G-connections as twisted formal solutions of systems of PDE's related to geometric structures
A remark on the topology of higher order frames
Some remarks on the Cristoffel symbols of Ehresmann E-connection.
We study the relations between torsion, curvature, local flatness and simplicity within the framework of E-connections by means of explicit formulas in terms of the Christoffel symbols of the given E-connection.
Classical differential geometry with Christoffel symbols of Ehresmann -connections
We give a method based on an idea of O. Veblen which gives explicit formulas for the covariant derivatives of natural objects in terms of the Christoffel symbols of a symmetric Ehresmann -connection.
On frames defined by horizontal spaces
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