Minimax isomorphism algorithm and primitive posets

Vitalij M. Bondarenko


The notion of  minimax equivalence  of posets,  and a close notion of minimax isomorphism, introduced by the author are widely used in the study of quadratic  Tits forms (in particular,  for the description of \(P\)-critical and \(P\)-supercritical posets). In this paper, for an important special case, we modify an algorithm of classifying all posets minimax isomorphic to a given one (described earlier by the author together with M.V.Stepochkina) by introducing the concept of weak isomorphism.


critical poset, quadratic Tits form, minimax equivalence, weak isomorphism

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