Results 211 to 220 of about 63,399 (238)

Warped Product Metrics with Rank-1 Ricci Tensor

EAS Publications Series, 2008
Locally 2+2 warped product metrics with a Lorentzian base and Riemannian fiber are described in Newman-Penrose formalism. It is shown that solutions with rank-1 Ricci tensor are characterized by Φ 11 + 3Λ = 0 and Φ 00 Φ 22 = (Φ 11 -3Λ) 2 .
Bilge A.H., Daghan D.
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On Hermitian surfaces with J -invariant Ricci tensor

Journal of Geometry, 2001
Let \(M(J,g)\) be a compact Hermitian surface. Let \(s\) denote the usual scalar curvature of \(M(J,g)\), and \(k\) its conformal scalar curvature. By definition, \(k\) is the scalar curvature with respect to \(g\) of the canonical Weyl structure associated to the Hermitian structure \((J,g)\).
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Parallel convolutional processing using an integrated photonic tensor core

Nature, 2021
Johannes Feldmann, Nathan Youngblood
exaly  

Ricci tensor, n.

2023
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Tensor lattice field theory for renormalization and quantum computing

Reviews of Modern Physics, 2022
Yannick Meurice, Ryo Sakai, Judah F Unmuth-Yockey   +2 more
exaly  

Riemann curvature and the Ricci tensor

Abstract In Chapter 11, we explain how curvature of spaces are described using the Riemann tensor and the Ricci tensor. These will supply the left-hand side of the Einstein equation. Geodesic deviation allows us to identify tidal forces that result from the curvature of spacetime due to gravity.
Tom Lancaster, Stephen J. Blundell
openaire   +1 more source

Third-order nonlinear Hall effect induced by the Berry-connection polarizability tensor

Nature Nanotechnology, 2021
Shen Lai, Huiying Liu, Zhaowei Zhang
exaly  

Measurement of the quantum geometric tensor and of the anomalous Hall drift

Nature, 2020
Antonio Gianfrate, Olivier Bleu, Lorenzo Dominici   +2 more
exaly  

Higher-dimensional processing using a photonic tensor core with continuous-time data

Nature Photonics, 2023
Bowei Dong, Samarth Aggarwal, Utku Emre Ali   +2 more
exaly  

Tensor Robust Principal Component Analysis with a New Tensor Nuclear Norm

IEEE Transactions on Pattern Analysis and Machine Intelligence, 2020
Canyi Lu, Jiashi Feng, Yudong Chen
exaly