On the structure of the totally ordered set of unimodal cycles.
Mulvey, Irene (2001)
International Journal of Mathematics and Mathematical Sciences
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Mulvey, Irene (2001)
International Journal of Mathematics and Mathematical Sciences
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Bernhardt, Chris (2003)
International Journal of Mathematics and Mathematical Sciences
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Naeem Alkoumi, Pedro J. Torres (2011)
Czechoslovak Mathematical Journal
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New results are proved on the maximum number of isolated -periodic solutions (limit cycles) of a first order polynomial differential equation with periodic coefficients. The exponents of the polynomial may be negative. The results are compared with the available literature and applied to a class of polynomial systems on the cylinder.
John L. Simons (2008)
Acta Arithmetica
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Eduardo Sáez, Eduardo Stange, Iván Szántó (2007)
Czechoslovak Mathematical Journal
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A class of degree four differential systems that have an invariant conic , , is examined. We show the coexistence of small amplitude limit cycles, large amplitude limit cycles, and invariant algebraic curves under perturbations of the coefficients of the systems.
Gleiss, Petra M., Leydold, Josef, Stadler, Peter F. (2000)
The Electronic Journal of Combinatorics [electronic only]
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Hong Wang (2012)
Discussiones Mathematicae Graph Theory
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We prove that if G is a graph of order 5k and the minimum degree of G is at least 3k then G contains k disjoint cycles of length 5.
Liu, Zhi-cong, Feng, Bei-ye (2004)
Applied Mathematics E-Notes [electronic only]
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J. Węgrzyn (1971)
Applicationes Mathematicae
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