科研之友
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摘要
Given an algebraic stack X, one may compare the derived category of quasi-coherent sheaves on X with the category of dg-modules over the dg-ring of functions on X. We study the analogous question in stable homotopy theory, for derived stacks that arise via realizations of diagrams of Landweber-exact homology theories. We identify a condition (quasi-affineness of the map to the moduli stack of formal groups) under which the two categories are equivalent, and study applications to topological modular forms. In particular, we provide new examples of Galois extensions of ring spectra and vanishing results for Tate spectra.
- 出版日期2015-6
