نتایج جستجو برای: symmetry class of tensors

تعداد نتایج: 21192378  

Journal: :Classical and Quantum Gravity 2023

Abstract We compute conformally covariant actions and operators for tensors with mixed symmetries in arbitrary dimension d. Our results complete the classification of conformal that are quadratic on three indices, which allows to write corresponding all tensor species appear decomposition distorsion an metric-affine theory gravity including both torsion nonmetricity. also discuss degrees freedom s...

Journal: :journal of physical & theoretical chemistry 2005
m. monajemi m.a seyed sajjadi r. sayyadi g. ghassemi

structural and magnetic properties of purine and pyrimidine nucleotides (cmp, ump, dtmp, amp, gmp, imp) were studied at different levels of ab initio molecular orbital theory. these calculations were performed at the hartree-fock level and density functional b3lyp methods. geometries were fully optimized by following cs symmetry restrictions. the standard 6-31g** basis set which includes polari...

Journal: :Physical chemistry chemical physics : PCCP 2010
Guangjin Hou Sivakumar Paramasivam In-Ja L Byeon Angela M Gronenborn Tatyana Polenova

In this paper, we present 3D chemical shift anisotropy (CSA)/dipolar coupling correlation experiments, based on γ-encoded R-type symmetry sequences. The γ-encoded correlation spectra are exquisitely sensitive to the relative orientation of the CSA and dipolar tensors and can provide important structural and dynamic information in peptides and proteins. We show that the first-order (m = ±1) and ...

Journal: :Transactions of the American Mathematical Society 1962

Journal: :The Quarterly Journal of Mechanics and Applied Mathematics 2010

Journal: :Comput. Graph. Forum 2016
Nicholas Seltzer Gordon L. Kindlmann

Tensors model a wide range of physical phenomena. While symmetric tensors are sufficient for some applications (such as diffusion), asymmetric tensors are required, for example, to describe differential properties of fluid flow. Glyphs permit inspecting individual tensor values, but existing tensor glyphs are fully defined only for symmetric tensors. We propose a glyph to visualize asymmetric s...

G. Ghassemi M. Monajemi M.A Seyed Sajjadi R. Sayyadi

Structural and magnetic properties of purine and pyrimidine nucleotides (CMP, UMP, dTMP, AMP, GMP, IMP) were studied at different levels of ab initio molecular orbital theory. These calculations were performed at the hartree-fock level and density functional B3LYP methods. Geometries were fully optimized by following Cs symmetry restrictions. The standard 6-31G** basis set which includes polari...

Journal: :Foundations of Computational Mathematics 2014
Shmuel Friedland Giorgio Ottaviani

In this paper we discuss the notion of singular vector tuples of a complex valued d-mode tensor of dimension m1 × . . . × md. We show that a generic tensor has a finite number of singular vector tuples, viewed as points in the corresponding Segre product. We give the formula for the number of singular vector tuples. We show similar results for tensors with partial symmetry. We give analogous re...

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