Title of article
Not all Epimorphisms are Surjective in the Class of Diagonal Cylindric Algebras
Author/Authors
Ahmed، Tarek Sayed نويسنده Department of Mathematics,Department of Mathematics,Cairo University,Cairo,Egypt ,
Issue Information
ماهنامه با شماره پیاپی سال 2011
Pages
11
From page
198
To page
208
Abstract
Let α be an infinite ordinal. We show that not all epimorphisms are surjective in the class Diα of diagonal cylindric algebras (regarded as a concrete category). It follows that Diα does not have the strong amalgamation property. This answers a question of Pigozzi.
Keywords
di-
agonal algebras , Algebraic logic , amalgmation property , cylindric algebras
Journal title
General Mathematics Notes
Journal title
General Mathematics Notes
Record number
2398794
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