Katetov functors

2014/12/04 by Wiesław Kubiś, Kubiś, Wiesław, Dragan Mašulović +1 · 1 citation
Mathematics · #03C30 #03C50 #18A22 #Advanced Topology and Set Theory #FOS: Mathematics #Homotopy and Cohomology in Algebraic Topology #Logic (math.LO) #Mathematical Dynamics and Fractals

paper · pdf · doi:10.48550/arxiv.1412.1850

openalex publication_date 2014/12/04 · openalex created_date 2024/04/10 · openalex updated_date 2026/07/28

Abstract

We develop a theory of Katetov functors which provide a uniform way of constructing Fraisse limits. Among applications, we present short proofs and improvements of several recent results on the structure of the group of automorphisms and the semigroup of endomorphisms of some Fraisse limits.

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• Fixed points on null and tame flows for groups of automorphisms

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