Results 21 to 30 of about 9,681,538 (276)

A non-trivial example of a free-by-free group with the Haagerup property [PDF]

open access: yes, 2011
The aim of this note is to prove that the group of Formanek-Procesi acts properly isometrically on a finite dimensional CAT(0) cube complex. This gives a first example of a non-linear semidirect product between two non abelian free groups which satisfies
Gautero, François
core   +3 more sources

Protocol for a systematic review of the efficacy of fat grafting and platelet-rich plasma for wound healing

open access: yesSystematic Reviews, 2017
Background The use of fat grafting as a reconstructive surgical option is becoming much more common. Adipose-derived stem cells found in fat grafts are believed to facilitate wound healing via differentiation into fibroblasts and keratinocytes and the ...
Oliver J. Smith   +6 more
doaj   +1 more source

Free compact groups I: Free compact abelian groups

open access: yesTopology and its Applications, 1986
The structure of free compact abelian groups is investigated. A compact abelian group G is free compact abelian if and only if \(G\cong K\times {\hat {\mathbb{Q}}}^ a\times \prod_{p\in prime}{\mathbb{Z}}^ b_ p\), where \({\hat {\mathbb{Q}}}\) is the character group of the discrete group of rationals, K is a compact connected abelian group with dense ...
Hofmann, Karl Heinrich   +1 more
openaire   +1 more source

Free vs. locally free Kleinian groups [PDF]

open access: yesJournal für die reine und angewandte Mathematik (Crelles Journal), 2016
Abstract We prove that Kleinian groups whose limit sets are Cantor sets of Hausdorff dimension < < 1 are free.
Pankka, Pekka, Souto, Juan
openaire   +6 more sources

Dietary deprivation reduces the deleterious effects of carbaryl on the survival and activity of both catalase and acetylcholinesterase in earthworms

open access: yesEcotoxicology and Environmental Safety, 2023
Dietary restriction (DR) and dietary deprivation (DD) have been shown to be significantly beneficial in terms of lifespan gains and stress alleviation in invertebrate and vertebrate species.
Sipho Sithole   +3 more
doaj   +1 more source

The Unipotency of Linear Groups Generated by Matrices with Primitive  Elements Contain no more than Six Jorden Blocks

open access: yesJournal of Harbin University of Science and Technology, 2019
In order to solve the problem of whether the matrices generated by two unipotent matrices are unipotency, a new combinatorial property of generators of free groups is obtained by using the matrix logarithmic tool。From the point of the combination of ...
YANG Xin-song, MA Chang
doaj   +1 more source

AUTOMORPHISM GROUPS OF FREE GROUPS [PDF]

open access: yesJournal of the Australian Mathematical Society, 2008
Abstract This note contains some remarks on generating pairs for automorphism groups of free groups. There has been significant use of electronic assistance. Little of this is used to verify the results.
openaire   +3 more sources

Big free groups are almost free [PDF]

open access: yesInternational Journal of Algebra and Computation, 2015
It is shown that the big free group (the set of countably-long words over a countable alphabet) is almost free, in the sense that any function from the alphabet to a compact topological group factors through a homomorphism. This statement is in fact a simple corollary of the more general result proven below on the extendability of homomorphisms from ...
openaire   +3 more sources

Protocol for a randomized controlled trial of the Breaking Free Online Health and Justice program for substance misuse in prison settings

open access: yesHealth & Justice, 2018
Background Substance misuse, including problematic drug and alcohol use, are significant issues in society that can have multiple detrimental effects. Many people access support for their substance misuse during prison sentences, due to the associations ...
Sarah Elison-Davies   +7 more
doaj   +1 more source

Effectiveness of mycofiltration for removal of contaminants from water: a systematic review protocol

open access: yesEnvironmental Evidence, 2021
Background Mycofiltration is an environment friendly technology which involves the treatment of contaminated water by passing it through a network of fungal mycelium. This technology has gained momentum over the years, and the systematic review chartered
Sanele Michelle Mnkandla   +1 more
doaj   +1 more source

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