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On the characteristic torsion of gwistor space
Einstein metric gwistor space characteristic torsion G2 structure
2011/9/21
Abstract: We give a presentation of gwistor space. Then we compute the characteristic torsion T^ch of the G_2-twistor space of an oriented Riemannian 4-manifold with constant sectional curvature k and...
Automated Reasoning in Dierential Geometry and Mechanics Using Characteristic Method 1 III. Mechanical Formula Derivation
Automated Reasoning Dierential Geometry Mechanics Characteristic Method Mechanical Formula Derivation
2013/9/9
In this paper, methods of mechanical deriving of formulas from a set of di®erential polynomial equations and a set of di®erential polynomial inequations are presented. The methods have been ...