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Relative Calabi-Yau structures
被引:18
|作者:
Brav, Christopher
[1
]
Dyckerhoff, Tobias
[2
]
机构:
[1] Natl Res Univ, Higher Sch Econ, Lab Mirror Symmetry, NRU HSE, 6 Usacheva Str, Moscow 119048, Russia
[2] Univ Hamburg, Fachbereich Math, Bundesstr 55, D-20146 Hamburg, Germany
关键词:
differential graded categories;
noncommutative Calabi-Yau structures;
CYCLIC HOMOLOGY;
CATEGORIES;
D O I:
10.1112/S0010437X19007024
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
We introduce relative noncommutative Calabi-Yau structures defined on functors of differential graded categories. Examples arise in various contexts such as topology, algebraic geometry, and representation theory. Our main result is a composition law for Calabi-Yau cospans generalizing the classical composition of cobordisms of oriented manifolds. As an application, we construct Calabi-Yau structures on topological Fukaya categories of framed punctured Riemann surfaces.
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页码:372 / 412
页数:41
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