Results 31 to 40 of about 1,294 (187)
Lower semicontinuity of integral functionals [PDF]
Transactions of the American Mathematical Society, 1974 It is shown that the integral functional I ( y , z )
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Copula‐based joint modelling of emergency department visits with time‐varying dependence
Canadian Journal of Statistics, EarlyView.Abstract Jointly modelling multiple correlated count time series is essential in health services research, where outcomes like emergency visits for mental health and substance use often evolve together. Ignoring these dependencies can obscure meaningful trends and limit the effectiveness of policy evaluation.
Guanjie Lyu, Cindy Feng, Lihui Liu
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Amenability Constants for Unconditional Sums of Banach Algebras
Mathematische Nachrichten, EarlyView.ABSTRACT We study Johnson amenability for unconditional direct sums of Banach algebras. Given a family (Ai)i∈I$(A_i)_{i\in I}$ of Banach algebras and a Banach sequence lattice E$E$ on I$I$, the E$E$‐sum ⨁i∈IAiE${\bigl (\bigoplus _{i\in I} A_i\bigr)}_{\!E}$ carries a natural Banach algebra structure via coordinatewise multiplication.
Tomasz Kania, Jerzy Ka̧kol
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Packaging Technology and Science, EarlyView.This graphical abstract summarizes the main strategies for incorporating natural antimicrobial agents into thermoplastic food packaging polymers, including melt processing, surface deposition, controlled release and chemical immobilization. It highlights the major classes of natural antimicrobials, key advantages such as microbial growth reduction and ...
Florence Akinmeye +4 more
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Exact Robust Filtering and Differentiation Based on Sliding Modes and Homogeneity
International Journal of Robust and Nonlinear Control, EarlyView.ABSTRACT This article addresses the problem of online estimation of the derivatives of a signal corrupted by measurement noise. The measured signal is modeled as the sum of a smooth nominal component and a uniformly bounded noise term. A key objective is to attenuate the effect of high‐frequency noise.
Jaime A. Moreno, Arie Levant
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Common Fixed Point of Multivalued Generalized φ-Weak Contractive Mappings
Fixed Point Theory and Applications, 2010 Fixed point and coincidence results are presented for multivalued generalized φ-weak contractive mappings on complete metric spaces, where φ:[0,+∞)→[0,+∞) is a lower semicontinuous function with φ(0)=0 and ...
Behzad Djafari Rouhani, Sirous Moradi
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High‐Order Sliding‐Mode control for MIMO Systems
International Journal of Robust and Nonlinear Control, EarlyView.ABSTRACT This paper extends Lyapunov‐based homogeneous high‐order sliding‐mode control to a class of uncertain non‐square multi‐input multi‐output (MIMO) nonlinear systems with a well‐defined vector relative degree. The considered systems admit a normal‐form representation with an uncertain but full‐row‐rank input‐gain matrix.
Jaime A. Moreno, Angel Mercado‐Uribe
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Viable solutions for second order nonconvex functional differential inclusions
Electronic Journal of Differential Equations, 2005 We prove the existence of viable solutions for an autonomous second-order functional differential inclusions in the case when the multifunction that define the inclusion is upper semicontinuous compact valued and contained in the subdifferential of a ...
Vasile Lupulescu
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On the Differences of Lower Semicontinuous Functions
Real Analysis Exchange, 2016 Answering one of the real function problems suggested by A. Maliszewski, the existence of a bounded Darboux function of the Sierpinski first class which cannot be expressed as a difference of two bounded lower semicontinuous functions is proved. As the reply to the other Maliszewski question, we show there exists an almost everywhere continuous Darboux
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Allergy, EarlyView.Young children (0–9 years) and residents of urban areas appeared particularly vulnerable to respiratory allergy development and exacerbation. Incidence showed nonlinear associations with PM10, PM2.5, temperature, and alder/birch pollen, while DPMR showed similar patterns, except for NO2 and the interaction O3*NO2.
Trang Dao‐Siebel +6 more
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