Results 51 to 60 of about 1,769 (302)

Accurate Spectral Collocation Solutions to 2nd-Order Sturm–Liouville Problems

open access: yes, 2021
This work is about the use of some classical spectral collocation methods as well as with the new software system Chebfun in order to compute the eigenpairs of some high order Sturm–Liouville eigenproblems.
Călin-Ioan Gheorghiu
core   +1 more source

Promoting the Mathematization of Physics: Hermann Minkowski's Draft Presentations of His 1908 “Grundgleichungen” Paper

open access: yesBerichte zur Wissenschaftsgeschichte, EarlyView.
I present and discuss two drafts of remarks prepared by the mathematician Hermann Minkowski (1864–1909). They were composed in December 1907 while preparing his paper on the “Basic Equations of Electromagnetic Processes in Moving Bodies” for publication in the Proceedings of the Göttingen Academy of Sciences.
Tilman Sauer
wiley   +1 more source

Spectral Shifted Jacobi Tau and Collocation Methods for Solving Fifth-Order Boundary Value Problems

open access: yesAbstract and Applied Analysis, 2011
We have presented an efficient spectral algorithm based on shifted Jacobi tau method of linear fifth-order two-point boundary value problems (BVPs). An approach that is implementing the shifted Jacobi tau method in combination with the shifted Jacobi ...
A. H. Bhrawy   +2 more
doaj   +1 more source

A short survey on preconditioning techniques in spectral calculations

open access: yes, 2000
Two decades ago collocation methods for high accuracy solutions of partial differential equations seemed applicable only to special classes of problems with simple geometries, regular solutions, absence of numerical round-off errors, etc.
4th International Conference on Spectral and High Order Methods (ICOSAHOM 98)   +1 more
core   +1 more source

Mitochondria‐endoplasmic reticulum organelle glue as maturation promoter for origination/dimensional dual‐cross cardiomyocytes

open access: yesBMEMat, EarlyView.
Mitochondria‐endoplasmic reticulum contact sites (MERCS) are areas where the mitochondria and endoplasmic reticulum closely interact. In this study, we utilize synthetic organelle glues to artificially engineer MERCS for regulating cardiomyocyte development, through which the immature and chemo‐plasticity issues of undifferentiated cells are addressed.
Wei Tang   +9 more
wiley   +1 more source

Accurate Spectral Collocation Computation of High Order Eigenvalues for Singular Schrödinger Equations

open access: yesComputation, 2020
We are concerned with the study of some classical spectral collocation methods, mainly Chebyshev and sinc as well as with the new software system Chebfun in computing high order eigenpairs of singular and regular Schrödinger eigenproblems.
Călin-Ioan Gheorghiu
doaj   +1 more source

Space-time spectral collocation methods for the magnetohydrodynamics equations

open access: yes, 2021
Spectral methods are used to solve partial differential equations numerically. When the solution is analytic, the rate of convergence of the numerical solution is exponential; that is, the error decays exponentially.
Wilegoda Liyanage, Chandramali Piyasundara
core  

Eco‐Renewal Urgency: Enabling Eco‐Innovation and Driving Sustainable Transformation Within Organizations

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Building on dynamic capabilities theory, this paper develops a conceptual model explaining how organizations pursue eco‐innovation. Drawing on in‐depth interviews with sustainability and innovation managers across diverse industries, the study provides rich empirical insights into the drivers of eco‐innovation.
Maria Cristina Zaccone, Matteo Pedrini
wiley   +1 more source

Preconditioned Chebyshev collocation for non-Newtonian fluid flows

open access: yes, 1994
A Chebyshev collocation method is applied to non-Newtonian fluid flows. The collocation equations are preconditioned by finite elements with a domain decomposition for curvy geometries.
International Conference on Spectral and High Order Methods ICOSAHOM '92   +2 more
core   +1 more source

When Collaboration Bridges or Breaks: A Systematic Review of Emerging Trends in Supply Chain Resilience and Sustainability

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Widespread digital adoption has challenged our understanding of how these tools reshape collaboration, trust and sustainability outcomes across different institutional and network contexts. As networks now pursue resilience and sustainable development in parallel, we map emerging research directions and identify how collaboration and ...
Ari Carisza Graha Prasetia   +1 more
wiley   +1 more source

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