On the number of invariant lines for polynomial vector fields
Jacek Sokulski; Jacek Sokulski; Department of Mathematics, Polish Academy of Science, ul Sniadeckich 8, 00950 Warsaw, Poland
Журнал:
Nonlinearity
Дата:
1996-03-01
Аннотация:
We prove that the maximal number of isolated invariant lines for a polynomial vector field of degree 4 is 9.
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