Séminaire Lotharingien de Combinatoire, B39f (1997), 20pp.

Helmut Krämer

Inversion of Incidence Mappings

The paper proposes a new technique for calculating the inverses of incidence matrices extending a work by Craver and Jurkat.

Mathematisches Seminar der Universität Hamburg, Bundesstrasse 55, D-20146 Hamburg

Received: June 30, 1998; Accepted: December 14, 1998.

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