Results 21 to 30 of about 343,728 (300)

Assessing the tangent linear behaviour of common tracer transport schemes and their use in a linearised atmospheric general circulation model [PDF]

open access: yesTellus: Series A, Dynamic Meteorology and Oceanography, 2015
The linearity of a selection of common advection schemes is tested and examined with a view to their use in the tangent linear and adjoint versions of an atmospheric general circulation model.
Daniel Holdaway, James Kent
doaj   +1 more source

Adjoint functors induced by adjoint linear transformations [PDF]

open access: yesProceedings of the American Mathematical Society, 1974
Adjoint linear transformations between Hilbert spaces or, more generally, between dual systems of topological vector spaces induce contravariant functors which are adjoint on the right—essentially a Galois connection between the posets of subsets (or subspaces) of the spaces. Modulo scalars the passage from linear maps to functors is one-to-one; indeed,
openaire   +1 more source

dolfin-adjoint 2018.1: automated adjoints for FEniCS and Firedrake

open access: yesJournal of Open Source Software, 2019
Adjoint models play an important role in scientific computing. They enable for instance sensitivity and stability analysis, goal-oriented mesh adaptivity and optimisation.
Sebastian K. Mitusch   +2 more
semanticscholar   +1 more source

Les acteurs privés de la sécurité transnationale et leurs victimes : quels recours possibles ?

open access: yesCriminologie, 2014
Le présent article s’intéresse aux réactions formelles relatives aux déviances commises par les acteurs de la sécurité privée transnationale sur le théâtre d’opérations militaires.
Massimiliano Mulone, Samuel Tanner
doaj   +1 more source

Delaying the Stall of A Low-Wing Aircraft Using A Novel Powerful Vortex Generator

open access: yesInventions, 2022
In this study, a new aerodynamic surface concept is introduced, which is a powerful vortex generator (PVG). It can delay the stall point in a low-wing aircraft. This delay leads to a significant increase in the CLmax of an aircraft.
Mostafa Goharshadi, Masoud Mirzaei
doaj   +1 more source

Development of the adjoint of GEOS-Chem [PDF]

open access: yes, 2006
We present the adjoint of the global chemical transport model GEOS-Chem, focusing on the chemical and thermodynamic relationships between sulfate – ammonium – nitrate aerosols and their gas-phase precursors.
Henze, D. K., Seinfeld, J. H.
core   +2 more sources

Les morphologies de la sécurité après le 11 septembre : hiérarchies, marché et réseaux

open access: yesCriminologie, 2005
RésuméLes attentats du 11 septembre ont mis en lumière la capacité d’action et de destruction des réseaux terroristes et l’impuissance des institutions étatiques traditionnelles verticales face à cette nouvelle forme de menace.
Benoît Dupont
doaj   +1 more source

Sources of PM2.5‐Associated Health Risks in Europe and Corresponding Emission‐Induced Changes During 2005–2015

open access: yesGeoHealth, 2023
We present a newly developed approach to characterize the sources of fine particulate matter (PM2.5)‐related premature deaths in Europe using the chemical transport model GEOS‐Chem and its adjoint.
Yixuan Gu   +4 more
doaj   +1 more source

Useful relations among the generators in the defining and adjoint representations of SU(N) [PDF]

open access: yes, 2019
There are numerous relations among the generators in the defining and adjoint representations of SU(N). These include Casimir operators, formulae for traces of products of generators, etc. Due to the existence of the completely symmetric tensor $d_{abc}$
H. Haber
semanticscholar   +1 more source

Frobenius reciprocity and the Haagerup tensor product [PDF]

open access: yes, 2017
In the context of operator-space modules over C*-algebras, we give a complete characterisation of those C*-correspondences whose associated Haagerup tensor product functors admit left adjoints.
Crisp, Tyrone
core   +3 more sources

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