Séminaire Lotharingien de Combinatoire, B13e (1985).
[Formerly: Publ. I.R.M.A. Strasbourg, 1986, 316/S-13, p. 9-19.]

Flavio Bonetti and Nino Civolani

Some Operations on Tolerances

Abstract. Studied are conditions in order that the result of an operation (intersection, union, composition) on tolerances be a partition or a partial plane.

The paper has been finally published under the title "On the product of two tolerances" in Ann. Univ. Ferrara Sez. VII (N.S.) 33 (1987), 189-205.