Conversely, given a pair of symmetric 2-forms "h" and "k", the Kulkarni–Nomizu product of "h" and "k":formula_25produces an algebraic curvature tensor.
Conversely, given a pair of symmetric 2-forms "h" and "k", the Kulkarni–Nomizu product of "h" and "k": formula_25produces an algebraic curvature tensor.