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"The membership problem for subsemigroups of GL2(Z) is NP-complete."
Paul C. Bell, Mika Hirvensalo, Igor Potapov (2024)
- Paul C. Bell
, Mika Hirvensalo, Igor Potapov
:
The membership problem for subsemigroups of GL2(Z) is NP-complete. Inf. Comput. 296: 105132 (2024)

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