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math.QA2007
On pointed Hopf algebras associated with the Mathieu simple groups
Fernando Fantino
Let G be a Mathieu simple group, s in G, O_s the conjugacy class of s and ρan irreducible representation of the centralizer of s. We prove that either the Nichols algebra B(O_s,ρ)…
math.QA2007★ 20 cited
On pointed Hopf algebras associated with alternating and dihedral groups
Nicolás Andruskiewitsch, Fernando Fantino
We classify finite-dimensional complex pointed Hopf algebra with group of group-like elements isomorphic to A_5. We show that any pointed Hopf algebra with infinitesimal braiding a…