Results 1 to 10 of about 2,380,854 (358)

Some local properties defining $\mathcal T_0$-groups and related classes of groups [PDF]

open access: greenPublicacions Matemàtiques, 2015
We call G a Hall_X -group if there exists a normal nilpotent subgroup N of G for which G/N' is an X -group. We call G a T_0-group provided G/Φ(G) is a T -group, that is, one in which normality is a transitive relation.
A. Ballester‐Bolinches   +3 more
core   +12 more sources

Local interactions and global properties of wild, free-ranging stickleback shoals [PDF]

open access: yesRoyal Society Open Science, 2017
Collective motion describes the global properties of moving groups of animals and the self-organized, coordinated patterns of individual behaviour that produce them. We examined the group-level patterns and local interactions between individuals in wild,
Ashley J. W. Ward   +5 more
doaj   +2 more sources

Global and local properties of finite groups with only finitely many\n central units in their integral group ring [PDF]

open access: greenJournal of group theroy, 2018
The aim of this article is to explore global and local properties of finite groups whose integral group rings have only trivial central units, so-called cut groups.
Andreas Bächle   +3 more
openalex   +3 more sources

The Complete Local Volume Groups Sample - I. Sample Selection and X-ray Properties of the High-Richness Subsample [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2017
We present the Complete Local-Volume Groups Sample (CLoGS), a statistically complete optically-selected sample of 53 groups within 80 Mpc. Our goal is to combine X-ray, radio and optical data to investigate the relationship between member galaxies, their
Babul, Arif   +9 more
core   +4 more sources

Local properties on the remainders of the topological groups [PDF]

open access: green, 2011
When does a topological group $G$ have a Hausdorff compactification $bG$ with a remainder belonging to a given class of spaces? In this paper, we mainly improve some results of A.V. Arhangel'ski\v{\i} and C. Liu's.
Fucai Lin
openalex   +3 more sources

Imaging the dynamic influence of functional groups on metal-organic frameworks

open access: yesNature Communications, 2023
Metal-organic frameworks (MOFs) with different functional groups have wide applications, while the understanding of functionalization influences remains insufficient.
Boyang Liu   +7 more
doaj   +2 more sources

THE OBSERVED PROPERTIES OF DWARF GALAXIES IN AND AROUND THE LOCAL GROUP [PDF]

open access: bronze, 2012
Positional, structural, and dynamical parameters for all dwarf galaxies in and around the Local Group are presented, and various aspects of our observational understanding of this volume-limited sample are discussed.
Alan W. McConnachie
openalex   +3 more sources

AN H I SURVEY OF SIX LOCAL GROUP ANALOGS. II. H I PROPERTIES OF GROUP GALAXIES [PDF]

open access: bronze, 2011
We have conducted an H i 21 cm emission-line survey of six loose groups of galaxies chosen to be analogs to the Local Group. The survey was conducted using the Parkes multibeam instrument and the Australia Telescope Compact Array (ATCA) over a ∼1 Mpc2 ...
D. J. Pisano   +5 more
openalex   +3 more sources

Groups acting on trees with almost prescribed local action

open access: yes, 2016
We investigate a family of groups acting on a regular tree, defined by prescribing the local action almost everywhere. We study lattices in these groups and give examples of compactly generated simple groups of finite asymptotic dimension (actually one ...
Boudec, Adrien Le
core   +2 more sources

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