Results 151 to 160 of about 921,412 (275)

Harnack inequality and no-arbitrage bounds for self-financing portfolios [PDF]

open access: yes
We give a direct proof of the Harnack inequality for a class of Kolmogorov operators associated with a linear SDE and we find the explicit expression of the optimal Harnack constant.
Polidoro, Sergio   +2 more
core  

Modeling and parameter estimation for fractional large‐scale interconnected Hammerstein systems

open access: yesAsian Journal of Control, EarlyView.
Abstract This paper addresses the challenge of modeling and identifying large‐scale interconnected systems exhibiting memory effects, hereditary properties, and non‐local interactions. We propose a fractional‐order extension of the Hammerstein architecture that incorporates Grünwald–Letnikov operators to capture complex dynamics through multiple ...
Mourad Elloumi   +2 more
wiley   +1 more source

Performance improvement of discrete‐time linear‐quadratic regulators applied to uncertain linear systems using the Tikhonov regularization method

open access: yesAsian Journal of Control, EarlyView.
Abstract The linear‐quadratic regulator (LQR) problem of optimal control of an uncertain discrete‐time linear system (DTLS) is revisited in this paper from the perspective of Tikhonov regularization. We show that an optimally chosen regularization parameter reduces, compared to the classical LQR, the values of a scalar error function, as well as the ...
Fernando Pazos, Amit Bhaya
wiley   +1 more source

Synchronization‐Performance‐Oriented Frequency‐Domain Iterative Learning Control for Wafer and Reticle Stages

open access: yesAsian Journal of Control, EarlyView.
ABSTRACT The synchronization accuracy between the wafer stage and reticle stage in lithography is critical to overlay and critical dimension uniformity. Existing iterative learning control (ILC) methods indirectly optimize synchronization via time‐domain errors, failing to balance low‐frequency tracking accuracy and high‐frequency noise suppression ...
Xin Zhou   +4 more
wiley   +1 more source

Measuring Income Inequality Using a Graduated Poll Tax: Spain, 1874&-1943 [PDF]

open access: yes
Measuring income inequality in Spain from the long nineteenth century up to the emergence of modern household budgets is a daunting task, often requiring almost heroic assumptions given the scarcity and partial nature of the available sources.
Artola Blanco, Miguel   +1 more
core  

Through Parents' Eyes: Perspectives on Child Development and Family Experience During ESDM Intervention

open access: yesAutism Research, EarlyView.
ABSTRACT Early intensive intervention for autistic children aims to support developmental progress in social and communication domains. Although outcomes are typically assessed using standardized measures of child development, parental perspectives during early intervention remain largely understudied.
Kenza Latrèche   +9 more
wiley   +1 more source

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