Results 161 to 170 of about 2,013,353 (284)

The global inverse fractional conductivity problem. [PDF]

Calc Var Partial Differ Equ
Covi G, Railo J, Zimmermann P.
europepmc   +1 more source

Investigation of Systematic Discrepancies Between MCC and TGA Measurements Affecting the Determination of Heat of Combustion

Fire and Materials, EarlyView.
ABSTRACT The determination of step‐resolved effective heats of combustion is essential for detailed pyrolysis modelling in fire growth and flame spread predictions, especially in multi‐step processes where the heat of combustion can differ between reaction steps.
Felix Armbrust, Jochen Zehfuß, Olaf Riese   +2 more
wiley   +1 more source

Flexible yet Sparse Bayesian Survival Models With Time-Varying Coefficients and Unobserved Heterogeneity. [PDF]

Stat Med
Knaus P, Winkler D, Schoppmann SF, Jomrich G.   +3 more
europepmc   +1 more source

Immersed Boundary Projection Method for Boundaries With Slip Velocities

International Journal for Numerical Methods in Fluids, EarlyView.
A formulation of the immersed boundary method for incompressible flow over arbitrarily‐shaped bodies with surface slip described by the Navier boundary condition is presented. The wall slip velocity and the boundary force are determined implicitly through a projection to satisfy both the boundary condition and the divergence‐free condition of the ...
Takehiro Fujii, Takeshi Omori
wiley   +1 more source

Statistical limits and conditional complexity in real-world reinforcement learning: a tutorial survey. [PDF]

Front Artif Intell
Ahmad A, Vallès Y, Idaghdour Y.
europepmc   +1 more source

Kneser oscillation theorem for differential equations with piecewise constant arguments

, 2020
The following functional differential equation with deviated argument is considered: (1) \(u''(t)+b(t,[t],u([t]),\;u'([t]))u'(t)+a(t,[t],u([t]),\;u'([t]))u(t)=0\), where \([t]\) stands for the entire part of \(t\) and the functions \(a,b:[0,\infty)\times N\times R^ 2\to R\), \((t,n,x,y)\mapsto R\) are supposed to be continuous in \(t\in[0,\infty)\) for
openaire   +3 more sources

Forecasting Duration in High‐Frequency Financial Data Using a Self‐Exciting Flexible Residual Point Process

Journal of Forecasting, EarlyView.
ABSTRACT This paper presents a method for forecasting limit order book durations using a self‐exciting flexible residual point process. High‐frequency events in modern exchanges exhibit heavy‐tailed interarrival times, posing a significant challenge for accurate prediction.
Kyungsub Lee
wiley   +1 more source

Sharp Lyapunov inequalities and the emergence of chaos in discrete fractional systems. [PDF]

Sci Rep
Arab M, Mohammed PO, Baleanu D, Hamasalh FK.   +3 more
europepmc   +1 more source

Beyond Prediction: Data, Baselines, Explanation, and Causation in Machine Learning for Food Insecurity

Food Safety and Health, EarlyView.
The gains from machine learning in nowcasting and forecasting food insecurity are still small and limited and cannot be observed in all countries. This review summarizes the public resources for data, corrects common misconceptions about model requirements, and establishes baseline requirements, explanations, causal inference, and equity in operational
Shabnam Mehboob, Azman Abdullah, Gunesh Kumar, Samreen Memon, Naila Afghan   +4 more
wiley   +1 more source

Stability of Inverse Problems for Steady Supersonic Flows Past Lipschitz Perturbed Cones. [PDF]

Arch Ration Mech Anal
Chen GG, Pu Y, Zhang Y.
europepmc   +1 more source