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Homological Algebra: The Interplay Of Homology With Distributive Lattices And Orthodox Semigroups

World Scientific,
E-Book ( PDF mit Adobe DRM )
In Ihrem Land nicht verfügbar

Kurzbeschreibung

In this book we want to explore aspects of coherence in homological algebra, that already appear in the classical situation of abelian groups or abelian categories. Lattices of subobjects are shown to play an important role in the study of homological systems, from simple chain complexes to all the structures that give rise to spectral sequences. A parallel role is played by semigroups of endorelations.These links rest on the fact that many such systems, but not all of them, live in distributive sublattices of the modular lattices of subobjects of the system.The property of distributivity allows one to work with induced morphisms in an automatically consistent way, as we prove in a 'Coherence Theorem for homological algebra'. (On the contrary, a 'non-distributive' homological structure like the bifiltered chain complex can easily lead to inconsistency, if one explores the interaction of its two spectral sequences farther than it is normally done.)The same property of distributivity also permits representations of homological structures by means of sets and lattices of subsets, yielding a precise foundation for the heuristic tool of Zeeman diagrams as universal models of spectral sequences.We thus establish an effective method of working with spectral sequences, called 'crossword chasing', that can often replace the usual complicated algebraic tools and be of much help to readers that want to apply spectral sequences in any field.

Details

Titel: Homological Algebra: The Interplay Of Homology With Distributive Lattices And Orthodox Semigroups
Autoren/Herausgeber: Marco Grandis

ISBN/EAN: 9789814407076

Seitenzahl: 384
Produktform: E-Book
Sprache: Englisch

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