 (2019): 431–33. http://dx.doi.org/10.1017/s174392132000006x.

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AbstractWe assess the accuracy of various computational methods for obtaining infrared (IR) spectra of nanosized silicate dust grains directly from their atomistic structure and atomic motions. First, IR spectra for a selection of small nanosilicate clusters with a range of sizes and chemical compositions are obtained within the harmonic oscillator approximation employing density functional theory (DFT) based quantum chemical calculations. To check if anharmonic effects play a significant role in the IR spectra of these nanoclusters, we further obtain their IR spectra from finite temperature D

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32

Li, Hao. "Non-Classical Probability Seismic Reliability Based on Pushover Analysis." Applied Mechanics and Materials 638-640 (September 2014): 1822–27. http://dx.doi.org/10.4028/www.scientific.net/amm.638-640.1822.

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In this paper, the probabilistic model is used to quantify the uncertainty of structural resistance, and the convex model is used to quantify the seismic uncertainty. The distribution parameters for the probabilistic model, together with the interval range for the convex model, are obtained through pushover analysis. Two-level function equation method is employed to calculate the seismic reliability of the structure. Case study shows that compared with the classical probability method, the proposed method is more simple and reasonable for seismic reliability analysis.

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Carevic, Ivana, Darivojka Ljubovic-Obradovic, Monika Bozinovic, and Velimir Jovanovic. "Upper Barremian-Lower Aptian Urgonian limestone's in the Rakova bara section (Carpatho-balkanides, NE Serbia): Analysis and comparison with adjacent areas." Glasnik Srpskog geografskog drustva 90, no. 1 (2010): 1–16. http://dx.doi.org/10.2298/gsgd1001001c.

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The Upper Barremian-Lower Aptian succession is recorded from a limestone sequence that crops out in the surrounding of Rakova Bara in the Carpatho-Balkanides range in northeastern Serbia. The micropalaeontological and sedimentological studies lead to recognition of the two types of microfacies. The benthic foraminiferal association consists of Vercorsella laurentii, Rumanoloculina robusta, Praechrysalidina infracretaceae, Dictyoconus gr. arabicus, Debarina hahounerensis, Charentia cuvilieri and Pseudocyclammina lituus that confirm the stratigraphical and palaeoenvironmental connection of the m

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Didion, Markus, Andrea D. Kupferschmid, Andreas Zingg, Lorenz Fahse, and Harald Bugmann. "Gaining local accuracy while not losing generality — extending the range of gap model applications." Canadian Journal of Forest Research 39, no. 6 (2009): 1092–107. http://dx.doi.org/10.1139/x09-041.

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For the study of long-term processes in forests, gap models generally sacrifice accuracy (i.e., simulating system behavior in a quantitatively accurate manner) for generality (i.e., representing a broad range of systems’ behaviors with the same model). We selected the gap model ForClim to evaluate whether the local accuracy of forest succession models can be increased based on a parsimonious modeling approach that avoids the additional complexity of a 3D crown model, thus keeping parameter requirements low. We improved the representation of tree crowns by introducing feedbacks between (i) ligh

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Ramírez, J., and J. R. Sanmartín. "Self-similar expansion of laser plasmas with nonlocal heat flux." Laser and Particle Beams 12, no. 1 (1994): 55–64. http://dx.doi.org/10.1017/s0263034600007229.

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A previous hydrodynamic model of the expansion of a laser-produced plasma, using classical (Spitzer) heat flux, is reconsidered with a nonlocal heat flux model. The nonlocal law is shown to be valid beyond the range of validity of the classical law, breaking down ultimately, however, in agreement with recent predictions.

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Pagano, Guido, Aniruddha Bapat, Patrick Becker, et al. "Quantum approximate optimization of the long-range Ising model with a trapped-ion quantum simulator." Proceedings of the National Academy of Sciences 117, no. 41 (2020): 25396–401. http://dx.doi.org/10.1073/pnas.2006373117.

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Quantum computers and simulators may offer significant advantages over their classical counterparts, providing insights into quantum many-body systems and possibly improving performance for solving exponentially hard problems, such as optimization and satisfiability. Here, we report the implementation of a low-depth Quantum Approximate Optimization Algorithm (QAOA) using an analog quantum simulator. We estimate the ground-state energy of the Transverse Field Ising Model with long-range interactions with tunable range, and we optimize the corresponding combinatorial classical problem by samplin

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MASSANÉS, S. RIPOLL, and C. J. PÉREZ VICENTE. "CLASSICAL-LIKE RESONANCE INDUCED BY NOISE IN A FITZHUGH–NAGUMO NEURON MODEL." International Journal of Bifurcation and Chaos 09, no. 12 (1999): 2295–303. http://dx.doi.org/10.1142/s0218127499001784.

