An SEIR Epidemic Model with Relapse and General Nonlinear Incidence Rate with Application to Media Impact Lianwen WangXingan ZhangZhijun Liu OriginalPaper 21 February 2017 Pages: 309 - 329
On the Periodic Solutions Emerging from the Equilibria of the Hill Lunar Problem with Oblateness M. Teresa de BustosMiguel A. LópezJuan A. Vera OriginalPaper 16 March 2017 Pages: 331 - 344
Gevrey-Smoothness of Elliptic Lower Dimensional Invariant Tori in Hamiltonian Systems Bingfeng WangYanling ShiShunjun Jiang OriginalPaper 27 March 2017 Pages: 345 - 366
A Four-Body Convex Central Configuration with Perpendicular Diagonals is Necessarily a Kite Montserrat CorberaJosep M. CorsGareth E. Roberts OriginalPaper 17 April 2017 Pages: 367 - 374
Positive Periodic Solutions for a Kind of First-Order Singular Differential Equation Induced by Impulses Fanchao KongZhiguo Luo OriginalPaper 19 April 2017 Pages: 375 - 386
Analysis of Degenerate Fold–Hopf Bifurcation in a Three-Dimensional Differential System Gheorghe Tigan OriginalPaper 02 May 2017 Pages: 387 - 402
The Center Problem for the Lotka Reactions with Generalized Mass-Action Kinetics Balázs BorosJosef HofbauerGeorg Regensburger OriginalPaper Open access 13 June 2017 Pages: 403 - 410
A Bifurcation in the Family of Periodic Orbits for the Spatial Isosceles 3 Body Problem Oscar M. Perdomo OriginalPaper 21 June 2017 Pages: 411 - 428
Algebraic Traveling Wave Solutions, Darboux Polynomials and Polynomial Solutions Claudia Valls OriginalPaper 27 June 2017 Pages: 429 - 439
Solving Quaternion Ordinary Differential Equations with Two-Sided Coefficients Zhen Feng CaiKit Ian Kou OriginalPaper 11 July 2017 Pages: 441 - 462
Permanence and Stability of Solutions for Almost Periodic Prey–Predator Model with Impulsive Effects Hui ZhouWen WangLiu Yang OriginalPaper 10 July 2017 Pages: 463 - 474
Box Dimension and Cyclicity of Canard Cycles Renato Huzak OriginalPaper 12 July 2017 Pages: 475 - 493
