Abstract
We consider a discrete (finite-difference) analogue of differential forms defined on simplicial complexes, in particular, on triangulations of smooth manifolds. Various operations are explicitly defined on these forms including the exterior differential d and the exterior product ∧. The exterior product is nonassociative but satisfies a more general relation, the so-called A ∞ structure. This structure includes an infinite set of operations constrained by the nilpotency relation (d + ∧ + m + …)n = 0 of the second degree, n = 2.
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Translated from Teoreticheskaya i Matematicheskaya Fizika, Vol. 156, No. 1, pp. 3–37, July, 2008.
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Dolotin, V.V., Morozov, A.Y. & Shakirov, S.R. An A ∞ structure on simplicial complexes. Theor Math Phys 156, 965–995 (2008). https://doi.org/10.1007/s11232-008-0093-9
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DOI: https://doi.org/10.1007/s11232-008-0093-9