Nelson, Evelyn Semilattices do not have equationally compact hulls. (English) Zbl 0364.06003 Colloq. Math. 34, 1-5 (1975). MSC: 06B05 PDFBibTeX XMLCite \textit{E. Nelson}, Colloq. Math. 34, 1--5 (1975; Zbl 0364.06003) Full Text: DOI
Nelson, Evelyn On the adjointness between operations and relations and its impact on atomic compactness. (English) Zbl 0312.08001 Colloq. Math. 33, 33-40 (1975). MSC: 08A05 PDFBibTeX XMLCite \textit{E. Nelson}, Colloq. Math. 33, 33--40 (1975; Zbl 0312.08001) Full Text: DOI
Nelson, Evelyn Not every equational class of infinitary algebras contains a simple algebra. (English) Zbl 0283.08003 Colloq. Math. 30, 27-30 (1974). MSC: 08Axx 08B99 PDFBibTeX XMLCite \textit{E. Nelson}, Colloq. Math. 30, 27--30 (1974; Zbl 0283.08003) Full Text: DOI
Banaschewski, Bernhard; Nelson, Evelyn Equational compactness in infinitary algebras. (English) Zbl 0255.08001 Colloq. Math. 27, 197-205 (1973). MSC: 08A05 08Axx 08B99 06E05 PDFBibTeX XMLCite \textit{B. Banaschewski} and \textit{E. Nelson}, Colloq. Math. 27, 197--205 (1973; Zbl 0255.08001) Full Text: DOI