Results 61 to 70 of about 51,886 (188)

Higher dimensional quantum Hall effect as A-class topological insulator

open access: yesNuclear Physics B, 2014
We perform a detail study of higher dimensional quantum Hall effects and A-class topological insulators with emphasis on their relations to non-commutative geometry.
Kazuki Hasebe
doaj   +1 more source

Wilson loop algebras and quantum K-theory for Grassmannians

open access: yesJournal of High Energy Physics, 2020
We study the algebra of Wilson line operators in three-dimensional N $$ \mathcal{N} $$ = 2 supersymmetric U(M ) gauge theories with a Higgs phase related to a complex Grassmannian Gr(M, N ), and its connection to K-theoretic Gromov-Witten invariants for ...
Hans Jockers   +3 more
doaj   +1 more source

The holographic c-theorem and infinite-dimensional Lie algebras

open access: yesJournal of High Energy Physics, 2022
We discuss a non-dynamical theory of gravity in three dimensions which is based on an infinite-dimensional Lie algebra that is closely related to an infinite-dimensional extended AdS algebra.
Eric A. Bergshoeff   +2 more
doaj   +1 more source

Prenatal betamethasone–postnatal N‐methyl‐D‐aspartic acid model of spasms: Update on mechanisms and treatments

open access: yesEpilepsia Open, EarlyView.
Abstract Infantile epilepsy spasms syndrome (IESS), formerly known as infantile spasms or West Syndrome, is a severe epilepsy syndrome affecting about 3 in 10,000 newborns in the United States. Characterized by clusters of epileptic spasms, interictal hypsarrhythmia, and developmental delays, IESS has diverse causes, including structural‐metabolic ...
Kayla Vieira   +5 more
wiley   +1 more source

Investigation of Social Media Metrics With Respect to Demand Modeling for Promotional Products

open access: yesJournal of Forecasting, EarlyView.
ABSTRACT Social media (SM) has revolutionized the way companies connect with customers, enabling more personalized marketing strategies and enhancing engagement. With platforms like Facebook offering detailed user data, businesses can create more targeted advertising campaigns. This paper proposes an approach to categorizing SM variables based on their
Yvonne Badulescu   +3 more
wiley   +1 more source

Curvature properties of the Chern connection of twistor spaces [PDF]

open access: green, 2022
Johann Davidov   +2 more
openalex   +1 more source

The connections of pseudo-Finsler spaces

open access: yes, 2014
We give an introduction to (pseudo-)Finsler geometry and its connections. For most results we provide short and self contained proofs. Our study of the Berwald non-linear connection is framed into the theory of connections over general fibered spaces ...
Minguzzi, E.
core   +1 more source

Bulk‐Edge Correspondence and Multiplexing Topological Routings in Gyromagnetic Photonic Weyl Metamaterials

open access: yesLaser &Photonics Reviews, EarlyView.
In this work, various topological phases and the bulk‐edge correspondence are studied and established in gyromagnetic photonic Weyl metamaterials. Based on rigorous theoretical analysis, the comprehensive depictions of the multiple topological phase diagrams and multi‐type bulk‐edge correspondences are further mapped out.
Ning Han   +7 more
wiley   +1 more source

Laplace operators on holomorphic Lie algebroids

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2018
The paper introduces Laplace-type operators for functions defined on the tangent space of a Finsler Lie algebroid, using a volume form on the prolongation of the algebroid.
Ionescu Alexandru
doaj   +1 more source

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