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Differential Batalin-Vilkovisky algebras arising from twilled Lie-Rinehart algebras | Johannes Huebschmann
; | Date: |
14 Mar 2013 | Abstract: | Twilled L(ie-)R(inehart)-algebras generalize, in the Lie-Rinehart context,
complex structures on smooth manifolds. An almost complex manifold determines
an "almost twilled pre-LR algebra", which is a true twilled LR-algebra iff the
almost complex structure is integrable. We characterize twilled LR structures
in terms of certain associated differential (bi)graded Lie and
G(erstenhaber)-algebras; in particular the G-algebra arising from an almost
complex structure is a d(ifferential) G-algebra iff the almost complex
structure is integrable. Such G-algebras, endowed with a generator turning them
into a B(atalin-)V(ilkovisky)-algebra, occur on the B-side of the mirror
conjecture. We generalize a result of Koszul to those dG-algebras which arise
from twilled LR-algebras. A special case thereof explains the relationship
between holomorphic volume forms and exact generators for the corresponding
dG-algebra and thus yields in particular a conceptual proof of the Tian-Todorov
lemma. We give a differential homological algebra interpretation for twilled
LR-algebras and by means of it we elucidate the notion of generator in terms of
homological duality for differential graded LR-algebras. | Source: | arXiv, 1303.3414 | Services: | Forum | Review | PDF | Favorites |
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