no code implementations • 20 Dec 2019 • Eric Geiger, Irina A. Kogan
We prove that while Hickman's claim holds for simple, closed curves with simple signatures, it fails for curves with non-simple signatures.
no code implementations • 22 Sep 2015 • Irina A. Kogan, Peter J. Olver
In the former case, we establish a constructible isomorphism between the algebra of differential invariants of the images and the algebra of fiber-wise constant (gauge) differential invariants of the objects.