Search Results for author: Irina A. Kogan

Found 2 papers, 0 papers with code

Non-congruent non-degenerate curves with identical signatures

no code implementations20 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.

Math

Invariants of objects and their images under surjective maps

no code implementations22 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.

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