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math.SG2020
The -algebra of a symplectic manifold
Bas Janssens, Leonid Ryvkin, Cornelia Vizman
We construct an -algebra on the truncated canonical homology complex of a symplectic manifold, which naturally projects to the universal central extension of the Lie alge…
math.DG2020
Induced differential characters on nonlinear Graßmannians
Tobias Diez, Bas Janssens, Karl-Hermann Neeb +1
Using a nonlinear version of the tautological bundle over Graßmannians, we construct a transgression map for differential characters from to the nonlinear Graßmannians $\mathrm…