Results 91 to 100 of about 343,728 (300)
Intraday Functional PCA Forecasting of Cryptocurrency Returns
Journal of Forecasting, EarlyView.ABSTRACT We study the functional PCA (FPCA) forecasting method in application to functions of intraday returns on Bitcoin. We show that improved interval forecasts of future return functions are obtained when the conditional heteroscedasticity of return functions is taken into account.
Joann Jasiak, Cheng Zhong
wiley +1 more source
Modelling uncertainty for flash floods in coastal plains using adjoint methods [PDF]
, 2007 This paper shows the application of adjoint sensitivity analysis to flash flood wave propagation in a river channel. The adjoint sensitivity analysis is used to assess flood hazard in a coastal area caused by river discharge.
Copeland, Graham J.M., Elhanafy, Hossam
core
Inverse Design of Mirror‐Symmetric Disordered Systems for Broadband Perfect Transmission
Laser &Photonics Reviews, EarlyView.This work introduces an inverse design approach to achieve broadband perfect wave transmission in mirror‐symmetric disordered media. Leveraging symmetry simplifies optimization and enables control of multiple reflectionless states. Experiments in microwave waveguides confirm the design of exceptional points, bandpass filters, and broadband quasi ...
Zhazira Zhumabay +4 more
wiley +1 more source
Double-difference adjoint seismic tomography [PDF]
, 2016 We introduce a `double-difference' method for the inversion for seismic wavespeed structure based on adjoint tomography. Differences between seismic observations and model predictions at individual stations may arise from factors other than structural ...
Yanhua O. Yuan, F. Simons, J. Tromp
semanticscholar +1 more source
Efficient First‐Principles Inverse Design of Nanolasers
Laser &Photonics Reviews, EarlyView.This article introduces a first‐principles inverse‐design framework for nanolasers that directly incorporates nonlinear lasing physics. By unifying steady‐state ab‐initio laser theory (SALT) with topology optimization, it reveals how spatial hole burning, gain saturation, and cavity‐emitter coupling shape laser performance, enabling efficient discovery
Beñat Martinez de Aguirre Jokisch +5 more
wiley +1 more source
Criteria of mutual adjointness of proper extensions of linear relations [PDF]
Математичні Студії, 2013 In the paper the role of {an} initial object is played by a~couple$(L,L_0)$ of closed linear relations in a~Hilbert space $H$,such that $L_0 subset L$. Each closed linear relation $L_1(M_1)$such that $L_0 subset L_1 subset L$ (respectively $L^{ast}subset
O. G. Storozh, Yu. I. Oliyar
doaj
Criminologie, 2016 L’objectif du présent article est de revenir sur les conditions d’émergence du problème de l’argent sale dont la prise en charge a contribué à déstabiliser de façon inédite le principe du secret bancaire.
Anthony Amicelle
doaj +1 more source
Efficient Adjoint Computation for Wavelet and Convolution Operators
, 2016 First-order optimization algorithms, often preferred for large problems, require the gradient of the differentiable terms in the objective function. These gradients often involve linear operators and their adjoints, which must be applied rapidly.
Becker, Stephen, Folberth, James
core +1 more source
Mathematical Methods in the Applied Sciences, EarlyView.ABSTRACT In the present investigation, a mathematical model with vaccination, treatment, and environmental impact under real data is presented. Initially, we present the model without any interventions, followed by an examination of its equilibrium points.
Bashir Al‐Hdaibat +4 more
wiley +1 more source
Immigration et criminalisation au Canada : état des lieux
Criminologie, 2019 Les intersections entre immigration et criminalisation sont nombreuses. Au Canada, près de 20 ans après l’entrée en vigueur de la Loi sur l’immigration et la protection des réfugiés (LIPR) et à la suite de plusieurs arrêts importants de la Cour suprême ...
David Moffette
doaj +1 more source