On the canonical subdirect decomposition of a join semilattice
Juhani Nieminen · Czech digital mathematics library · 1972
Tampere -»• Introduction.By a subdireet union of the algebras A^ ( Q> € P ) a aubalgebra R of the direct union TT ( k^\ Jfi e "P ) ia meant, having the property that.f^CR)* *-h~, for every decomposition homomorphism £^ of TT (A^'j, rji e P ) .It is said that the algebra A ean be represented as the subdireet union of the algebras A^ if