期刊
JOURNAL OF ALGEBRA
卷 446, 期 -, 页码 203-274出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jalgebra.2015.09.017
关键词
Derived categories of coherent sheaves; Differential graded categories; Enhancements; Homological smoothness; Fourier-Mukai
类别
资金
- NSA grant [H98230-14-1-0110]
- DAAD
- DFG [SCHN 1358/2-1, SPP 1388, SFB/TR 45]
We We introduce new enhancements for the bounded derived category D-b(Coh(X)) of coherent sheaves on a suitable scheme X and for its subcategory Perf(X) of perfect complexes. They are used for translating Fourier-Mukai functors to functors between derived categories of dg algebras, for relating homological smoothness of Perf(X) to geometric smoothness of X, and for proving homological smoothness of D-b(Coh(X)). Moreover, we characterize properness of Perf(X) and D-b(Coh(X)) geometrically. (C) 2015 Elsevier Inc. All rights reserved.
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