Browsing by Subject "Iterated integrals"
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(2014)It is known that the Principal Poincar´e Pontryagin Function is generically an Abelian integral. We give a sufficient condition on monodromy to ensure that it is an Abelian integral also in non generic cases. In non ...
(2011)In this paper, we study unfoldings of the Hamiltonian triangle vector field within quadratic vector fields. We complete and correct some previous results of Żołądek