scholarly journals Grade of Ideals with Respect to Torsion Theories

2013 ◽  
Vol 41 (9) ◽  
pp. 3224-3240
Author(s):  
Mohsen Asgharzadeh ◽  
Massoud Tousi
Keyword(s):  
Torsion Theories

Prestressed Concrete Tests Compared With Torsion Theories

PCI Journal ◽  
1985 ◽  
Vol 30 (5) ◽  
pp. 96-127 ◽  
Author(s):  
Arthur E. McMullen ◽  
Wael M. EI-Degwy
Keyword(s):  
Prestressed Concrete ◽  
Torsion Theories

scholarly journals Protoadditive functors, derived torsion theories and homology

2015 ◽  
Vol 219 (8) ◽  
pp. 3629-3676 ◽  
Author(s):  
Tomas Everaert ◽  
Marino Gran
Keyword(s):  
Torsion Theories

Flat modules and torsion theories

1972 ◽  
Vol 129 (4) ◽  
pp. 331-334 ◽  
Author(s):  
William Schelter ◽  
Paul Roberts
Keyword(s):  
Flat Modules ◽  
Torsion Theories

scholarly journals Light propagation and optical scalars in torsion theories of gravity

2019 ◽  
Vol 34 (04) ◽  
pp. 1950029
Author(s):  
Siamak Akhshabi
Keyword(s):  
Gravitational Lensing ◽  
Light Propagation ◽  
Raychaudhuri Equation ◽  
Angular Diameter Distance ◽  
Propagation Of Light ◽  
Light Rays ◽  
Theories Of Gravity ◽  
Torsion Theories ◽  
Basic Equations ◽  
Gauge Theory Of Gravity

We investigate the propagation of light rays and evolution of optical scalars in gauge theories of gravity where torsion is present. Recently, the modified Raychaudhuri equation in the presence of torsion has been derived. We use this result to derive the basic equations of geometric optics for several different interesting solutions of the Poincaré gauge theory of gravity. The results show that the focusing effects for neighboring light rays will be different than general relativity. This in turn has practical consequences in the study of gravitational lensing effects and also in determining the angular diameter distance for cosmological objects.

The lattice structure of nonhereditary torsion theories

1998 ◽  
Vol 26 (6) ◽  
pp. 1851-1861 ◽  
Author(s):  
Rogelio Fernández-Alonso ◽  
Francisco Raggi
Keyword(s):  
Lattice Structure ◽  
Torsion Theories
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