Results 71 to 80 of about 2,185,448 (315)

Monomial Ideals under Ideal Operations [PDF]

open access: yesCommunications in Algebra, 2015
In this paper, we show for a monomial ideal $I$ of $K[x_1,x_2,\ldots,x_n]$ that the integral closure $\ol{I}$ is a monomial ideal of Borel type (Borel-fixed, strongly stable, lexsegment, or universal lexsegment respectively), if $I$ has the same property.
Guo, Jin, Wu, Tongsuo
openaire   +2 more sources

Translophagy—A potential link between autophagy impairment and translational errors

open access: yesFEBS Letters, EarlyView.
Neurodegenerative diseases are characterised by the accumulation of abnormal proteins and protein aggregates, but their origin often remains unknown. We propose that selective autophagy removes damaged protein‐making machinery, preventing errors during protein synthesis.
Mykola V. Korolchuk   +11 more
wiley   +1 more source

Fatherhood experiences: A qualitative approach of cisgender and transgender fathers in assisted reproductive technologies (ART) situation with sperm donation

open access: yesHeliyon
Assisted reproductive technologies have offered new ways and pathways to conceive a child. However, very few is known about insights into the complexities and challenges faced by trans fathers in contemporary parenthood journeys.
N. Mendes   +11 more
doaj   +1 more source

Pleasant ideals.

open access: yesNotre Dame Journal of Formal Logic, 1991
Let \(\kappa\) be a regular, uncountable cardinal and let \(I\) be an ideal on \(\kappa\) (all ideals considered contain all singletons and are \(
openaire   +4 more sources

From junk to function — How weak selection in eukaryotes builds new parts and drives genomic complexity

open access: yesFEBS Letters, EarlyView.
How do genomes gain new functional parts? In eukaryotes, which tend to evolve under weak selection, much of the genome is junk. Palazzo and Qiu borrow the logic of Markov chains to show how non‐functional DNA becomes functional through the appearance of intermediate states, which arise due to epistasis, buffering, and biochemical messiness, allowing ...
Alexander F. Palazzo, Yi Qiu
wiley   +1 more source

Chiral separation of chloroalkanes with the chromatographic column onboard Martian rovers

open access: yesFEBS Letters, EarlyView.
Computer image of the Rosalind Franklin Rover of ESA's ExoMars mission. ExoMars is scheduled to land on planet Mars in Oxia Planum in 2029. This area represents an interesting spot to look for biosignatures. Investigations of ExoMars include measurement on molecular chirality. We show that chiral chloroalkanes, that have been identified on Mars, can be
Asma Merzougui   +4 more
wiley   +1 more source

Paracompactness with respect to an ideal

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1997
An ideal on a set X is a nonempty collection of subsets of X closed under the operations of subset and finite union. Given a topological space X and an ideal ℐ of subsets of X, X is defined to be ℐ-paracompact if every open cover of the space admits a ...
T. R. Hamlett   +2 more
doaj   +1 more source

How to 'Orient' a Theory of Justice: Rawls and the Ideal/Non-Ideal Distinction

open access: yes, 2019
This thesis deals with two broad questions: (1) “What makes a theory of justice ideal as opposed to non-ideal?”, and (2) “what are the consequences of taking one or the other approach?”.
Searing, Keith
core  

Artificial molecular machines and motors—Design and control of nanoscale motion

open access: yesFEBS Letters, EarlyView.
Molecules are constantly moving because of thermal fluctuations, but random motion alone cannot be exploited to perform directional tasks. Artificial molecular machines use chemical, electrical, or light energy to bias this motion. Molecular shuttles, rotary motors, and supramolecular pumps illustrate how nanoscale movement can be controlled and ...
Leonardo Andreoni, Alberto Credi
wiley   +1 more source

Twenty-eight new and significant departmental reptile records for Paraguay

open access: yesActa Zoológica Lilloana
Twenty-eight new distribution records are reported for twenty-seven species of Paraguayan reptiles. Ten of these species are considered threatened at the national level (6 EN, 2 VU, 2 DD).
Paul Smith   +14 more
doaj   +1 more source

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