Results 41 to 50 of about 1,420,320 (180)

Primary amine-functionalized mesoporous phenolic resin as an effective and stable solid base catalyst for Knoevenagel reactions in water

open access: yesGreen Synthesis and Catalysis, 2020
A primary amine functionalized ordered mesoporous phenolic resin (NH2-MPR) was obtained by an evaporation-induced self-assembly method. The as-prepared NH2-MPR material possessed large surface area and ordered two-dimensional hexagonal mesoporous ...
Kaixuan Wang   +5 more
doaj   +1 more source

Order Ideals on Lexicographic Direct Sum of Three Totally Ordered Abelian Groups

open access: yesCauchy: Jurnal Matematika Murni dan Aplikasi
Order ideals play an important role in the study of abstract algebra, especially in the study of ordered groups. In this paper, we focus on the study of order ideals in lexicographic direct sums of totally ordered Abelian groups.
Dian Latifah   +3 more
doaj   +1 more source

Boson Peak and Superstructural Groups in Na2O-B2O3 Glasses

open access: yesAdvances in Condensed Matter Physics, 2018
Low-frequency Raman spectra of the sodium borate glasses with Na2O content ranging from 0 to 30 mol% were measured and analyzed from the point of view of their structure in the intermediate range order.
Armenak A. Osipov, Leyla M. Osipova
doaj   +1 more source

Intrinsic group behaviour II: On the dependence of triad spatial dynamics on social and personal features; and on the effect of social interaction on small group dynamics.

open access: yesPLoS ONE, 2019
In a follow-up to our work on the dependence of walking dyad dynamics on intrinsic properties of the group, we now analyse how these properties affect groups of three people (triads), taking also in consideration the effect of social interaction on the ...
Francesco Zanlungo   +2 more
doaj   +1 more source

(In)dependence of the axioms of Λ-trees

open access: yesAnalysis and Geometry in Metric Spaces
A Λ\Lambda -tree is a Λ\Lambda -metric space satisfying three axioms (1), (2), and (3). We give a characterization of those ordered abelian groups Λ\Lambda for which axioms (1) and (2) imply axiom (3).
Appenzeller Raphael
doaj   +1 more source

Increasing availability of lower energy meals vs. energy labelling in virtual full-service restaurants: two randomized controlled trials in participants of higher and lower socioeconomic position

open access: yesBMC Public Health, 2021
Background There are a range of interventions designed to promote healthier food choices in full-service restaurants. However, it is unclear how these interventions affect dietary choices in people of lower and higher socioeconomic position (SEP ...
Lucile Marty   +3 more
doaj   +1 more source

Conjugacy in lattice-ordered groups and right ordered groups [PDF]

open access: yesJournal of Group Theory, 2008
The present paper deals with conjugacy in lattice-ordered groups and right ordered groups. Its main result (Theorem A) states that every lattice-ordered group can be embedded in a lattice-ordered group in which there are precisely four conjugacy classes. This implies that if \(G_j\) are right orderable groups with non-trivial cyclic subgroups \(C_j\) (\
Bludov, V. V., Glass, A. M. W.
openaire   +2 more sources

On Ordered Polycyclic Groups [PDF]

open access: yesProceedings of the American Mathematical Society, 1971
It has been asserted that any (full) order on a torsion-free, finitely generated, nilpotent group is defined by some F F -basis of G G and that the group of o o -automorphisms of such a group is itself a group of the same kind.
openaire   +1 more source

Information can explain the dynamics of group order in animal collective behaviour

open access: yesNature Communications, 2020
In animal groups, the degree of alignment of individuals could have different benefits and costs for individuals depending on their reliance on private or social information.
Hannah E. A. MacGregor   +2 more
doaj   +1 more source

Hippocampal neurons wait their turn

open access: yeseLife, 2014
Imaging large groups of neurons as mice learn to respond to an event after a time delay shows that the brain encodes the passage of time using ordered sequences of neural activity.
Yuan Gao, Ian Davison
doaj   +1 more source

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