Results 61 to 70 of about 21,674,610 (304)

A Dedekind criterion over valued fields

open access: yesSibirskii matematicheskii zhurnal, 2021
Let $(K, )$ be an arbitrary-rank valued field, $R_ $ its valuation ring, $K( )/K$ a separable finite field extension generated over $K$ by a root of a monic irreducible polynomial $f\in R_ [X]$. We give necessary and sufficient conditions for $R_ [ ]$ to be integrally closed.
El Fadil, L., Boulagouaz, M., Deajim, A.
openaire   +2 more sources

Treatment Decision‐Making Roles and Preferences Among Adolescents and Young Adults With Cancer

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Decision‐making (DM) dynamics between adolescents and young adults (AYAs) with cancer, parents, and oncologists remain underexplored in diverse populations. We examined cancer treatment DM preferences among an ethnically and socioeconomically diverse group of AYAs and their parents.
Amanda M. Gutierrez   +14 more
wiley   +1 more source

Optimal Nonlinear Prediction of Random Fields on Networks [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2003
It is increasingly common to encounter time-varying random fields on networks (metabolic networks, sensor arrays, distributed computing, etc.).This paper considers the problem of optimal, nonlinear prediction of these fields, showing from an information ...
Cosma Rohilla Shalizi
doaj   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Henselian Valued Stable Fields

open access: yesJournal of Algebra, 1998
The author studies relations between the exponent and the index of a finite-dimensional central division algebra over a field \(E\) [cf. e.g. \textit{P. M. Cohn}, Algebra 3, J. Wiley (1991; Zbl 0719.00002), Ch. 7]. Thus \(E\) is called stable if the index equals the exponent for each such algebra, and \(E\) is called stable closed if all its finite ...
openaire   +1 more source

Key polynomials for simple extensions of valued fields [PDF]

open access: yesThe Journal of Singularities, 2014
Let $\iota:K\hookrightarrow L\cong K(x)$ be a simple transcendental extension of valued fields, where $K$ is equipped with a valuation $\nu$ of rank 1. That is, we assume given a rank 1 valuation $\nu$ of $K$ and its extension $\nu'$ to $L$.
F. J. H. Govantes   +3 more
semanticscholar   +1 more source

Organoids in pediatric cancer research

open access: yesFEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

The existential theory of equicharacteristic henselian valued fields [PDF]

open access: yes, 2015
We study the existential (and parts of the universal-existential) theory of equicharacteristic henselian valued fields. We prove, among other things, an existential Ax-Kochen-Ershov principle, which roughly says that the existential theory of an ...
Sylvy Anscombe, Arno Fehm
semanticscholar   +1 more source

SOME PROPERTIES OF ANALYTIC DIFFERENCE VALUED FIELDS [PDF]

open access: yesJournal of the Institute of Mathematics of Jussieu, 2014
We prove field quantifier elimination for valued fields endowed with both an analytic structure that is $\unicode[STIX]{x1D70E}$ -Henselian and an automorphism that is $\unicode[STIX]{x1D70E}$ -Henselian.
Silvain Rideau
semanticscholar   +1 more source

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

open access: yesFEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho   +3 more
wiley   +1 more source

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