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math.GT2019
Topology of the icosidodecahedral arrangement
Ye Liu
The icosidodecahedral arrangement is introduced by M. Yoshinaga (arXiv:1902.06256) as the first known example that is a hyperplane arrangement whose Milnor fiber has torsions in fi…
math.GT2019
Holonomy Lie algebra of a geometric lattice
Weili Guo, Ye Liu
Motivated by Kohno's result on the holonomy Lie algebra of a hyperplane arrangement, we define the holonomy Lie algebra of a finite geometric lattice in a combinatorial way. For a…