Oversmoothing in neural sheaf diffusion is reframed as representation degeneration in the incidence-quiver harmonic space, with moment-map regularizers and non-uniform stalk dimensions proposed to avoid it.
Neural Sheaf Diffusion: A Topological Perspective on Heterophily and Oversmoothing in
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Oversmoothing as Representation Degeneracy in Neural Sheaf Diffusion
Oversmoothing in neural sheaf diffusion is reframed as representation degeneration in the incidence-quiver harmonic space, with moment-map regularizers and non-uniform stalk dimensions proposed to avoid it.