| Year |
Citation |
Score |
| 2019 |
García IA, Maza S, Shafer DS. Center cyclicity of Lorenz, Chen and Lü systems Nonlinear Analysis-Theory Methods & Applications. 188: 362-376. DOI: 10.1016/J.Na.2019.06.012 |
0.317 |
|
| 2018 |
García IA, Maza S, Shafer DS. Cyclicity of polynomial nondegenerate centers on center manifolds Journal of Differential Equations. 265: 5767-5808. DOI: 10.1016/J.Jde.2018.07.019 |
0.426 |
|
| 2016 |
García IA, Shafer DS. Cyclicity of a class of polynomial nilpotent center singularities Discrete and Continuous Dynamical Systems- Series A. 36: 2497-2520. DOI: 10.3934/Dcds.2016.36.2497 |
0.341 |
|
| 2016 |
Romanovski VG, Shafer DS. Complete integrability and time-reversibility of some 3-dim systems Applied Mathematics Letters. 51: 27-33. DOI: 10.1016/J.Aml.2015.07.006 |
0.365 |
|
| 2015 |
Ferčec B, Levandovskyy V, Romanovski VG, Shafer DS. Bifurcation of critical periods of polynomial systems Journal of Differential Equations. 259: 3825-3853. DOI: 10.1016/J.Jde.2015.05.004 |
0.38 |
|
| 2013 |
Mahdi A, Romanovski VG, Shafer DS. Stability and periodic oscillations in the Moon-Rand systems Nonlinear Analysis: Real World Applications. 14: 294-313. DOI: 10.1016/J.Nonrwa.2012.06.005 |
0.418 |
|
| 2013 |
García IA, Maza S, Shafer DS. Properties of Monodromic Points on Center Manifolds in ℝ3 via Lie Symmetries Journal of Dynamics and Differential Equations. 25: 981-1000. DOI: 10.1007/S10884-013-9326-1 |
0.379 |
|
| 2012 |
Edneral VF, Mahdi A, Romanovski VG, Shafer DS. The center problem on a center manifold in ℝ 3 Nonlinear Analysis, Theory, Methods and Applications. 75: 2614-2622. DOI: 10.1016/J.Na.2011.11.006 |
0.443 |
|
| 2012 |
Shafer DS. Symbolic computation and the cyclicity problem for singularities Journal of Symbolic Computation. 47: 1140-1153. DOI: 10.1016/J.Jsc.2011.12.037 |
0.363 |
|
| 2012 |
Chen X, Giné J, Romanovski VG, Shafer DS. The 1: -q resonant center problem for certain cubic Lotka-Volterra systems Applied Mathematics and Computation. 218: 11620-11633. DOI: 10.1016/J.Amc.2012.05.045 |
0.332 |
|
| 2011 |
Mahdi A, Pessoa C, Shafer DS. Centers on center manifolds in the Lü system Physics Letters, Section a: General, Atomic and Solid State Physics. 375: 3509-3511. DOI: 10.1016/J.Physleta.2011.08.022 |
0.333 |
|
| 2009 |
Levandovskyy V, Romanovski VG, Shafer DS. The cyclicity of a cubic system with nonradical Bautin ideal Journal of Differential Equations. 246: 1274-1287. DOI: 10.1016/J.Jde.2008.07.026 |
0.331 |
|
| 2008 |
Romanovski VG, Shafer DS. On the Center Problem for $p:-q$ Resonant Polynomial Vector Fields Bulletin of the Belgian Mathematical Society-Simon Stevin. 15: 871-887. DOI: 10.36045/Bbms/1228486413 |
0.311 |
|
| 2008 |
Hu Z, Romanovski VG, Shafer DS. 1 : - 3 resonant centers on C2 with homogeneous cubic nonlinearities Computers and Mathematics With Applications. 56: 1927-1940. DOI: 10.1016/J.Camwa.2008.04.009 |
0.333 |
|
| 2005 |
García IA, Shafer DS. Integral invariants and limit sets of planar vector fields Journal of Differential Equations. 217: 363-376. DOI: 10.1016/J.Jde.2005.06.022 |
0.326 |
|
| 2005 |
Jarque X, Llibre J, Shafer DS. Structural stability of planar polynomial foliations Journal of Dynamics and Differential Equations. 17: 573-587. DOI: 10.1007/S10884-005-5812-4 |
0.403 |
|
| 2004 |
Shafer DS. Weak Singularities of Planar Vector Fields Under Weak Perturbation Journal of Dynamics and Differential Equations. 16: 65-90. DOI: 10.1023/B:Jody.0000041281.28941.6E |
0.313 |
|
| 2002 |
Shafer DS, Zegeling A. Vertices of planar curves under the action of linear transformations Journal of Geometry. 73: 148-175. DOI: 10.1007/S00022-002-8589-1 |
0.314 |
|
| 2002 |
Shafer DS, Zegeling A. Geometry of cycles in quadratic systems Qualitative Theory of Dynamical Systems. 3: 251-274. DOI: 10.1007/Bf02969340 |
0.364 |
|
| 2000 |
Shafer DS, Zegeling A. Any two quadratic cycles can be connected with a smooth arc Comptes Rendus De L'Academie Des Sciences - Series I: Mathematics. 330: 35-40. DOI: 10.1016/S0764-4442(00)88141-0 |
0.325 |
|
| 1996 |
Shafer DS, Wu X, Zegeling A. A numerical approach to bifurcations from quadratic centers Journal of Mathematical Analysis and Applications. 202: 90-107. DOI: 10.1006/Jmaa.1996.0304 |
0.329 |
|
| 1992 |
Rothe F, Shafer DS. Multiple bifurcation in a predator–prey system with nonmonotonic predator response Proceedings of the Royal Society a: Mathematical, Physical and Engineering Sciences. 120: 313-347. DOI: 10.1017/S0308210500032169 |
0.348 |
|
| 1990 |
Shafer DS. Structure and stability of gradient polynomial vector fields Journal of the London Mathematical Society. 109-121. DOI: 10.1112/Jlms/S2-41.1.109 |
0.35 |
|
| 1990 |
Dumortier F, Shafer DS. Restrictions on the Equivalence Homeomorphism in Stability of Polynomial Vector Fields Journal of the London Mathematical Society-Second Series. 100-108. DOI: 10.1112/Jlms/S2-41.1.100 |
0.367 |
|
| 1987 |
Shafer DS, Swanson RC, Walker RB. Topological hyperbolicity and the Coleman Conjecture for diffeomorphisms Journal of Differential Equations. 69: 149-165. DOI: 10.1016/0022-0396(87)90114-8 |
0.368 |
|
| 1986 |
Shafer DS, Swanson RC, Walker RB. Topological conjugacy of singularities of vector fields Topology. 25: 521-539. DOI: 10.1016/0040-9383(86)90029-7 |
0.381 |
|
| 1983 |
Chicone C, Shafer DS. Separatrix and limit cycles of quadratic systems and dulac’s theorem Transactions of the American Mathematical Society. 278: 585-612. DOI: 10.1090/S0002-9947-1983-0701513-X |
0.308 |
|
| 1983 |
Shafer DS. Singularities of gradient vectorfields in R3 Journal of Differential Equations. 47: 317-326. DOI: 10.1016/0022-0396(83)90039-6 |
0.302 |
|
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