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We have studied the stochastic behavior of Fitzhugh–Nagumo neuron-like model (FN) induced by subthreshold external stimuli. Our analysis based on three standard measures: the power spectrum, interspike interval distribution (ISI) and autocorrelation function shows that it is possible to define a characteristic time scale which can be identified in the response of the system for a wide range of frequencies. In contrast to previous studies we have focused our attention on high frequency signals which could be of interest for real systems such as nervous fibers in the auditory system. We report b

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GOLDSTEIN, ROBERT S. "CLASSICAL XY SYSTEMS UNDER TIME DEPENDENT MAGNETIC FIELDS." Modern Physics Letters B 07, no. 01 (1993): 47–55. http://dx.doi.org/10.1142/s0217984993000084.

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The phase diagram of the hard-spin XY model with infinite-range coupling under time dependent magnetic fields is investigated. Phases are distinguished by measuring time-average magnetization (TAM). For the case of an oscillating (AC) magnetic field, three phases with non-zero TAM are found in addition to a zero TAM phase. All phases are found to be synchronous with the driving frequency. The non-zero TAM-zero TAM transition line diverges to infinite magnetic field amplitude for low temperatures. An unusual type of hysteresis due to the infinite range coupling appears. Some strategic points in

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Cirto, Leonardo J. L., Leonardo S. Lima, and Fernando D. Nobre. "Controlling the range of interactions in the classical inertial ferromagnetic Heisenberg model: analysis of metastable states." Journal of Statistical Mechanics: Theory and Experiment 2015, no. 4 (2015): P04012. http://dx.doi.org/10.1088/1742-5468/2015/04/p04012.

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Ichimaru, Setsuo, Shuji Ogata, and Kenji Tsuruta. "Erratum: Short-range screening potentials for classical Coulomb fluids: Monte Carlo sampling and cluster model studies." Physical Review E 51, no. 4 (1995): 3788. http://dx.doi.org/10.1103/physreve.51.3788.

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41

Kang, Lakhwinder Singh, and Harpreet Sidhu. "Leadership Development and Succession Planning at ICICI Bank." Asian Case Research Journal 15, no. 02 (2011): 253–77. http://dx.doi.org/10.1142/s0218927511001551.

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On 19 December 2008, ICICI bank named joint managing director Chanda Kochhar as its new CEO from May 2009 to lead India's second-largest lender at a time of declining market share, soaring bad debts and a tough global environment. She would be the successor of the 61-year-old visionary banker K. V. Kamath, MD and CEO of ICICI Bank who was to retire on 30 April 2009 after completing his successful tenure of 11 years. ICICI bank with a network of 1,456 branches and 4,721 ATMs in India and presence in 18 countries, is India's second-largest bank with total assets of Rs. 3,793.01 billion (US$75 bi

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Ryzhkova, Vera, Irina Danilova, and Mikhail Korets. "A Gis-Based Mapping and Estimation the Current Forest Landscape State and Dynamics." Journal of Landscape Ecology 4, no. 1 (2011): 42–54. http://dx.doi.org/10.2478/v10285-012-0033-0.

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A Gis-Based Mapping and Estimation the Current Forest Landscape State and DynamicsClassification and inventory of the current diversity of forest communities and their environments (i.e. site conditions) were developed based on Kolesnikov's topogenetic classification approach in Angara region (Central Siberia). This classification considers characteristics of forest regeneration dynamics, such as trends and rates of forest regeneration succession in a range of site conditions; therefore, it is used as a basis of a key for a forest regeneration dynamics map. An algorithm of forest regeneration

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Papini, Giorgio. "Some Classical and Quantum Aspects of Gravitoelectromagnetism." Entropy 22, no. 10 (2020): 1089. http://dx.doi.org/10.3390/e22101089.

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It has been shown that, even in linear gravitation, the curvature of space-time can induce ground state degeneracy in quantum systems, break the continuum symmetry of the vacuum and give rise to condensation in a system of identical particles. Condensation takes the form of a temperature-dependent correlation over distances, of momenta oscillations about an average momentum, of vortical structures and of a positive gravitational susceptibility. In the interaction with quantum matter and below a certain range, gravity is carried by an antisymmetric, second order tensor that satisfies Maxwell-ty

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LIANG, YINGJIE, and WEN CHEN. "TWO-SCALE DISTRIBUTION OF PRIME NUMBER AND ITS DIFFUSION EQUATION MODEL." Fractals 25, no. 02 (2017): 1750022. http://dx.doi.org/10.1142/s0218348x17500220.

