colored graphs 1lie algebra sl_n action 1multicolored johnson graphs 1schur-weyl duality 1spectral graph theory 1
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math.RA2026
Relative Invariants from Moving Frames on an Extended Manifold
Leonid Bedratyuk
A constructive modification of the moving frame method is developed in this paper for the construction of relative invariants of regular Lie group actions. Let a relative invariant…
math.RA2025
Joint Projective Invariants on First Jet Spaces of Point Configurations via Moving Frames
Leonid Bedratyuk
We consider the action of the projective group on the -fold first-order jet space of point configurations on the plane. Using the method of moving frames, we…
math.RA2025
First order joint differential projective invariants
Leonid Bedratyuk
We present a complete algebraic description of the field of first-order joint projective invariants for configurations of \( n \) points in the plane, under the natural diagonal ac…