Ziegler pairs of plane arrangements in P^3 have isomorphic intersection lattices but different Betti numbers for Jacobian algebra resolutions and relate to cones over Ziegler pairs of line arrangements in P^2.
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On the Jacobian algebras of Ziegler pairs of plane arrangements
Ziegler pairs of plane arrangements in P^3 have isomorphic intersection lattices but different Betti numbers for Jacobian algebra resolutions and relate to cones over Ziegler pairs of line arrangements in P^2.