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Aggregation on a Finite Lattice

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Abstract

In this paper a result of B. Leclerc and B. Monjardet concerning meet-projections in finite congruence-simple atomistic lattices is generalized. We prove that the result remains valid for any finite tolerance-simple lattice; moreover, we extend it to a type of subdirect product of such lattices, introducing the notion of a generalized oligarchy.

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Correspondence to Sándor Radeleczki.

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Janowitz, M.F., Radeleczki, S. Aggregation on a Finite Lattice. Order 33, 371–388 (2016). https://doi.org/10.1007/s11083-015-9373-9

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