Results 141 to 150 of about 214,355 (374)

Development and Transformation of the Indian Nuclear Doctrine

open access: bronze, 2021
Ashfaq Ahmed   +2 more
openalex   +2 more sources

Analysis of density matrix embedding theory around the non‐interacting limit

open access: yesCommunications on Pure and Applied Mathematics, EarlyView.
Abstract This article provides the first mathematical analysis of the Density Matrix Embedding Theory (DMET) method. We prove that, under certain assumptions, (i) the exact ground‐state density matrix is a fixed‐point of the DMET map for non‐interacting systems, (ii) there exists a unique physical solution in the weakly‐interacting regime, and (iii ...
Eric Cancès   +4 more
wiley   +1 more source

Why Woodward and Hoffmann? And Why 1965?**

open access: yesThe Chemical Record, Volume 23, Issue 1, January 2023., 2023
R. B. Woodward and Roald Hoffmann provided perfect intellectual and experiential synergy for their collaboration on orbital symmetry control of pericyclic reactions. This publication describes their idiosyncratic qualities and how perfectly they matched, at the right place and at the right time.
Jeffrey I. Seeman
wiley   +1 more source

Trident: What is it For? Challenging the Relevance of British Nuclear Weapons [PDF]

open access: yes, 2008
YesThis briefing paper is the second in a series to be published during 2007 and 2008 as part of the Bradford Disarmament Research Centre¿s programme on Nuclear-Armed Britain: A Critical Examination of Trident Modernisation, Implications and ...
Ritchie, Nick
core  

Exploring Economic Conflict Through the Gravitational Field Model of Trade: Markets, Wars, and Instability

open access: yesConflict Resolution Quarterly, EarlyView.
ABSTRACT Building on Walter Isard's location and gravity theories in economics, we extend his trade model to better understand its core principles, including commercial attraction, center of gravity in markets, and favorable location for exporting firms.
Luigi Capoani   +2 more
wiley   +1 more source

Embracing equity and excellence while constructing science teacher identities in urban schools: Voices of new Teachers of Color

open access: yesJournal of Research in Science Teaching, Volume 60, Issue 1, Page 196-233, January 2023., 2023
Abstract We explored how new Teachers of Color grappled with equity and excellence as they were constructing science teacher identities while learning to teach in a teacher education program committed to equity, justice, and excellence, and eventually teaching in urban schools where inequities and injustices persist.
Maria Varelas   +3 more
wiley   +1 more source

Towards justice‐oriented climate change and sustainability education: Perspectives from school teachers in England

open access: yesThe Curriculum Journal, EarlyView.
Abstract Education, including school education, is widely understood as fundamental to a just response to global climate and ecological crises. We examined the practices of teachers based in England focused on climate change and sustainability education (CCSE).
Elizabeth A. C. Rushton   +2 more
wiley   +1 more source

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