Results 131 to 140 of about 1,329,190 (299)

Optimal control for degenerate parabolic equations with logistic growth

, 1992
Lenhart, Suzanne M.; Yong, Jiongmin. (1992). Optimal control for degenerate parabolic equations with logistic growth.
Lenhart, Suzanne M., Yong, Jiongmin
core  

Morphological adaptations of cervical vertebrae in plunge‐diving sulids

The Anatomical Record, EarlyView.
Abstract Foraging strategy frequently drives morphological diversification in birds. The plunge‐diving behavior of certain species makes the functional and ecological trade‐offs of variation in cervical vertebrae an especially intriguing question. This study compares cervical vertebrae across five plunge‐diving species and two non‐plunge‐diving species,
Megan L. Vandenberg, Alissa Perez, John Michael Racy, Adam P. Summers, Ed Habtour, Bart Boom   +5 more
wiley   +1 more source

Principal Component‐Based Classification of Blazar Candidates of Uncertain Type in the 4FGL/LAT

Astronomische Nachrichten, EarlyView.
ABSTRACT We adopted principal component analysis (PCA), linear discriminant analysis (LDA), and support vector machines (SVM), to study classification for a sample of 2708 Fermi blazars: 1142 BL Lac objects (BLLs), 759 flat spectrum radio quasars (FSRQs), and 807 blazar candidates of uncertain type (BCUs).
Wen‐Xin Yang, Guo‐Hai Chen, Jing‐Tian Zhu, Hong‐Guang Wang, Denis Bastieri, Xu‐Hong Ye, Jing‐Chao Liang, De‐Xiang Wu, Jiang‐He Yang, Anton A. Strigachev, Rumen S. Bachev, Jun‐Jie Feng, Yi Liu, Jun‐Hui Fan   +13 more
wiley   +1 more source

An energy formula for fully nonlinear degenerate parabolic equations in one spatial dimension

, 2023
Energy (or Lyapunov) functions are used to prove stability of equilibria, or to indicate a gradient-like structure of a dynamical system. Matano constructed a Lyapunov function for quasilinear non-degenerate parabolic equations. We modify Matano's method
Lappicy, Phillipo, Beatriz, Ester
core  

Metal nanostructure‐coupled label‐free localized surface plasmon resonance biosensors for rapid and sensitive disease diagnosis

BMEMat, EarlyView.
LSPR biosensing enables rapid, sensitive, and low‐sample‐volume detection of biomarkers, with broad applications in diagnosing cancer, infectious, and chronic diseases. Advances in nanostructure design, micro/nanofabrication, and microfluidic integration have expanded the potential of LSPR sensors in biomedical diagnostics.
Zhaoxin Geng, Yunfei Sha, Jiongyan Yang, Hongru Yang, Xiao Liang   +4 more
wiley   +1 more source

Convergence analysis of domain decomposition based time integrators for degenerate parabolic equations. [PDF]

Numer Math (Heidelb), 2018
Eisenmann M, Hansen E.
europepmc   +1 more source

Homogenization of degenerate elliptic-parabolic equations

, 2003
n this paper we give a result of G-convergence for a class of strongly degenerate parabolic equations in the case of periodic coefficients. The operators have the form mu(x)partial derivative(t)-div(a(x,t).D) where the quadratic form associated to a(x,t)
PARONETTO, FABIO
core  

Journey to Net‐Zero and Investment in Renewable Energy: Evidence From Developed and Developing Countries

Business Strategy and the Environment, EarlyView.
ABSTRACT This study examines how geopolitical risk, high‐technology exports and the Paris Agreement shape investment in renewable energy across developed and developing economies. Drawing on structural contingency theory, we conceptualise renewable energy investment as a country‐level response to external contingencies and analyse a global panel of 100
Tianqi Luo, Konstantinos Baltas, Ranadeva Jayasekera, Thanos Papadopoulos, Gazi Salah Uddin, Donghyun Park   +5 more
wiley   +1 more source

Attractors for degenerate parabolic type equations

, 2013
This book deals with the long-time behavior of solutions of degenerate parabolic dissipative equations arising in the study of biological, ecological, and physical problems.
Messoud Efendiev, Efendiev, Messoud, Efendiyev, M.A.   +2 more
core   +1 more source

Analysis of Radial Heat Transfer in Cooled Fixed‐Bed Reactors by One‐ and Two‐Dimensional Models

Chemie Ingenieur Technik, EarlyView.
Exothermic fixed‐bed reactors are analyzed using 1D and 2D models. Radial temperature profiles from the 2D model enable optimization of the 1D approach via adjusted overall heat transfer coefficient. Derived correlations improve prediction accuracy, whereas thermal runaway behavior and model sensitivity are evaluated. ABSTRACT Exothermic reactions in a
Cora Bischoff, Andreas Jess
wiley   +1 more source