2 citations · 3 across the 4 of their papers we have counts for
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math.GM2006
On the problem of M-hyperquasivarieties
Ewa Graczynska
The aim of the paper is to present a solution of the problem 32 posed by K. Denecke, S.L. Wismath in: {\it Hyperidentities and clones}, Logic and Applications Vol. 14, Gordon and B…
math.LO2006★ 2 cited
The dimension of a variety
Ewa Graczyńska, Dietmar Schweigert
We invent the notion of a {\it dimension of a variety} as the cardinality of all its proper {\it derived} subvarieties (of the same type). The dimensions of varieties of lattic…