Results 61 to 70 of about 2,953 (244)

Cluster Lensing Mass Inversion (CLUMI+): Combining Dynamics and Weak Lensing around Galaxy Clusters

open access: yesThe Astrophysical Journal
We present clumi+ , a self-consistent, multiprobe methodology for reconstructing the mass distribution in and around galaxy clusters by combining gravitational lensing and dynamical observations. Building on the joint likelihood framework of K.
Keiichi Umetsu   +3 more
doaj   +1 more source

Data‐Driven Pathways to Circular E‐Waste Management

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT As the volume and complexity of electronic waste grow worldwide, regional and subnational systems are increasingly tasked with managing the environmental, economic, and social challenges of circular resource recovery. This paper focuses on Canada's e‐waste sector to examine how circular economy (ce) principles can be integrated into regional ...
Saidia Ali   +3 more
wiley   +1 more source

INTRINSIC GALAXY ALIGNMENTS AND WEAK GRAVITATIONAL LENSING [PDF]

open access: yesThe Shapes of Galaxies and Their Dark Halos, 2002
8 pages.
openaire   +2 more sources

Weak Lensing and Gravity Theories

open access: yes, 2005
We present the theory of weak gravitational lensing in cosmologies with generalized gravity, described in the Lagrangian by a generic function depending on the Ricci scalar and a non-minimally coupled scalar ...
Baccigalupi, C.   +2 more
core   +1 more source

Shadow revisiting and weak gravitational lensing with Chern-Simons modification

open access: yesPhysics Letters B, 2023
Dynamical Chern-Simons (dCS) gravity has been attracting plenty of attentions due to the fact that it is a parity-violating modified theory of gravity that corresponds to a well-posed effective field theory in weak coupling approximation.
Yuan Meng   +3 more
doaj   +1 more source

Whose Sustainability Counts? Board Governance, ESG Ratings, and Sustainable Development Goals: Evidence on the ESG–SDG Wedge

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Institutional investors increasingly rely on ESG ratings to evaluate financially material sustainability risks, while governments promote corporate alignment with the United Nations Sustainable Development Goals (SDGs). Because these frameworks differ substantially in capital market salience and monitoring intensity, board oversight may not ...
Mohamed Hegazy   +2 more
wiley   +1 more source

Classroom boundaries and teacher agency: Challenges of implementing Ireland's new primary curriculum

open access: yesThe Curriculum Journal, EarlyView.
Abstract This article reports on a doctoral study examining teacher agency in one Irish primary school at a timely moment ahead of the implementation of the new Primary Curriculum Framework in September 2025. The framework embeds teacher agency as a central professional principle, yet findings from this study reveal a more cautious and bounded reality.
Máiréad Nally   +2 more
wiley   +1 more source

The Bianchi identity and weak gravitational lensing

open access: yes, 2005
We consider the Bianchi identity as a field equation for the distortion of the shapes of images produced by weak gravitational lensing. Using the spin coefficient formalism of Newman and Penrose (1962 J. Math. Phys.
Kling, Thomas P., Keith, B.
core   +1 more source

Bayesian analysis of weak gravitational lensing [PDF]

open access: yes, 2017
This thesis is concerned with how to extract cosmological information from observations of weak gravitational lensing – the modification of observed galaxy images due to gravitational lensing by the large-scale structure of the Universe. Firstly, we are
Alsing, Justin
core   +1 more source

Forecasting the Detection of Lyman-alpha Forest Weak Lensing from the Dark Energy Spectroscopic Instrument and Other Future Surveys

open access: yesThe Open Journal of Astrophysics
The apparent angular positions of quasars are deflected on the sky by the gravitational field sourced by foreground matter. This weak lensing effect is measurable through the distortions it introduces in the lensed quasar spectra.
Patrick Shaw   +2 more
doaj   +1 more source

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