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Differential Forms

Physical Object

N-dimensional form

Locally Expression in M.

1

Deformed Line

1-form: l(=δz)

δz=IαβZαdZβ=ABπAπB

2

2-Dimensional Waving Space (for example Figure 4(b)))

2-form: τ=12dL

τ=12IαβdZαdZβ=ABdπAdπB

H -Spaae

3-form: θ

θ=16αβγδZαdZβdZγdZδ=Z0dZ1dZ2dZ3Z1dZ0dZ2dZ3+Z2dZ0dZ1dZ3Z3dZ0dZ1dZ2

4

Spin Bundle

4-form: ϕ=14dθ

ϕ=124αβγδdZαdZβdZγdZδ=dZ0dZ1dZ2dZ3

5

Field Distorsion Components

Euler form: Υ=θ:ϕ, Math_170#

Υ=ZαZα