Geodesic
Isomorphisms of lattices of subalgebras of the semifield of continuous positive functions with max-addition
Sibirskie èlektronnye matematičeskie izvestiâ, Tome 16 (2019), pp. 1493-1530.

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Let $\mathbb{P}^{\vee}$ be the semifield of positive real numbers with operations of max-addition and multiplication and $U^{\vee}(X)$ be the semifield of continuous $\mathbb{P}^{\vee}$-valued functions on an arbitrary topological space $X$ with pointwise operation max-addition and multiplication. We call a subset $A\subseteq U^{\vee}(X)$ a subalgebra if $f\vee g,$ $fg,$ $rf\in A$ for any $f, g\in A,$ $r\in\mathbb{P}^{\vee}.$ We describe isomorphisms of lattices of subalgebras of semifields $U^{\vee}(X).$
Keywords: semifield of continuous functions, lattice of subalgebras, Hewitt space, max-addition.
Mots-clés : subalgebra, isomorphism 
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V. V. Sidorov. Isomorphisms of lattices of subalgebras of the semifield of continuous positive functions with max-addition. Sibirskie èlektronnye matematičeskie izvestiâ, Tome 16 (2019), pp. 1493-1530. http://geodesic.mathdoc.fr/item/SEMR_2019_16_a24/

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