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Galois stratification and ACFA [PDF]

open access: yes, 2015
Tomašić, I., Tomasic, I
core   +1 more source

Hopf–Galois Structures, Skew Braces, and Their Connection

open access: yes
The study of Hopf–Galois structures, tools for addressing classical problems in arithmetic or field theory in a broader context, has been enriched by an unexpected connection with skew braces, algebraic structures whose relevance in various areas of ...
STEFANELLO, LORENZO
core  

A Galois connection for valued constraint languages of infinite size

open access: yes
A Galois connection between clones and relational clones on a fixed finite domain is one of the cornerstones of the so-called algebraic approach to the computational complexity of non-uniform Constraint Satisfaction Problems (CSPs).
Živný, Stanislav, Fulla, Peter
core  

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