Results 91 to 100 of about 84,301 (285)

Essential Norm and Weak Compactness of Composition Operators on Weighted Banach Spaces of Analytic Functions [PDF]

open access: yes, 1999
Every weakly compact composition operator between weighted Banach spaces of analytic functions with weighted sup-norms is compact. Lower and upper estimates of the essential norm of continuous composition operators are obtained.
José Bonet   +2 more
core   +1 more source

Multiplication Operators between Lipschitz-Type Spaces on a Tree

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2011
Let ℒ be the space of complex-valued functions 𝑓 on the set of vertices 𝑇 of an infinite tree rooted at 𝑜 such that the difference of the values of 𝑓 at neighboring vertices remains bounded throughout the tree, and let ℒ𝐰 be the set of functions 𝑓∈ℒ such
Robert F. Allen   +2 more
doaj   +1 more source

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

Epigenetic blind spots – the role of DNA methylation dynamics in stem cell‐based models of embryogenesis

open access: yesFEBS Letters, EarlyView.
Embryo‐like structures (stembryos) are an innovative tool, but they are hindered by experimental variability and limited developmental potential. DNA methylation is crucial for mammalian development, but its status in stembryo models is poorly characterized.
Sara Canil   +4 more
wiley   +1 more source

The Essential Norm of Multiplication Operators on Lorentz Sequence Spaces

open access: yesReal Analysis Exchange, 2016
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Castillo, René E.   +2 more
openaire   +2 more sources

On the norm and the essential norm of weighted composition operators acting on the weighted Banach space of analytic functions [PDF]

open access: yes, 2016
The objective of this paper is to use known properties of the associated weight to give new estimations of the norm and essential norm of the weighted composition operators acting between weighted Banach spaces of analytic functions, in terms of ...
Fernandez, Julio C. Ramos
core  

What makes a norm robust: the norm against female combat [PDF]

open access: yes, 2019
The norm against female combat participation has been powerfully influential and extremely slow to change, despite a record of violation and concerted attempts by states to overturn it.
Percy, Sarah
core   +1 more source

Residual tail twisting in ascidian larvae is stabilized by asymmetric myofibrils that resist bilateral symmetry restoration

open access: yesFEBS Letters, EarlyView.
Ascidian Ciona larvae initially show strong clockwise tail twisting, which is largely corrected during development. However, a small residual twist remains. This study shows that organized helical myofibrils in tail muscles mechanically stabilize this residual asymmetry, preventing complete restoration of bilateral symmetry and revealing how embryos ...
Yuki S. Kogure   +3 more
wiley   +1 more source

Absolutely norm attaining paranormal operators [PDF]

open access: yes, 2018
A bounded linear operator , where are Hilbert spaces is said to be norm attaining if there exists a unit vector such that . If for any closed subspace M of , the restriction of T to M is norm attaining, then T is called an absolutely norm attaining ...
G, Ramesh
core   +1 more source

Rab14 regulates the transport of human papillomavirus to the trans‐Golgi network for infectious cell entry

open access: yesFEBS Letters, EarlyView.
This study reveals that the small GTPase Rab14 is necessary for human papillomavirus (HPV) infection and plays an essential role in the transport of virions to the trans‐Golgi network (TGN). HPV in the early endosome (EE), which harbors GTP‐bound Rab14, is transported to the TGN through the switch of Rab14 from its GTP‐bound to GDP‐bound form.
Yoshiyuki Ishii, Iwao Kukimoto
wiley   +1 more source

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