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Title: | The classification of serial posets with the non-negative quadratic tits form being principal |
Authors: | Bondarenko, V. Styopochkina, M. |
Keywords: | quiver serial poset principal poset quadratic Tits form semichain minimax equivalence one-side and two-side sums minimax sum |
Issue Date: | 2019 |
Series/Report no.: | Математичні науки; |
Abstract: | Using (introduced by the first author) the method of (min, max)-equivalence, we classify all serial principal posets, i.e. the posets S satisfying the following conditions: (1) the quadratic Tits form qS(z) : Z |S|+1 → Z of S is non-negative; (2) Ker qS(z) := {t| qS(t) = 0} is an infinite cyclic group (equivalently, the corank of the symmetric matrix of qS(z) is equal to 1); (3) for any m ∈ N, there is a poset S(m) ⊃ S such that S(m) satisfies (1), (2) and |S(m) \ S| = m. |
Description: | Bondarenko V. The classification of serial posets with the non-negative quadratic tits form being principal / V. Bondarenko , M .Styopochkina // Algebra and Discrete Mathematics. - 2019. - Vol. 27. - Number 2. - Рp.202 -211 |
URI: | http://hdl.handle.net/123456789/4386 |
Appears in Collections: | Algebra and Discrete Mathematics. - № 2 (27). - 2019 |
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