I. Kogan

activity

20052024

most citedInductive Approach to Cartan's Moving Frame Method with Applications to Classical Invariant Theory

12 citations · 24 across the 15 of their papers we have counts for

collaborators

Showing 2019Show all

3 papers · 1 filter

math.DG2019★ 4 cited

Non-congruent non-degenerate curves with identical signatures

Eric Geiger, Irina A. Kogan

While the equality of differential signatures (Calabi et al, Int. J. Comput. Vis. 26: 107-135, 1998) is known to be a necessary condition for congruence, it is not sufficient (Muss…

math.DG2019★ 12 cited

Inductive Approach to Cartan's Moving Frame Method with Applications to Classical Invariant Theory

Irina Kogan

This thesis is devoted to algorithmic aspects of the implementation of Cartan's moving frame method to the problem of the equivalence of submanifolds under a Lie group action. We a…

math.AP2019

A mixed boundary value problem for $u_{x y} = f (x, y, u, u_{x}, u_{y})$

Helge Kristian Jenssen, Irina A. Kogan

Consider a single hyperbolic PDE $u_{x y} = f (x, y, u, u_{x}, u_{y})$ , with locally prescribed data: $u$ along a non-characteristic curve $M$ and $u_{x}$ along a non-characteristic curve $N$ . W…

Non-congruent non-degenerate curves with identical signatures

Inductive Approach to Cartan's Moving Frame Method with Applications to Classical Invariant Theory

A mixed boundary value problem for uxy​=f(x,y,u,ux​,uy​)

A mixed boundary value problem for $u_{x y} = f (x, y, u, u_{x}, u_{y})$