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This study reveals the two-scale characteristics in prime number distribution. It is observed a sub-diffusion process of power law decay at the small scale of the natural number [Formula: see text], but is found to obey the classical Brownian motion of an exponential decay at the large scale [Formula: see text]. Such two-scale mechanism gives rise to the multi-fractal scaling from the power law to the exponential law distributions in a transition region of the natural number [Formula: see text]. In the small range, the sub-diffusion of prime number distribution is well depicted by the fraction

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LE VAN QUYEN, MICHEL, HEINZ G. SCHUSTER, and FRANCISCO J. VARELA. "FAST DYNAMIC COUPLING FROM SLOW NEURONAL OSCILLATORS." International Journal of Bifurcation and Chaos 06, no. 10 (1996): 1807–16. http://dx.doi.org/10.1142/s0218127496001144.

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We focus here on the possible role of the widely distributed slow (4–10 Hz) intrinsic bursting neurons in the establishment of long range spacetime coherent subgroups of neurons at multiple locations. We show that a dynamic coupling of these relaxation oscillators provides a simple mechanism whereby an excitatory interconnected network can give rise to coexisting synchronous assemblies of slow neurons in a phase ordered relationship. In the model, this sequential phase locking is dependent on fast inhibitory feedbacks. As a consequence, global rhythms of a broad frequency range spontaneously a

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Sabi Takou, D., M. Karimou, F. Hontinfinde, and E. Albayrak. "Anisotropic Heisenberg model for the mixed spin-3/2 and spin-1/2 under random crystal field." Condensed Matter Physics 24, no. 1 (2021): 13704. http://dx.doi.org/10.5488/cmp.24.13704.

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Thermodynamic properties of the mixed spin-3/2 and spin-1/2 Heisenberg model are examined within the Oguchi approximation in the presence of a random crystal-field (RCF). The RCF is either introduced with probability p or turned off with probability 1-p randomly. The thermal variations of the global magnetization and free energy of the system are investigated to construct the phase diagrams for the classical, quantum and anisotropic cases. Different results revealed that no qualitative changes exist between them. Quantum effects are found to be present and abundant in the quantum model in the

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Tan, Zhenhua, Liangliang He, Danke Wu, Qiuyun Chang, and Bin Zhang. "Personalized Standard Deviations Improve the Baseline Estimation of Collaborative Filtering Recommendation." Applied Sciences 10, no. 14 (2020): 4756. http://dx.doi.org/10.3390/app10144756.

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Baseline estimation is a critical component for latent factor-based collaborative filtering (CF) recommendations to obtain baseline predictions by evaluating global deviations for both users and items from personalized ratings. Classical baseline estimation presupposes that the user’s factual rating range is the same as the system’s given rating range. However, from observations on real datasets of movie recommender systems, we found that different users have different actual rating ranges, and users can be classified into four kinds according to their personalized rating criterion, including

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Jelby, Mads Engholm, Nicolas Thibault, Finn Surlyk, Clemens V. Ullmann, Rikke Harlou, and Christoph Korte. "The lower Maastrichtian Hvidskud succession, Møns Klint, Denmark: calcareous nannofossil biostratigraphy, carbon isotope stratigraphy, and bulk and brachiopod oxygen isotopes." Bulletin of the Geological Society of Denmark 62 (November 28, 2014): 89–104. http://dx.doi.org/10.37570/bgsd-2014-62-05.

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A new calcareous nannofossil and δ13C stratigraphy is established for the chalk exposed in the lower Maastrichtian Hvidskud succession, Møns Klint, Denmark. It is based on 21 nannofossil samples and analysis of 82 stable isotope samples, allowing correlation with a previously established brachiopod zonation. The succession, which belongs to the brachiopod spinosa-subtilis to pulchellus-pulchellus zones, extends upwards from calcareous nannofossil subzone UC16ii to UC19ii and encompasses δ13C events M1+ to M2+. A new chronostratigraphic and geochronological age model is proposed based on correl

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WANG, CHUN-YANG, and XIANG-MU KONG. "AN ATTEMPT TO INTRODUCE LONG-RANGE INTERACTIONS INTO SMALL-WORLD NETWORKS." Modern Physics Letters B 24, no. 07 (2010): 671–79. http://dx.doi.org/10.1142/s0217984910022743.

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Distinguishing the long-range bonds with the regular ones, the critical temperature of the spin-lattice Gaussian model built on two typical small-world networks is studied. The results show much difference from the classical case, and thus may induce some more accurate discussion on the critical properties of the spin-lattice systems combined with the small-world networks.

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Uezu, Tatsuya, Tomoyuki Kimoto, Shuji Kiyokawa, and Masato Okada. "Correspondence between Phase Oscillator Network and Classical XY Model with the Same Infinite-Range Interaction in Statics." Journal of the Physical Society of Japan 84, no. 3 (2015): 033001. http://dx.doi.org/10.7566/jpsj.84.033001.

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