The trivial-range conjecture for restriction automorphisms of superextensions
The trivial-range conjecture for restriction automorphisms of superextensions
Let be a finite monogenic semigroup, let denote the corresponding semigroup appearing in the restriction, let denote the superextension of a semigroup , and let denote the automorphism group of a group . For , , define the restriction operator
Trivial-range conjecture. The restriction operator has trivial range. The conjecture concerns the restriction of automorphisms from the superextension of to that of ; the source gives no resolution beyond the computed examples.
Sources & referencesView supporting material
Primary source
Taras Banakh and Volodymyr Gavrylkiv, “Automorphism groups of superextensions of finite monogenic semigroups”, arXiv:1908.00791 (2019).
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