Abstract.
We show that if a variety V of monotone lattice expansions is finitely generated, then profinite completions agree with canonical extensions on V. The converse holds for varieties of finite type.
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This paper is dedicated to Walter Taylor.
Received May 14, 2005; accepted in final form September 8, 2005.
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Harding, J. On profinite completions and canonical extensions. Algebra univers. 55, 293–296 (2006). https://doi.org/10.1007/s00012-006-1969-x
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DOI: https://doi.org/10.1007/s00012-006-1969-x