Results 21 to 30 of about 75,441,336 (215)

Shape Derivatives of the Eigenvalues of the de Rham Complex for Lipschitz Deformations and Variable Coefficients: Part II

Mathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT In this second part of our series of papers, we develop an abstract framework suitable for de Rham complexes that depend on a parameter belonging to an arbitrary Banach space. Our primary focus is on spectral perturbation problems and the differentiability of eigenvalues with respect to perturbations of the involved parameters. As a byproduct,
Pier Domenico Lamberti, Dirk Pauly, Michele Zaccaron   +2 more
wiley   +1 more source

An efficient camouflaged image segmentation with modified UNet and attention techniques

Scientific Reports
Camouflaged object segmentation (COS) is a challenging task in computer vision where the objective is to recognize and precisely separate objects that blend in with their environment. Traditional models, including the standard UNet architecture, struggle
Isha Padhy, Prabhat Dansena, Sampa Sahoo, Rahul Priyadarshi   +3 more
doaj   +1 more source

EFFECT OF TEMPERATURE ON ROOTS AND SHOOTS FORMATION IN THREE VANILLA SPECIES (ORCHIDACEAE) UNDER CONTROLLED CONDITIONS

Tropical and Subtropical Agroecosystems, 2023
Background. Vanilla planifolia is a species of commercial and cultural importance. However, its growth and development could be affected by the increase in temperature caused by climate change. In contrast, V. pompona and V.
José Martín Barreda-Castillo, Rebeca Alicia Menchaca-García, Miguel Angel Lozano-Rodríguez   +2 more
doaj   +1 more source

Fronting in Old Catalan: Asymmetries between Narration and Reported Speech1

Transactions of the Philological Society, Volume 123, Issue 1, Page 1-28, March 2025.
Abstract This article explores the distribution, syntax, and information structure of XVS clauses in the narrative text and the reported speech of a thirteenth‐century Old Catalan chronicle, the Llibre dels Fets. It is shown that XVS occurs mainly within reported speech and in embedded clauses.
Afra Pujol i Campeny
wiley   +1 more source

Multiple linear regression based illumination normalization for non-uniform light image thresholding

e-Prime: Advances in Electrical Engineering, Electronics and Energy
Thresholding-based two-class image binarization is one of the simplest and most popular approaches. However, the performance of global thresholding degrades under non-uniform lighting conditions.
Tapaswini Pattnaik, Priyadarshi Kanungo, Tejaswini Kar, Prabodh Kumar Sahoo   +3 more
doaj   +1 more source

Parameter Hierarchies and Language Contact: The Present Perfect in Ecuadorian Spanish1

Transactions of the Philological Society, EarlyView.
Abstract This article explores the hypothesis that the ‘fine‐grained’ grammatical differences that adult grammars under contact are said to be sensitive to (e.g., Hicks et al. 2023) amount to micro/nanoparametric distinctions, in the sense of Roberts (2019).
Norma Schifano
wiley   +1 more source

On 2-rainbow domination number of functigraph and its complement [PDF]

Opuscula Mathematica, 2020
Let \(G\) be a graph and \(f:V (G)\rightarrow P(\{1,2\})\) be a function where for every vertex \(v\in V(G)\), with \(f(v)=\emptyset\) we have \(\bigcup_{u\in N_{G}(v)} f(u)=\{1,2\}\).
Athena Shaminezhad, Ebrahim Vatandoost
doaj   +1 more source

Is Pollution Reduced or Redistributed? The Impact of Electric Vehicle Subsidies in China

Journal of Economics &Management Strategy, Volume 35, Issue 1, Page 59-98, Spring 2026.
ABSTRACT This paper examines the geographically heterogeneous environmental effects of electric vehicle (EV) subsidies in China and compares EV subsidies with alternative policies that price environmental externalities. The study employs a structural model that features demand and supply to analyze the environmental effects of EV subsidies through ...
Lisha Meng, Junji Xiao, Mengxin Liu
wiley   +1 more source

Battery Architecture Without Cathode Based on Deposition and Dissolution Chemistry of Aluminum and Manganese Ions

ENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 1, January 2026.
Based on the ion dissolution and deposition behavior of Mn2+/MnO2 and Al3+/Al, a novel cathode‐free aqueous ion dissolution/deposition battery is designed. As the carrier of charge storage, the electrode determines the efficiency of the energy conversion reaction between the battery and the substance.
Lixin Zhao, Hengrui Zhang, Shu Zhang, Xinyuan Pei, Yue Wang, Shunri Zheng, Zhaoliang Yu, Xianyu Chu, Haibo Li, Jiaming Li, Shichong Xu, Zhaofeng Zhai, Nan Huang, Kar Ban Tan, Kanglei Pang, Xiaotian Yang, Bo Liu, Wenjuan Han, Ming Lu   +18 more
wiley   +1 more source

Modeling termination kinetics of non-stationary free-radical polymerizations

, 2001
Pulsed-laser induced polymerization is modeled via an approach presented in a previous paper. An equation for the time dependence of free-radical concentration is derived.
Buback, M., Kaminsky, V., Egorov, M., Barner-Kowollik, C.   +3 more
core   +1 more source