Results 131 to 140 of about 404,403 (255)

Resurgence and Topological Strings

open access: yes, 2015
11 pages, 7 figures. Pedestrian introduction to 1308.1695 and 1407.4821, based on my talk at String Math 2014.
openaire   +4 more sources

String topology for Lie groups [PDF]

open access: yesJournal of Topology, 2010
In 1999 Chas and Sullivan showed that the homology of the free loop space of an oriented manifold admits the structure of a Batalin-Vilkovisky algebra. In this paper we give a direct description of this Batalin-Vilkovisky algebra in the case that the manifold is a compact Lie group G. Our answer is phrased in terms of the homology of G, the homology of
openaire   +5 more sources

Exploring Aromaticity in Expanded Porphyrins: A Multidimensional Approach to Structure–Property Relationships

open access: yesChemistry–Methods, EarlyView.
Expanded porphyrins, with their flexible structures and rich redox chemistry, offer a powerful platform to explore how aromaticity shapes molecular properties. This review introduces a multidimensional framework to quantify Hückel and Möbius aromaticity and examines its impact on the spectroscopic behavior across redox‐ and topology‐controlled expanded
Freija De Vleeschouwer   +2 more
wiley   +1 more source

Topological structures, dark matter and gravitational waves in E6

open access: yesJournal of High Energy Physics
We discuss the appearance of topological structures from the spontaneous breaking of E 6 to the Standard Model via its maximal subgroup SO(10) × U(1) ψ . They include dumbbells, metastable strings, as well as domain walls bounded by necklaces. We provide
Rinku Maji, Qaisar Shafi, Amit Tiwari
doaj   +1 more source

Instantons, Topological Strings, and Enumerative Geometry

open access: yesAdvances in Mathematical Physics, 2010
We review and elaborate on certain aspects of the connections between instanton counting in maximally supersymmetric gauge theories and the computation of enumerative invariants of smooth varieties. We study in detail three instances of gauge theories in
Richard J. Szabo
doaj   +1 more source

Pathogenic glycosyltransferase genes and potential therapeutic drugs in pressure overload‐induced heart failure

open access: yesESC Heart Failure, EarlyView.
Abstract Aims Protein glycosylation regulated by glycosyltransferases is an important type of post‐translational modification. The role of the glycosyltransferase genes (GTGs) in heart failure (HF) remains unclear and requires further investigation.
Jiahe Wu   +5 more
wiley   +1 more source

Advances in gallium nitride/two‐dimensional‐material heterojunction‐based photodetectors

open access: yesInformation &Functional Materials, EarlyView.
This review provides a systematic overview of the recent progress in gallium nitride (GaN)/two‐dimensional (2D) heterostructure‐based devices, with an emphasis on material integration and fabrication strategies, as well as device mechanisms and performance characteristics.
Jiale Wu   +9 more
wiley   +1 more source

TargetGen‐RNN model discovers novel antibiotic compound targeting drug‐resistant Staphylococcus aureus

open access: yesInterdisciplinary Medicine, EarlyView.
TargetGen‐recurrent neural network (RNN), an advanced generative model, generated 28,708 unique and novel compounds, identifying SAK‐2970 as a potent antibiotic against drug‐resistant Staphylococcus aureus. Exhibiting strong biofilm inhibition, high therapeutic efficacy, and minimal systemic toxicity in vivo, SAK‐2970 highlights its safety and clinical
Shakeel Ahmad Khan   +2 more
wiley   +1 more source

Electromagnetic vacuum fluctuations around a cosmic string in de Sitter spacetime

open access: yesEuropean Physical Journal C: Particles and Fields, 2017
The electromagnetic field correlators are evaluated around a cosmic string in background of $$(D+1)$$ ( D + 1 ) -dimensional dS spacetime assuming that the field is prepared in the Bunch–Davies vacuum state.
A. A. Saharian   +2 more
doaj   +1 more source

Design, Fabrication, and Evaluation of Hybrid Polycaprolactone/Graphene Scaffold Based on Additive Manufacturing and Electrospinning

open access: yesMacromolecular Materials and Engineering, EarlyView.
A multi‐scale and multi‐material PCL/graphene scaffold was successfully fabricated by integrating extrusion‐based AM and solution electrospinning. The process was optimized using an image‐based method, achieving 87% fiber alignment with the intended orientation.
M. Tugrul Ucan   +5 more
wiley   +1 more source

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