E-mail. partha@bose.res.in
Abstract.
In this note we discuss the geometrical relationship between bi-Hamiltonian
systems and bi-differential calculi,
introduced by Dimakis and M\"oller-Hoissen.
AMSclassification. 37J35, 53D17.
Keywords. Fr\"{o}licher-Nijenhuis, Lenard scheme, bidifferential
calculi.