Volume 41, Issue 1 | Algebra universalis

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Volume 41, Issue 1

April 1999

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4 articles in this issue

Flatness, convexity and notions of freeness in combinatorial geometries
K. L. Holland
Pages: 1 - 21
Relativized relation algebras
M. Marx
Pages: 23 - 45
The preservation of Sahlqvist equations in completions of Boolean algebras with operators
S. Givant
Y. Venema
Pages: 47 - 84
On isotone maps on a countable lattice
G. Grätzer
A. Hajnal
Pages: 85 - 86