Oliver's Schur multiplier conjecture for saturated fusion systems
Oliver's Schur multiplier conjecture for saturated fusion systems
Let be a saturated fusion system and let be its associated centric linking system. The Schur multiplier of is the group associated to the kernel of the canonical morphism , and denotes that kernel.
Oliver's Schur multiplier conjecture. is isomorphic to a subgroup of the Schur multiplier of .
This extends an open question of Oliver asking whether is injective for fusion systems arising from finite -perfect groups whose Schur multiplier has odd order. The source presents the assertion as an open question related to the paper's results.
Sources & referencesView supporting material
Primary source
Jonathon Villareal, “Rigid automorphisms of linking systems of finite groups of Lie type”, arXiv:2509.21139 (2026).
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