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This work covers the maximal and prime ideals of the incidence algebra, derivations and isomorphisms, radicals and additional ring-theoretic properties. Combinatorial discussions include a study of the Mobius function, reduced incidence subalgebras, and the coalgebra approach to incidence algebras.;College or university bookstores may order five or more copies for a special student price, which is available on request from Marcel Dekker.
Table of Contents
Incidence algebras; the Mobius function; reduced incidence algebras; radicals; maximal ideals; minimal prime ideals; derivations and isomorphisms; ring-theoretic properties; lists of symbols.
Spiegel\, Eugene; O'Donnell\, Christopher