research
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03/16/2022
On the complexity of the word problem of the R. Thompson group V
We analyze the proof by Lehnert and Schweitzer that the word problem of ...
research
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12/04/2021
The symmetric Post Correspondence Problem, and errata for the freeness problem for matrix semigroups
We define the symmetric Post Correspondence Problem (PCP) and prove that...
research
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11/16/2021
Evaluation problems for the Thompson group and the Brin-Thompson group, and their relation to the word problem
The Thompson group V, as well as the Brin-Thompson group 2V, is finitely...
research
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02/11/2019