Results 21 to 30 of about 5,334,117 (280)

Superintegrability of rational Ruijsenaars-Schneider systems and their action-angle duals [PDF]

open access: yes, 2012
We explain that the action-angle duality between the rational Ruijsenaars-Schneider and hyperbolic Sutherland systems implies immediately the maximal superintegrability of these many-body systems. We also present a new direct proof of the Darboux form of
Ayadi, V., Feher, L., Gorbe, T. F.
core   +2 more sources

An Enactive-Ecological Approach to Information and Uncertainty [PDF]

open access: yes, 2020
Information is a central notion for cognitive sciences and neurosciences, but there is no agreement on what it means for a cognitive system to acquire information about its surroundings.
Carvalho, Eros Moreira de   +1 more
core   +2 more sources

Underrepresented developing States, marginalized communities, big business and procedural injustice – how equal were the UN INC-5.2 Global Plastic Treaty negotiations?

open access: yesCambridge Prisms: Plastics
Negotiations by more than 180 States during the Intergovernmental Negotiating Committee (INC) session 5.2 to develop a legally binding instrument with the purpose to end plastic pollution have, once again, concluded without a treaty.
Tim Kiessling   +3 more
doaj   +1 more source

Supporting the Upscaling of Citizen Science to Address Global Challenges

open access: yesCitizen Science: Theory and Practice
In May 2024, a workshop was held as part of the European Citizen Science Association (ECSA) 2024 conference in Vienna to explore the creation of transnational communities to upscale citizen science, to address global issues as outlined by the European ...
James Christopher Sprinks   +12 more
doaj   +1 more source

Complete Low-Energy Effective action in N=4 SYM: a Direct N=2 Supergraph Calculation [PDF]

open access: yes, 2002
Using the covariant N=2 harmonic supergraph techniques we calculate the one-loop low-energy effective action of N=4 super-Yang-Mills theory in Coulomb branch with gauge group SU(2) spontaneously broken down to U(1).
A.Yu. Petrov   +38 more
core   +4 more sources

Focusing on body sites: the role of spatial attention in action perception. [PDF]

open access: yes, 2007
Humans use the same representations to code self-produced and observed actions. Neurophysiological evidence for this view comes from the discovery of the so-called mirror neurons in premotor cortex of the macaque monkey.
Bach, P, Peatfield, NA, Tipper, SP
core   +2 more sources

Z(2) vortices and the string tension in SU(2) gauge theory [PDF]

open access: yes, 1997
We exhibit the appropriate variables allowing the plus-minus (Z(2)) `reduction' of the Wilson loop operator which provides a direct measure of the thin, thick and `mixed' Z(2) topological, gauge-invariant vortices in SU(2) LGT.
DeGrand   +6 more
core   +3 more sources

Cape of storms: Surveying and rethinking popular resistance in the eighteenth-century Cape colony

open access: yesContree, 2015
In this article I provide a broad overview of resistance at the Cape under the Dutch East India Company (VOC) undertaken by the multiracial and multiethnic popular classes (low-ranking Company servants including soldiers and sailors, slaves and ...
Nicole Ulrich
doaj   +1 more source

Direct and indirect action modes of acetylcholine in cholinergic urticaria

open access: yesAllergology International, 2021
Cholinergic urticaria (CholU) manifests small, itchy and/or painful wheals occurring upon perspiration and mechanically involving acetylcholine (Ach).
Yoshiki Tokura
doaj   +1 more source

Examining the role of insulin in the regulation of cardiovascular health [PDF]

open access: yes, 2013
A substantial body of evidence has reported that insulin has direct actions on the cardiovascular system independent of its systemic effects on plasma glucose or lipids.
Salt, Ian P.
core   +1 more source

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