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48301
Title not available
Published 2025-03-01“…We prove the convergence of this approach under mild hypotheses and a linear convergence rate under additional non-degeneracy assumptions. …”
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48302
Are Multi‐Decadal Fluctuations in Arctic and Antarctic Surface Temperatures a Forced Response to Anthropogenic Emissions or Part of Internal Climate Variability?
Published 2021-03-01“…We find that the observed oscillation in Arctic surface temperature around a linear trend since 1920 is a forced response to emissions of anthropogenic aerosols and greenhouse gases. …”
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48303
IMPROVING THE EFFICIENCY OF THE PROCEDURE OF LYAPUNOV SPLINE-FUNCTIONS CONSTRUCTION FOR NONLINEAR NONSTATIONARY SYSTEMS
Published 2018-10-01“…Unlike the algorithm for constructing piecewise linear Lyapunov functions, this algorithm analyses systems located near the stability boundary in an acceptable time. …”
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48304
Acoustic pressure of a system of concentric annular sources in a parallel-piped layer of a gaseous medium
Published 2015-07-01“…It was assumed that the system of sources, with known axially-symmetric vibration velocity distribution, was on one of the planar and rigid baffles. Linear phenomena dependent sinusoidally on time were analysed. …”
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48305
Optimal transport reveals dynamic gene regulatory networks via gene velocity estimation.
Published 2025-05-01“…We then infer gene regulation using time-lagged correlation and Granger causality via regularized linear regression. Instead of providing an aggregated network across all time points, our method uncovers the underlying dynamical mechanism across time points. …”
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48306
Spectral analysis of second order quantum difference operator over the sequence space lp (1 < p < ∞)
Published 2025-06-01“…We obtained the results by solving an infinite system of linear equations and computing the inverse of a lower triangular infinite matrix. …”
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48307
Nodal Solutions for Problems with Mean Curvature Operator in Minkowski Space with Nonlinearity Jumping Only at the Origin
Published 2020-01-01“…In this paper, we establish a unilateral global bifurcation result for half-linear perturbation problems with mean curvature operator in Minkowski space. …”
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48308
Behavior of Multispan Extradosed Bridge Subjected to Variation of Cable-Free Segment Length
Published 2022-01-01“…First, a finite element simulation model was established, and linear analysis was performed. The accuracy of the finite element model was verified by comparing the measured data with the finite element analysis. …”
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48309
Do Small Social Wasp Colonies Defend Against Large Intruders?
Published 2025-07-01“…In each species, a substantial fraction of adult females attacked the intruder, with an approximately linear relationship between the total number of females and the number attacking, consistent with the initial hypothesis. …”
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48310
DETERMINATION OF THE KINETIC PARAMETERS OF BeO THERMOLUMINESCENT SAMPLES USING DIFFERENT METHODS
Published 2018-05-01“…The knowledge of the kinetic parameters is important for the general description of the physical characteristics of a thermoluminescent material. Using a linear heating rate of 5K/s-1, the BeO peak temperatures obtained were (474.7 ± 1.2) K and (620.5 ± 1.2) K, respectively, for the first and second TL peaks. …”
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48311
Classical mechanics in noncommutative spaces: confinement and more
Published 2024-10-01“…In this approximation, the noncommutativity of space coordinates is described by a Poisson bracket. For linear Poisson brackets, the corresponding phase space is given by the cotangent bundle of a Lie group, with the Lie group playing the role of a curved momentum space. …”
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48312
Current-sensorless robust sliding mode control for the DC-DC boost converter
Published 2025-01-01“…An extended state observer is developed to estimate a lumped uncertainty that comprises the uncertain load and input voltage, the converter parasitics, and the component uncertainties, and also to estimate the derivative of the output voltage. A linear sliding surface is used to derive the controller that is simple in its design and yet exhibits excellent features in terms of robustness to external disturbances, parameter uncertainties, and parasitics, despite the absence of the inductor current feedback. …”
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48313
Predicting Dyspnea Inducers by Molecular Topology
Published 2013-01-01“…This approach is applied here for the development of a mathematical model capable to recognize drugs showing dyspnea as a side effect. Using linear discriminant analysis, it was found a four-variable regression equations enabling a predictive rate of about 81% and 73% in the training and test sets of compounds, respectively. …”
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48314
Model Updating and Global Eigenvalue Analysis of a Tie-Bolt Rotor Using Zero-Length Contact Elements under Different Preloads
Published 2021-01-01“…Tie-bolt rotors are composed of several disks fastened by tie bolts where contact properties have a great influence on the modal behavior. In this work, a linear spring-damper element is used to consider the contact stiffness and damping in a tie-bolt rotor. …”
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48315
A system dynamics analysis of agricultural practices and food security in Nigeria
Published 2025-08-01“…This study investigates the impacts of traditional agriculture (TA), sustainable agriculture (SA), and industrial agriculture (IA) on food security in Nigeria from 2000 to 2022, using a system dynamics modelling approach supported by optimization and linear programming techniques. The model also accounts for climate change and land resource dynamics, integrating data from Nigeria and nine comparable countries to enhance robustness. …”
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48316
Analysis of Water Hammer with Different Closing Valve Laws on Transient Flow of Hydrogen-Natural Gas Mixture
Published 2015-01-01“…Four types of laws applicable to closing valve, namely, instantaneous, linear, concave, and convex laws, are considered. …”
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48317
Malignant Transformation in a Genitocrural Porokeratosis : A Case Report
Published 2024-04-01“…Common variants include porokeratosis of Mibelli (PM), disseminated superficial actinic porokeratosis (DSAP), linear porokeratosis, punctate porokeratosis and porokeratosis palmaris et plantaris disseminata (PPPD). …”
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48318
On the scalar sector of 2HDM: ring of basis invariants, syzygies, and six-loop renormalization-group equations
Published 2025-06-01“…We do not compute a single Feynman diagram but rely heavily on the general RGE results for scalar theories. We use linear algebra together with techniques from Invariant Theory. …”
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48319
Age and Growth of the Silver Scabbardfish, <i>Lepidopus caudatus</i> (Euphrasen, 1788), in the Eastern Adriatic
Published 2025-04-01“…Otolith length, width, thickness and mass were linear with fish TL and age. The most accurate age estimate for the analysed population was derived from the otolith length. …”
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48320
The investigation of nonlinear vibration on metaconcrete single aggregate system and aggregate optimal design
Published 2025-02-01“…Abstract The 3D vibration model of metaconcrete single aggregate is established under the linear elastic deformation. The soft coating and mortar are replaced by equivalent spring. …”
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