Polynomial bounds on the gap for type A, Â and tree quivers make nullcone membership polynomial-time solvable, while other quivers have exponentially small gaps and weight margins.
Degree bounds for semi-invariant rings of quivers
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On the gap of quiver representations
Polynomial bounds on the gap for type A, Â and tree quivers make nullcone membership polynomial-time solvable, while other quivers have exponentially small gaps and weight margins.