Results 61 to 70 of about 1,739 (165)

The optimality of blocking designs in equally and unequally allocated randomized experiments with general response

open access: yesJournal of Causal Inference
We consider the performance of the difference-in-means estimator in a two-arm randomized experiment under common experimental endpoints such as continuous (regression), incidence, proportion and survival.
Azriel David   +2 more
doaj   +1 more source

Tourism Opportunities for Residents of the Russian Arctic: Within the Region, in Russia and Abroad

open access: yesРегионология
Introduction. Russian Arctic regions have a significant tourism potential, but it is not fully realized. The purpose of the study is to assess the possibilities of the population of the Arctic regions of the Russian Federation to realize tourism in their
Svetlana V. Kondrateva   +2 more
doaj   +1 more source

PHARMACEUTICAL CORRECTION OF VASCULAR DISTURBANCES IN PATIENTS WITH ARTERIAL HYPERTENSION

open access: yesРоссийский кардиологический журнал, 2010
Aim: To study vascular stiffness and elasticity, microcirculation (MC) parameters, and mildronate effects in patients with arterial hypertension (AH). Material and methods.
L. A. Khaisheva   +4 more
doaj  

Soluble minimax groups with the subnormal intersection property

open access: yesMathematische Zeitschrift, 1970
in which each term is normal in its successor and each factor satisfies either the maximum or the minimum condition for subgroups. A group G has the subnormal intersection property if the intersection of each collection of subnormal subgroups of G is itself a subnormal subgroup of G, that is, if G contains a subnormal closure of every subgroup of G ...
openaire   +2 more sources

Residual Finiteness Growth in Minimax Groups

open access: yes
If $g\in G$ is a non-trivial element in a residually finite group, then there exists by definition a finite group $Q$ and a homomorphism $φ: G \to Q$ such that $φ(g) \neq e$. The residual finiteness growth $\text{RF}_G$ of a finitely generated residually finite group $G$ estimates the size of $Q$ in terms of the word norm $\|g\|$ of the element $g\in G$
Deré, Jonas, Matthys, Joren
openaire   +2 more sources

Soluble products of minimax groups, and nearly surjective derivations

open access: yesJournal of Pure and Applied Algebra, 1988
The author proves that a soluble group \(G=AB\) which is the product of two minimax subgroups \(A\) and \(B\) is a minimax group. (A soluble group is a minimax group if it has a finite series whose factors are cyclic or Prüfer groups.) This solves Problem 9.54 of the Kourouvka Notebook [1986; Zbl 0625.20001]. Some special cases of this result where one
openaire   +1 more source

Fitting subgroups of profinite completions of soluble minimax groups

open access: yesJournal of Algebra, 1986
This paper is concerned with the question of how far a group is determined by the class of all of its finite images. It is known that it is rarely determined up to isomorphism but for some classes of groups, there can be only finitely many isomorphism types of groups of that class with the same collection of finite images.
openaire   +2 more sources

On Krull dimension of modules over group rings of minimax abelian groups

open access: yesJournal of Algebra and Its Applications
In this paper, we obtained some estimations of Krull dimension of modules over group rings of minimax abelian groups. We also consider relations between the condition of existing of small deviation for normal subgroups of a group and some previously studied chain conditions.
openaire   +2 more sources

Challenges in medical algorithmic fairness. [PDF]

open access: yesJNCI Cancer Spectr
Srinivasan A   +3 more
europepmc   +1 more source

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