Results 121 to 130 of about 583,576 (336)

F-theory and AdS3/CFT2 (2, 0)

open access: yesJournal of High Energy Physics, 2018
We continue to develop the program initiated in [1] of studying supersymmetric AdS3 backgrounds of F-theory and their holographic dual 2d superconformal field theories, which are dimensional reductions of theories with varying coupling. Imposing 2d N=02 $
Christopher Couzens   +2 more
doaj   +1 more source

Lie algebroid fibrations

open access: yesAdvances in Mathematics, 2011
28 pages, 1 ...
Brahic, Olivier, Zhu, Chenchang
openaire   +4 more sources

Triazine‐Trione Thermosets with High Processability for Scaffold Applications in Bone Tissue Engineering

open access: yesAdvanced Healthcare Materials, EarlyView.
Novel photo‐clickable triazine‐trione thermosets can be shaped and cured under mild conditions, including room and physiological temperatures. These materials are biocompatible and support osteogenic differentiation of bone marrow–derived mesenchymal stem cells on their surface.
Åshild Johansen   +7 more
wiley   +1 more source

Ample vector bundles and intrinsic quadric fibrations over irrational curves

open access: yesLe Matematiche, 2000
Let E be an ample vector bundle of rank r ≥ 2 on a smooth complex projective variety X.  This work is part of the following problem: to study and classify the pair (X, E) assuming the existence of a regular section s ∈Γ (X, E) whose zero locus is a ...
Tommaso De Fernex
doaj  

Heterotic/type II duality and non-geometric compactifications

open access: yesJournal of High Energy Physics, 2019
We present a new class of dualities relating non-geometric Calabi-Yau com- pactifications of type II string theory to T-fold compactifications of the heterotic string, both preserving four-dimensional N $$ \mathcal{N} $$ = 2 supersymmetry.
Y. Gautier, C. M. Hull, D. Israël
doaj   +1 more source

Sculpting the Future of Bone: The Evolution of Absorbable Materials in Orthopedics

open access: yesAdvanced Materials, EarlyView.
This review summarizes the current status of polymeric, ceramic, and metallic absorbable materials in orthopedic applications, and highlights several innovative strategies designed to enhance mechanical performance, control degradation, and promote bioactivity. We also discuss the progress and translational potential of absorbable materials in treating
Zhao Wang   +13 more
wiley   +1 more source

Ultrafast Vertical Organic Electrochemical Transistors With Ion‐Permeable Conductive Polymer Top Electrodes

open access: yesAdvanced Materials, EarlyView.
Vertical organic electrochemical transistors (vOECTs) are limited in speed by ion‐impermeable metal electrodes that slow ion injection. Using ion‐permeable PBFDO top electrodes allows direct vertical ion injection into BBL channels, achieving high current densities (>400 A cm−2), large on/off ratios (>106), and ultrafast switching in 28 µs. This sets a
Han‐Yan Wu   +14 more
wiley   +1 more source

Piezoelectric Stimulation of Neural Cells: Exploring the Synergistic Potential of Hybrid Scaffolds for Enhanced Regeneration

open access: yesAdvanced Materials Interfaces, EarlyView.
Hybrid piezoelectric scaffolds offer a promising route for Central Nervous System regeneration by combining structural and electrical cues to support neural stem cell growth. This review highlights their potential to overcome current challenges in neural tissue engineering by exploring porous hybrid materials, their biological interactions, and ...
Heather F. Titterton   +2 more
wiley   +1 more source

Opportunities for Multiscale Pattern Modulation with Temporally Arrested Breath Figures

open access: yesAdvanced Materials Interfaces, EarlyView.
This works presents the temporally arrested breath figure methodology and its opportunities for pattern modulation. Through thermodynamic and photochemical phase change handles, this method uses drop‐wise condensation as a dynamic template for fast, accessible and scalable micropatterning.
Francis J. Dent   +5 more
wiley   +1 more source

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