Definition 92.17.1. Let A \to B be a ring map. Let M be a B-module. The map M \to L_{B/A} \otimes _ B^\mathbf {L} M[1] in (92.17.0.1) is called the Atiyah class of M.
Definition 92.17.1. Let A \to B be a ring map. Let M be a B-module. The map M \to L_{B/A} \otimes _ B^\mathbf {L} M[1] in (92.17.0.1) is called the Atiyah class of M.
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