Results 201 to 210 of about 1,685,988 (224)

Momentum-space nonsymmorphic symmetry meets higher-order topology. [PDF]

Natl Sci Rev
Zhao YX.
europepmc   +1 more source

Magnetostructural Transition in Spin Frustrated Halide Double Perovskites. [PDF]

Chem Mater
Mopoung K, Tao Q, Orlandi F, Mukhuti K, Ramsamoedj KS, Singh U, Khamkaeo S, Zhang M, de Dreu MW, Dilmieva E, Ammerlaan ELQN, Ottenbros T, Wiedmann S, Boothroyd AT, Christianen PCM, Simak SI, Rosen J, Gao F, Buyanova IA, Chen WM, Puttisong Y.   +20 more
europepmc   +1 more source

Corner symmetry and quantum geometry

, 2023
By virtue of the Noether theorems, the vast gauge redundancy of general relativity provides us with a rich algebra of boundary charges that generate physical symmetries. These charges are located at codimension-2 entangling surfaces called corners.
L. Freidel, Marc Anthony Ramirez, W. Wieland   +2 more
semanticscholar   +4 more sources

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SYMMETRY GEOMETRY BY PAIRINGS

Journal of the Australian Mathematical Society, 2018
In this paper, we introduce a symmetry geometry for all those mathematical structures which can be characterized by means of a generalization (which we call pairing) of a finite rectangular table.
G. Chiaselotti, T. Gentile, F. Infusino
semanticscholar   +3 more sources

Compressor Maps and Coupling: Symmetry, Geometry, and Universality

Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, 2022
The predecessor of this paper (GT2021-60012) introduced the Symmetry (S’-) framework of compressor map representation. This framework exhibits a natural simplicity of expression in comparison with the common BETA framework, enables relatively simple ...
Benjamin Iwrey, P. Johnson
semanticscholar   +1 more source

Learning Symmetry-Aware Geometry Correspondences for 6D Object Pose Estimation

IEEE International Conference on Computer Vision, 2023
Current 6D pose estimation methods focus on handling objects that are previously trained, which limits their applications in real dynamic world. To this end, we propose a geometry correspondence-based framework, termed GCPose, to estimate 6D pose of ...
Heng Zhao, Shenxing Wei, Dahu Shi, Wenming Tan, Zheyang Li, Ye Ren, Xing Wei, Yi Yang, Shiliang Pu   +8 more
semanticscholar   +1 more source

The Geometry of Reflectance Symmetries [PDF]

IEEE Transactions on Pattern Analysis and Machine Intelligence, 2011
Different materials reflect light in different ways, and this reflectance interacts with shape, lighting, and viewpoint to determine an object's image. Common materials exhibit diverse reflectance effects, and this is a significant source of difficulty for image analysis. One strategy for dealing with this diversity is to build computational tools that
Tan, P., Quan, L., Zickler, T.
openaire   +3 more sources

The geometry of broken symmetries

Il Nuovo Cimento B Series 10, 1970
A consideration of the fundamental requirements of relativistic invariance for the global observables of relativistic quantum systems leads to the postulate that these observables should be treated as geometric objects on the manifold of spacelike hyperplanes in Minkowski space.
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Geometry and symmetry of multilattices

International Journal of Plasticity, 1998
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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The geometry of spontaneous symmetry breaking

Annals of Physics, 1983
The problem of classifying the theoretically allowed patterns of spontaneous symmetry breading, in theories where the ground state is determined as a minimum of a G-invariant potential (G a compact group of transformations), is analyzed. A detailed, complete, and rigorous justification of a recently proposed approach to the determination of the minima ...
M Abud, G. Sartori
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