Helmut Länger

Learn More
Motivated by cryptography, permutations induced by polynomial functions on finite lattices L = (L, ∨, ∧, *) with an antitone involution * are investigated. These permutations together with the operation of composition form a subgroup of the symmetric group on L. We describe the structure of this subgroup for different classes of lattices L and indicate(More)
The probability p(s) of the occurrence of an event pertaining to a physical system which is observed in different states s determines a function p from the set S of states of the system to [0, 1]. The function p is called a numerical event or multidimensional probability. When appropriately structured, sets P of numerical events form so-called algebras of(More)