theoretical-computer-science / Automata theory

Černý Conjecture for One-Cluster Automata

Does every synchronizing one-cluster automaton on $n$ states admit a reset word of length at most $(n-1)^2$? The new bound $(m-1)(n-1) + m\ell \le (n-1)^2$ settles the one-cluster case of the Černý conjecture.

25Significance / 100
1Frontier events
0Verification tasks
0Recorded attempts

Temporal state

Current frontier

No reconciled state yet.

Append-only history

Frontier timeline

theoretical-computer-scienceJul 25, 2026Significance 25/100Registry: unreviewed

Černý Conjecture for One-Cluster Automata

Prior state unknownproved

Does every synchronizing one-cluster automaton on $n$ states admit a reset word of length at most $(n-1)^2$? The new bound $(m-1)(n-1) + m\ell \le (n-1)^2$ settles the one-cluster case of the Černý conjecture.

SourceReplayReproducedFormal proofStatement auditExternal checkExpert reviewPeer review

Research memory

Claims and attempts

Scoped claims

Source authenticated

Does every synchronizing one-cluster automaton on $n$ states admit a reset word of length at most $(n-1)^2$? The new bound $(m-1)(n-1) + m\ell \le (n-1)^2$ settles the one-cluster case of the Černý conjecture.

Recorded attempts

Evidence graph

Connected research record

No public relationships recorded yet.