Results 71 to 80 of about 4,589,015 (245)

Pointwise multipliers of weighted BMO spaces [PDF]

open access: yesProceedings of the American Mathematical Society, 1993
In a recent paper by S. Bloom (Pointwise multipliers of weighted B M O BMO spaces, Proc. Amer. Math. Soc. 105 (1989), 950-960), there are some inaccuracies. In this note, we give a counterexample to his "theorem" and a corrected form with proof under a suitable condition on weights.
openaire   +1 more source

Altered Brain‐Behavior Association During Resting State is a Potential Psychosis Risk Marker

open access: yesAdvanced Science, Volume 12, Issue 26, July 10, 2025.
The study detects a potential multimodal biomarker that can be promising for identifying early markers of psychosis. It shows a consistent brain‐behavior association between a circuit of interconnected regions and executive function in neurotypical controls and individuals at various stages of psychosis.
Leonardo Fazio   +22 more
wiley   +1 more source

An N‐Terminally Elongated Peptide From Conus rolani Defines a New Class of Ribbon α‐Conotoxins Targeting Muscle nAChRs

open access: yesThe FASEB Journal, Volume 39, Issue 12, 30 June 2025.
α‐RoIA is an atypical N‐terminally elongated conotoxin discovered in Conus rolani. N‐terminal elongation delays activity in vivo; however, this elongation must be removed to block muscle nicotinic acetylcholine receptors (nAChRs). Only the truncated ribbon isoform of RoIA blocks muscle nAChRs.
Matías L. Giglio   +9 more
wiley   +1 more source

FLOW WITH $A_{\infty }(\mathbb{R})$ DENSITY AND TRANSPORT EQUATION IN $\text{BMO}(\mathbb{R})$

open access: yesForum of Mathematics, Sigma, 2019
We show that, if $b\in L^{1}(0,T;L_{\operatorname{loc}}^{1}(\mathbb{R}))$ has a spatial derivative in the John–Nirenberg space $\operatorname{BMO}(\mathbb{R})$, then it generates a unique flow $\unicode[STIX]{x1D719}(t,\cdot )$ which has an $A_{\infty }(\
RENJIN JIANG, KANGWEI LI, JIE XIAO
doaj   +1 more source

BMO- and VMO-spaces of slice hyperholomorphic functions [PDF]

open access: yesMathematische Nachrichten, 2017
In this paper we continue the study of important Banach spaces of slice hyperholomorphic functions on the quaternionic unit ball by investigating the BMO- and VMO-spaces of slice hyperholomorphic functions. We discuss in particular conformal invariance and a refined characterization of these spaces in terms of Carleson measures.
Jonathan Gantner   +2 more
openaire   +4 more sources

Progress and Perspectives in 2D Piezoelectric Materials for Piezotronics and Piezo‐Phototronics

open access: yesAdvanced Science, Volume 12, Issue 24, June 26, 2025.
This review examines advancements in 2D materials, focusing on their applications in piezotronics and piezo‐phototronics. It discusses key materials like TMDs, h‐BN, and phosphorene, highlighting their unique mechanical, electronic, and optical properties.
Fengyi Pang   +6 more
wiley   +1 more source

Lectures on Nehari's Theorem on the Polydisk [PDF]

open access: yes, 2006
We give a leisurely proof of a result of Ferguson--Lacey (math.CA/0104144) and Lacey--Terwelleger (math.CA/0601192) on a Nehari theorem for "little" Hankel operators on a polydisk.
Lacey, Michael
core  

Optical study of the vibrational and dielectric properties of BiMnO3

open access: yes, 2015
BiMnO3 (BMO), ferromagnetic (FM) below Tc = 100 K, was believed to be also ferroelectric (FE) due to a non-centro-symmetric C2 structure, until diffraction data indicated that its space group is the centro-symmetric C2/c.
Calestani, G.   +7 more
core   +1 more source

Duality theorems for coinvariant subspaces of $H^1$

open access: yes, 2014
Let $\theta$ be an inner function satisfying the connected level set condition of B. Cohn, and let $K^{1}_{\theta}$ be the shift-coinvariant subspace of the Hardy space $H^1$ generated by $\theta$.
Bessonov, R. V.
core   +1 more source

Healthcare provider recommendations to improve post‐violence care HIV post‐exposure prophylaxis access and adherence in Mozambique

open access: yesJournal of the International AIDS Society, Volume 28, Issue S1, June 2025.
Abstract Introduction In Mozambique, post‐exposure prophylaxis (PEP) to prevent HIV is offered as part of the essential package of post‐violence care services at 1450 health facilities. However, HIV PEP access and adherence continue to be a challenge. Healthcare providers were interviewed to identify and synthesize their recommendations for improving ...
Meghan Duffy   +11 more
wiley   +1 more source

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