Results 51 to 60 of about 58,980 (264)

Kitai's Criterion for composition operators

open access: yesJournal of Mathematical Analysis and Applications
We present a general and natural framework to study the dynamics of composition operators on spaces of measurable functions, in which we then reconsider the characterizations for hypercyclic and mixing composition operators obtained by Bayart, Darji and Pires.
Gomes, Daniel, Grosse-Erdmann, Karl
openaire   +4 more sources

Spectra of Compact Composition Operators [PDF]

open access: yesProceedings of the American Mathematical Society, 1975
Let ϕ \phi be holomorphic and map the ...
Caughran, James G., Schwartz, Howard J.
openaire   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

open access: yesFEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee   +3 more
wiley   +1 more source

Weighted composition operators on bicomplex Lorentz spaces with their characterization and properties

open access: yesDemonstratio Mathematica
This article presents a characterization of non-singular measurable transformation, denoted as TT, mapping from Ω\Omega to itself, along with bicomplex-valued BC{\mathbb{BC}}-measurable function uu defined on Ω\Omega , which induces a weighted ...
Eryılmaz İlker
doaj   +1 more source

Organ‐specific redox imbalances in spinal muscular atrophy mice are partially rescued by SMN antisense oligonucleotides

open access: yesFEBS Letters, EarlyView.
We identified a systemic, progressive loss of protein S‐glutathionylation—detected by nonreducing western blotting—alongside dysregulation of glutathione‐cycle enzymes in both neuronal and peripheral tissues of Taiwanese SMA mice. These alterations were partially rescued by SMN antisense oligonucleotide therapy, revealing persistent redox imbalance as ...
Sofia Vrettou, Brunhilde Wirth
wiley   +1 more source

Classification of Multioperations of Rank 2 by E-precomplete Sets

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2020
In this paper multioperations defined on a two-element set and their closure operator based on composition operator and the equality predicate branching operator is considered. The composition operator is based on union of sets.
V.I. Panteleev, L.V. Ryabets
doaj   +1 more source

A Schwarz Lemma and Composition Operators [PDF]

open access: yesIntegral Equations and Operator Theory, 2004
Let \(D\) be a domain in a complex Banach space \(E\) and let \(\triangle\) be the open unit disc in the complex plane. The authors first prove that \(\log((2 + d_D)/(2- d_D))\) coincides with the Carathéodory pseudo-distance \(C_D\) on \(D\), where the pseudo-distance \(d_D\) is defined by \(d_D(z,w):= \sup\{| f(z)-f(w)| : f : D \to \triangle ...
Mackey, Michael, Mellon, Pauline
openaire   +4 more sources

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

Valosin‐containing protein counteracts ATP‐driven dissolution of FUS condensates through its ATPase activity in vitro

open access: yesFEBS Letters, EarlyView.
Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura   +2 more
wiley   +1 more source

Diversity and complexity in neural organoids

open access: yesFEBS Letters, EarlyView.
Neural organoid research aims to expand genetic diversity on one side and increase tissue complexity on the other. Chimeroids integrate multiple donor genomes within single organoids. Self‐organising multi‐identity organoids, exogenous cell seeding, or enforced assembly of region‐specific organoids contribute to tissue complexity.
Ilaria Chiaradia, Madeline A. Lancaster
wiley   +1 more source

Home - About - Disclaimer - Privacy