Tsygan's cyclic formality conjecture
Tsygan's cyclic formality conjecture
Let be a smooth manifold, let denote the negative cyclic chain complex of , and let be the completed differential-form complex with formal variable . The zeroth Taylor component is required to be the Connes quasi-isomorphism, given by the -linear extension of the HKR map.
Tsygan's cyclic formality conjecture. There exists a natural -linear quasi-isomorphism of -modules
such that is the Connes quasi-isomorphism, given by the -linear extension of the HKR map.
This is the cyclic or negative-cyclic analogue of Tsygan's formality conjecture. The source does not state a resolution status for this candidate, so it is recorded as open.
Sources & referencesView supporting material
Primary source
Alberto S. Cattaneo and Giovanni Felder, “Effective Batalin–Vilkovisky theories, equivariant configuration spaces and cyclic chains”, arXiv:0802.1706 (2008).
Additional references
3 papers in this index state this conjecture (1999–2008). The statement above is taken from the most recent of them; the others are arXiv:math/0504420, arXiv:math/9904132.
Progress summary
Nothing recorded yet. Refresh searches the literature and the public web for attempts on this problem, and writes the first summary here.
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