Extended Galois theory and dissonant morphisms

DOI10.1016/S0022-4049(98)00113-3zbMath0936.18006OpenAlexW2056269838MaRDI QIDQ1818633

Walter Tholen, George Janelidze

Publication date: 14 May 2000

Published in: Journal of Pure and Applied Algebra (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0022-4049(98)00113-3

zbMATH Keywords

descent morphismcategorical Galois theorysplit object

Mathematics Subject Classification ID

Covering spaces and low-dimensional topology (57M10) Adjoint functors (universal constructions, reflective subcategories, Kan extensions, etc.) (18A40) Special categories (18B99) Epimorphisms, monomorphisms, special classes of morphisms, null morphisms (18A20) General theory of categories and functors (18A99) Factorization systems, substructures, quotient structures, congruences, amalgams (18A32) Groupoids, semigroupoids, semigroups, groups (viewed as categories) (18B40) Galois theory and commutative ring extensions (13B05)

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