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Ehresmann connections; covariant derivatives; connections on vector bundles, principal bundles, ∞-bundles, submersions, bundle gerbes; holonomy and higher holonomy; parallel transport; torsion; curvature. See also the tags [principal-bundles], [vector-bundles], [gerbes], [curvature], [geodesics], [characteristic-classes], [torsion].

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Conceptual definition of the extension of a connection to 1-forms

I have a question that arose while reading Milnor's "Characteristic Classes". I will use the notation from that book. Let $M$ be a smooth manifold and let $\zeta$ be a complex vector bundle on $M$. …