Results 41 to 50 of about 47,886 (213)

Noncritical holomorphic functions on Stein spaces

open access: yes, 2015
We prove that every reduced Stein space admits a holomorphic function without critical points. Furthermore, any closed discrete subset of such a space is the critical locus of a holomorphic function.
Forstneric, Franc
core   +1 more source

Expanded Scorpionate and Siderophore‐Inspired Ligands: From Foundational Designs to Modern Applications

open access: yesEuropean Journal of Inorganic Chemistry, EarlyView.
The concept of scorpionate ligands has evolved significantly since the introduction of tris(pyrazolyl)borate. By integrating a biological supramolecular ligand scaffold with the classic scorpionate architecture, researchers have made notable strides in mimicking the active sites of nitrogenase and advancing homogeneous catalysis.
Austin Winfield Medley   +1 more
wiley   +1 more source

How do US Adults Who Vape Choose Among Different E‐Cigarette (EC) Models and Cigarettes in Response to Prices and Taxes

open access: yesHealth Economics, EarlyView.
ABSTRACT States continue to impose E‐Cigarette (EC) taxes without clear evidence of the cross‐price elasticities between multiple EC types and between ECs and cigarettes. Moreover, existing literature focused on EC sales or prevalence outcomes instead of consumption units of various EC types.
Shaoying Ma   +5 more
wiley   +1 more source

Insider Ownership and Investment Efficiency

open access: yesInternational Journal of Finance &Economics, EarlyView.
ABSTRACT This study examines the relationship between insider ownership and investment efficiency in Indian publicly listed firms, utilising panel data spanning 2001 to 2015. It explores how agency conflicts contribute to suboptimal capital investment decisions. Our analysis reveals that increased insider ownership is associated with reduced investment
Bibek Bhatta
wiley   +1 more source

Solutions to $ar{partial}$-equations on strongly pseudo-convex domains with $L^p$-estimates

open access: yesElectronic Journal of Differential Equations, 2004
We construct a solution to the $ar{partial}$-equation on a strongly pseudo-convex domain of a complex manifold. This is done for forms of type $(0,s)$, $sgeq 1 $, with values in a holomorphic vector bundle which is Nakano positive and for complex valued ...
Osama Abdelkader, Shaban Khidr
doaj  

Mixed‐mode membrane chromatography: mechanistic‐modeling‐based optimization and scale‐up of antibody charge variant separation using a novel membrane adsorber

open access: yesJournal of Chemical Technology &Biotechnology, EarlyView.
Abstract BACKGROUND Efficient manufacturing of complex biopharmaceuticals increasingly relies on innovative downstream processing strategies. Membrane chromatography offers a promising alternative to resin‐based systems by enabling high‐throughput separations at elevated flow rates. Typically used in flow‐through mode, its industrial applications range
Jan Hedrich   +6 more
wiley   +1 more source

Stein fillings of planar open books [PDF]

open access: yes, 2015
We prove that if a contact manifold $(M,\xi)$ is supported by a planar open book, then Euler characteristic and signature of any Stein filling of $(M,\xi)$ is bounded.
Kaloti, Amey
core  

Lefschetz fibrations on compact Stein surfaces

open access: yes, 2000
The existence of a positive allowable Lefschetz fibration on a compact Stein surface with boundary was established by Loi and Piergallini by using branched covering techniques.
Akbulut, Selman, Ozbagci, Burak
core   +4 more sources

Understanding bidirectional and transactional relations in parent and offspring mental health: Using COVID‐19 pandemic data to gain insights

open access: yesJCPP Advances, EarlyView.
This study found that parent internalising symptoms predicted internalising symptoms in younger children, with no evidence of child‐driven effects. Among adolescents, mental health symptoms showed bidirectional associations with parent internalising symptoms, particularly for externalising symptoms.
Martha Oakes   +4 more
wiley   +1 more source

Age‐related local versus systemic early phase wound healing dynamics following free gingival graft harvest

open access: yesJournal of Periodontology, EarlyView.
Abstract Background Free palatal gingival grafts (FGG) are commonly harvested during mucogingival procedures. The present study investigates age‐related local and systemic early secondary wound healing outcomes, following FGG harvest in a rat model. Methods A 4.2 mm diameter defect was created in the palate of 24 younger (2 m) and 24 older (6 m) Wistar
Maayan Atzmon‐Shavit   +3 more
wiley   +1 more source

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