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Skew-symmetric vanishing lattices and their monodromy groups

✍ Scribed by W. A. M. Janssen


Publisher
Springer
Year
1983
Tongue
English
Weight
850 KB
Volume
266
Category
Article
ISSN
0025-5831

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The present paper investigates the groups of automorphisms for some lattices of modal logics. The main results are the following. The lattice of normal extensions of S4.3, NExt S4:3, has exactly two automorphisms, NExt K:alt1 has continuously many automorphisms. Moreover, any automorphism of NExt S4