2 papers
math.RA2024
Mal'tsev products of varieties, II
Tomasz Penza, Anna B. Romanowska
The Mal'tsev product of two varieties of the same similarity type is not in general a variety, because it can fail to be closed under homomorphic images. In the previous paper we p…
math.RA2024
Mal'tsev products of varieties, I
Tomasz Penza, Anna B. Romanowska
We investigate the Mal'tsev product of two varieties and of the same similarity type. Such a product is usually a quasiv…