Test sets for equality of terms in the additive structure of ordinals augmented with right multiplication by \(\omega \) Christian ChoffrutSerge Grigorieff OriginalPaper 20 July 2020 Article: 45
Lattice universality of locally finite 2-groups Vladimir B. Repnitskiǐ OriginalPaper 20 July 2020 Article: 44
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Essential adjunction of a strong unit to an archimedean lattice-ordered group Anthony W. HagerPhilip Scowcroft OriginalPaper 22 June 2020 Article: 37
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Semilattice sums of algebras and Mal’tsev products of varieties C. BergmanT. PenzaA. B. Romanowska OriginalPaper 20 May 2020 Article: 33
Perfect locales and localic real functions Javier Gutiérrez GarcíaTomasz KubiakJorge Picado OriginalPaper 17 May 2020 Article: 32
A non-finitely based involution semigroup of order five Meng GaoWen Ting ZhangYan Feng Luo OriginalPaper 14 May 2020 Article: 31
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