Results 11 to 20 of about 639,312 (344)

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

open access: greenKodai Mathematical Journal, 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 and C. Liu's. Let $G$ be a non-locally compact topological group and $bG$ be a compactification of $G$.
Fucai Lin
openalex   +4 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

The Jordan property for local fundamental groups [PDF]

open access: greenGeometry & Topology, 2022
We show the Jordan property for regional fundamental groups of klt singularities of fixed dimension. Furthermore, we prove the existence of effective simultaneous index one covers for $n$-dimensional klt singularities. We give an application to the study of local class groups of klt singularities.
Lukas Braun   +3 more
openalex   +4 more sources

On local matching property in groups and vector space [PDF]

open access: green, 2018
arXiv admin note: substantial text overlap with arXiv:1601 ...
Mohsen Aliabadi, Mano Vikash Janardhanan
openalex   +4 more sources

A Trio of New Local Group Galaxies with Extreme Properties [PDF]

open access: bronzeThe Astrophysical Journal, 2008
We report on the discovery of three new dwarf galaxies in the Local Group. These galaxies are found in new CFHT/MegaPrime g,i imaging of the south-western quadrant of M31, extending our extant survey area to include the majority of the southern hemisphere of M31's halo out to 150 kpc.
Alan W. McConnachie   +21 more
openalex   +5 more sources

Tensile properties of functionalized carbon nanothreads

open access: yesNano Materials Science, 2022
Low dimensional sp3 carbon nanostructures have attracted increasing attention recently, due to their unique properties and appealing applications. Based on in silico studies, this work exploits the impacts from functional groups on the tensile properties
Haifei Zhan   +3 more
doaj   +1 more source

Comparative Study on Topological Properties of the Whole-Brain Functional Connectome in Idiopathic Rapid Eye Movement Sleep Behavior Disorder and Parkinson’s Disease Without RBD

open access: yesFrontiers in Aging Neuroscience, 2022
PurposeIdiopathic rapid eye movement Sleep Behavior Disorder (iRBD) is considered as a prodromal and most valuable warning symptom for Parkinson’s disease (PD).
Shuai Chen   +4 more
doaj   +1 more source

The properties of `dark' Lambda CDM haloes in the Local Group

open access: green, 2018
We examine the baryon content of low-mass {\Lambda}CDM halos $(10 ...
Frenk, Crain
openalex   +4 more sources

Gray matter structural networks related to 18F-THK5351 retention in cognitively normal older adults and Alzheimer's disease patients

open access: yeseNeurologicalSci, 2021
Objective: This study aimed to examine the alterations in gray matter networks related to tau retention in Alzheimer's disease (AD) patients and cognitively normal (CN) older individuals. Methods: Eighteen amyloid-positive AD patients and 30 age- and sex-
Yoko Shigemoto   +10 more
doaj   +1 more source

Test map characterizations of local properties of fundamental groups [PDF]

open access: yesJournal of Topology and Analysis (JTA), 2017
Local properties of the fundamental group of a path-connected topological space can pose obstructions to the applicability of covering space theory. A generalized covering map is a generalization of the classical notion of covering map defined in terms ...
Jeremy Brazas, H. Fischer
semanticscholar   +1 more source

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