Results 41 to 50 of about 1,079 (166)

High‐Resolution Mapping of Discharge Product in Li─O2 Batteries

open access: yesSmall Methods, EarlyView.
Li─O2 batteries promise exceptional energy density, but have several factors limiting performance, such as poor rate performance. To understand rate limitations, scanning electron microscopy with energy dispersive X‐ray spectroscopy and X‐ray nano‐computed tomography were employed to map the distribution of discharge products in discharged air ...
Laurence F. Brazel   +6 more
wiley   +1 more source

Classical Mechanics and Symplectic Integration [PDF]

open access: yes, 2005
Content: Classical mechanics: Calculus of variations, Lagrange’s equations, Symmetries and Noether’s theorem, Hamilton’s equations, cannonical transformations, integrable systems, pertubation theory.
Hjorth, Poul G., Nordkvist, Nikolaj
core  

On the integrability of symplectic Monge–Ampère equations

open access: yesJournal of Geometry and Physics, 2010
20 pages; added more details of ...
B.Doubrov, E.Ferapontov
openaire   +2 more sources

A Non‐Parametric Framework for Correlation Functions on Product Metric Spaces

open access: yesInternational Statistical Review, EarlyView.
Summary We propose a non‐parametric framework for analysing data defined over products of metric spaces, a versatile class encountered in various fields. This framework accommodates non‐stationarity and seasonality and is applicable to both local and global domains, such as the Earth's surface, as well as domains evolving over linear time or time ...
Pier Giovanni Bissiri   +3 more
wiley   +1 more source

Symplectic Integration for Multivariate Dynamic Spline-Based Model of Deformable Linear Objects [PDF]

open access: yes, 2022
Deformable linear objects (DLOs) such as ropes, cables, and surgical sutures have a wide variety of uses in automotive engineering, surgery, and electromechanical industries.
Palli G., Khalifa A.
core   +1 more source

Symplectic integration for complex wigglers

open access: yes, 1992
Using the example of the helical wiggler proposed for the KEK photon factory, we show how to integrate the equation of motion through the wiggler. The integration is performed in cartesian coordinates.
Forest, E., Ohmi, K.
core   +2 more sources

Symplectic tracking through curved three-dimensional fields by a method of generating functions

open access: yesPhysical Review Accelerators and Beams
Symplectic integrators play a pivotal role in the long-term tracking of charged particles within accelerators. To obtain symplectic maps in accurate simulations of single-particle trajectories, two key components are addressed: precise analytical ...
Jie Li   +6 more
doaj   +1 more source

Solenostomus snuffleupagus sp. nov., a hairy ghost pipefish (Teleostei: Solenostomidae) from the Southwest Pacific, with an integrative comparison to S. paegnius

open access: yesJournal of Fish Biology, EarlyView.
Abstract A new species of ghost pipefish, Solenostomus snuffleupagus sp. nov., is described from the Coral Sea based on specimens (18–34 mm SL) collected from coral reef habitats in Queensland, Australia. The species is diagnosed by the following combination of characters: abundant elongate integumentary filaments imparting a conspicuously shaggy ...
Graham Short, David Harasti
wiley   +1 more source

Symplectic integration using solvable maps

open access: yes, 2000
In this paper, a symplectic integration algorithm using solvable maps is investigated. Examples are studied in two and four dimensions.
Rangarajan, Govindan   +1 more
core   +1 more source

On the Lang–Trotter conjecture for Siegel modular forms

open access: yesMathematika, Volume 72, Issue 3, July 2026.
Abstract Let f$f$ be a genus‐two cuspidal Siegel eigenform. We prove an adelic open image theorem for the compatible system of Galois representations associated with f$f$, generalizing the results of Ribet and Momose for elliptic modular forms. Using this result, we investigate the distribution of the Hecke eigenvalues ap$a_p$ of f$f$, and obtain upper
Arvind Kumar, Moni Kumari, Ariel Weiss
wiley   +1 more source

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