Results 101 to 110 of about 13,010,936 (349)

Each topological group embeds into a duoseparable topological group [PDF]

open access: yesTopology and its Applications, 2020
T. Banakh, Igor Guran, A. Ravsky
semanticscholar   +1 more source

Spin‐Selective Anisotropic Magnetoresistance Driven by Chirality in DNA

open access: yesAdvanced Functional Materials, EarlyView.
It is shown that magnetoresistance (MR) measurements carried out as a function of angular dependence between the magnetic field and a chiral (DNA) interface provide a valuable new insight into the charge transport mechanism associated with the chiral‐induced spin selectivity (CISS) effect.
Tapan Kumar Das   +4 more
wiley   +1 more source

Bounded normal generation is not equivalent to topological bounded normal generation

open access: yesExtracta Mathematicae, 2019
We show that some derived L1 full groups provide examples of non simple Polish groups with the topological bounded normal generation property. In particular, it follows that there are Polish groups with the topological bounded normal generation property ...
Philip A. Dowerk   +1 more
doaj  

Topological Frobenius groups

open access: yesJournal of Algebra, 1985
Structure theorems are obtained for topologically locally finite, totally disconnected groups which possess a compact open unit neighbourhood invariant under all inner automorphisms. These generalize results of Kegel and Wehrfritz for locally finite Frobenius groups and of Gildenhuys, Herfort and Ribes for a class of profinite Frobenius groups.
Wolfgang Herfort   +2 more
openaire   +3 more sources

Optical Control of the Thermal Conductivity in BaTiO3

open access: yesAdvanced Functional Materials, EarlyView.
Light‐driven manipulation of thermal conductivity in archetypal ferroelectric, BaTiO3, offers a novel and effective approach for the dynamical control of the heat flux, with potential applications in thermal management and phonon‐based logic. Abstract Achieving dynamic control over thermal conductivity remains a formidable challenge in condensed matter
Claudio Cazorla   +4 more
wiley   +1 more source

A Reflexive Admissible Topological Group must be Locally Compact

open access: yes, 1995
Let G be a reflexive topological group, and Gits group of characters, endowed with the compact open topology. We prove that the evaluation mapping from Gx G into the torus T is continuous if and only if G is locally compact. This is an analogue of a well-
E. Martín-Peinador
semanticscholar   +2 more sources

A solution to Comfort's question on the countable compactness of powers of a topological group

open access: yes, 2005
In 1990, Comfort asked Question 477 in the survey book “Open Problems in Topology”: Is there, for every (not necessarily infinite) cardinal number α ≤ 2c , a topological group G such that G is countably compact for all cardinals γ < α, but G is not ...
A. H. Tomita
semanticscholar   +1 more source

An example of a topological group

open access: yesTopology and its Applications, 2003
A topological space \(X\) is a \(P\)-\textit{space} if for every family \(G_n\subset X\) (\(n\in \mathbb{N}\)) of open subsets of \(X\), the intersection \(\cap_{n\in \mathbb{N}} G_n\) is an open subset of \(X\). A topological group \(G\) is called \textit{o-bounded} if for every sequence \((U_n)_{n\in \mathbb{N}}\) of neighborhoods of the identity in \
Henryk Michalewski, Adam Krawczyk
openaire   +3 more sources

High‐Entropy Magnetism of Murunskite

open access: yesAdvanced Functional Materials, EarlyView.
The study of murunskite (K2FeCu3S4) reveals that its magnetic and orbital order emerges in a simple I4/mmm crystal structure with complete disorder in the transition metal positions. Mixed‐valence Fe ions randomly occupy 1/4 of the tetrahedral sites, with the remaining 3/4 being filled by non‐magnetic Cu+ ions.
Davor Tolj   +18 more
wiley   +1 more source

CONVERGENCE THEOREMS FOR TOPOLOGICAL GROUP VALUED MEASURES ON EFFECT ALGEBRAS

open access: yes, 2001
In this paper we study the validity of several convergence theorems for measures defined on an effect algebra and taking values in a Hausdorff commutative topological group.
F. Mazarío
semanticscholar   +1 more source

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