We discuss the criteria that must be satisfied by a well-posed variational principle. We clarify the role of Gibbons-Hawking-York type boundary terms in the actions of higher derivative models of ...

Microelectromechanical systems (MEMS) are pivotal in diverse fields such as telecommunications, healthcare, and aerospace. A critical challenge in MEMS devices is accurately determining the pull-in ...

Complex systems fascinate because of the way dynamic microscopic interactions give rise to striking, often unexpected macroscopic structures: convection cells in fluids, patterns in ecosystems, ...

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We introduce a self-guided, interactive JupyterLab to familiarize undergraduate students with introductory quantum mechanics concepts. In the lab, the linear variational method is applied to a ...

School of Materials Science and Engineering, Hainan University, Haikou 570228, China Key Laboratory of Pico Electron Microscopy of Hainan Province, Hainan University, Haikou 570228, China ...

Ms. Garza was the editorials editor of The Los Angeles Times. She resigned in 2024. It’s not easy giving up a good gig. I would know: In October I resigned from my job as the editorials editor of The ...

Abstract: In this paper, we present a novel constrained variational principle for simultaneous smoothing and estimation of the diffusion tensor field from complex valued diffusion-weighted images (DWI ...

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