On serial posets with positive-definite quadratic Tits form

Nonlinear Oscillations - Tập 9 - Trang 312-316 - 2006
V. M. Bondarenko1, M. V. Stepochkina2
1Institute of Mathematics, Ukrainian National Academy of Sciences, Kyiv
2Shevchenko Kyiv National University, Kyiv

Tóm tắt

We describe all serial posets with positive-definite quadratic Tits form and prove that any poset of order greater than 7 with positive-definite Tits form is serial.

Tài liệu tham khảo

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