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JetCalculus[ProjectionTransformation] - construct the canonical projection map between jet spaces of a fiber bundle
Calling Sequences
ProjectionTransformation(n, m)
Parameters
n - a non-negative integer, the order for the domain jet space
m - a non-negative integer, the order for the range jet space, m <= n
Description
Let E -> M a fiber bundle. Then ProjectionTransformation(n, m) defines the canonical projection map from J^n(E) to J^m(E).
The command ProjectionTransformation is part of the DifferentialGeometry:-JetCalculus package. It can be used in the form ProjectionTransformation(...) only after executing the commands with(DifferentialGeometry) and with(JetCalculus), but can always be used by executing DifferentialGeometry:-JetCalculus:-ProjectionTransformation(...).
Examples
Example 1.
Define the 6-th order jet bundle J^6(E) for E = R^2 x R, with coordinates (x, y, u) -> (x, y).
Define the canonical projection from J^6(E) to J^3(E).
See Also
DifferentialGeometry, JetCalculus, DGinfo, Pullback, Transformation
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