arXiv 2018-08-05 EN Limit cycles appearing from perturbations of cubic piecewise smooth center with double invariant real straight lines Yang, Jihua · Zhao, Liqin
arXiv 2016-12-30 EN Irreducibility of the Picard-Fuchs equation related to the Lotka-Volterra polynomial x² y²(1-x-y) Gavrilov, Lubomir
arXiv 2015-10-03 EN Limit cycles for a class of Z₂ₙ-equivariant systems without infinite equilibria Labouriau, Isabel S. · Murza, Adrian C.
arXiv 2015-03-16 EN Unfoldings of saddle-nodes and their Dulac time Mardesić, Pavao · Marín, David · Saavedra, Mariana · Villadelprat, Jordi
arXiv 2014-11-28 EN An inverse approach to the center-foci problem Ramírez, Rafael · Ramírez, Valentín
arXiv 2014-06-01 EN Cubic perturbations of elliptic Hamiltonian vector fields of degree three Gavrilov, Lubomir · Iliev, Iliya D.
arXiv 2014-01-21 EN Perturbations of symmetric elliptic Hamiltonians of degree four in a complex domain Hamed, Bassem Ben · Gargouri, Ameni · Gavrilov, Lubomir
arXiv 2013-06-10 EN Perturbations of quadratic Hamiltonian two-saddle cycles Gavrilov, Lubomir · Iliev, Iliya D.
arXiv 2009-12-07 EN Extension aux cycles singuliers du theoreme de Khovanski-Varchenko Mourtada, Abderaouf
arXiv 2007-02-26 EN On Center Sets of ODEs Determined by Moments of their Coefficients Brudnyi, Alexander