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Topological Methods in Nonlinear Analysis
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Found 81 items.
Periodic solutions for second order singular differential systems with parameters
Fanglei Wang, Jifeng Chu, Stefan Siegmund
549 - 562
2015-12-01
On some applications of convolution to linear differential equations with Levitan almost periodic coefficients
Adam Nawrocki
489 - 512
2017-09-16
Multiple solutions with prescribed minimal period for second order odd Newtonian systems with symmetries
Wiesław Krawcewicz, Yanli Lv, Huafeng Xiao
659 - 679
2016-06-01
Periodic solutions of singular equations
Antonio Ureña
55 - 72
2016-03-01
Periodic solutions for a singular Liénard equation with indefinite weight
Shiping Lu, Runyu Xue
203 - 218
2019-07-13
Asymptotically almost periodic solutions of limit periodic difference systems with coefficients from commutative groups
Petr Hasil, Michal Veselý
515 - 535
2019-07-27
Periodic bifurcation problems for fully nonlinear neutral functional differential equations via an integral operator approach: the multidimensional degeneration case
Jean-Francois Couchouron, Mikhail I. Kamenskii, Boris Mikhaylenko, Paolo Nistri
631 - 664
2015-12-01
Nielsen number, impulsive differential equations and problem of Jean Leray
Jan Andres
383 - 400
2020-08-27
Nonzero solutions of perturbed Hammerstein integral equations with deviated arguments and applications
Alberto Cabada, Gennaro Infante, Fernando Adrian Tojo
265 - 287
2016-03-01
Periodic solutions of vdP and vdP-like systems on 3-Tori
Zalman Balanov, Edward Hooton, Adrian Murza
253 - 268
2017-08-19
On time-periodic solutions of some nonlinear parabolic equations with nonmonotone multivalued terms
Mitsuharu Otani, Vasile Staicu
1075 - 1092
2019-12-01
Coincidence degree methods in almost periodic differential equations
Liangping Qi, Rong Yuan
185 - 216
2017-08-19
Ground state solutions for a class of semilinear elliptic systems with sum of periodic and vanishing potentials
Guofeng Che, Haibo Chen
215 - 242
2017-11-25
Solutions to a nonlinear Schrödinger equation with periodic potential and zero on the boundary of the spectrum
Jarosław Mederski
755 - 772
2015-12-01
Infinitely many periodic solutions of Duffing equations under integral condition
Nannan Zheng, Zaihong Wang
297 - 315
2020-12-18
Periodic solutions for the non-local operator $(-\Delta+m^{2})^{s}-m^{2s}$ with $m\geq 0$
Vincenzo Ambrosio
75 - 103
2016-10-05
Periodic solutions to singular second order differential equations: the repulsive case
Robert Hakl, Pedro J. Torres, Manuel Zamora
199 - 220
2012-04-23
Periodic solutions of the perturbed symmetric Euler top
Adriana Buică, Isaac A. García
91 - 100
2010-04-23
On existence of periodic solutions for Kepler type problems
Pablo Amster, Julián Haddad
465 - 476
2016-08-17
Multiple periodic solutions for one-sided sublinear systems: A refinement of the Poincaré-Birkhoff approach
Tobia Dondè, Fabio Zanolin
565 - 581
2020-05-31
Existence of periodic solution for a tumor growth model with vaccine interaction
Canan Çelik, Nigar Özarslan Tuncer
37 - 49
2019-12-25
Existence of periodic solutions for $p$-Laplacian neutral functional equation with multiple deviating arguments
Tian Xiang, Rong Yuan
235 - 258
2011-04-23
Periodic solutions of perturbed Hamiltonian systems in the plane by the use of the Poincaré-Birkhoff theorem
Alessandro Fonda, Marco Sabatini, Fabio Zanolin
29 - 52
2012-04-23
A continuation lemma and the existence of periodic solutions of perturbed planar Hamiltonian systems with sub-quadratic potentials
Zaihong Wang, Tiantian Ma
693 - 706
2018-11-24
A predator-prey model of Holling-type II with state dependent impulsive effects
Changming Ding, Zhongxin Zhang
247 - 259
2015-09-01
Almost periodic solutions of evolution equations
Sergey Ponomarev, Jean-Franҫois Couchouron, Mikhail I. Kamenskiĭ
65 - 87
2017-07-07
A periodic bifurcation problem depending on a random variable
Mikhail I. Kamenskiĭ, Paolo Nistri, Paul Raynaud de Fitte
979 - 999
2019-07-27
Hopf-bifurcation theorem and stability for the magneto-hydrodynamics equations
Weiping Yan
471 - 493
2015-09-01
Multiple periodic solutions of Hamiltonian systems in the plane
Alessandro Fonda, Luca Ghirardelli
27 - 38
2010-04-23
Guiding functions and global bifurcation of periodic solutions of functional differential inclusions with infinite delay
Nguyen Van Loi
359 - 372
2012-04-23
Subharmonic solutions and minimal periodic solutions of first-order variant subquadratic Hamiltonian systems
Shanshan Tang, Xiaofei Zhang
517 - 532
2020-06-07
Eight positive periodic solutions to three species non-autonomous Lotka-Volterra cooperative systems with harvesting terms
Yongkun Li, Kaihong Zhao
225 - 234
2011-04-23
Note on periodic solutions of relativistic pendulum type systems
Kazuya Hata, Jiaquan Liu, Zhi-Qiang Wang
417 - 425
2013-04-22
Periodic solutions to nonlinear equations with oblique boundary conditions
Walter Allergretto, Duccio Papini
225 - 243
2012-04-23
On the existence of periodic solutions for a class of non-autonomous differential delay equations
Rong Cheng, Junxiang Xu, Dongfebg Zhang
139 - 154
2010-04-23
Impact of discontinuous treatments on the generalized epidemic model
Fanchao Kong, Juan J. Nieto
349 - 378
2020-08-29
Relative index theories and applications
Chungen Liu
587 - 614
2017-02-08
An application of coincidence degree theory to cyclic feedback type systems associated with nonlinear differential operators
Guglielmo Feltrin, Fabio Zanolin
683 - 726
2017-10-28
Braid invariants and instability of periodic solutions of time-periodic $2$-dimensional ODE's
Takashi Matsuoka
261 - 274
1999-12-01
Planar nonautonomous polynomial equations III. Zeros of the vector field
Paweł Wilczyński
71 - 110
2012-04-23
Periodic solutions of fractional Laplace equations: Least period, axial symmetry and limit
Zhenping Feng, Zhuoran Du
633 - 651
2022-12-10
Existence and nonexistence of positive periodic solutions to a differential inclusion
Yuqiang Feng, Ping Tong
449 - 459
2013-04-22
Existence of non-collision periodic solutions for second order singular dynamical systems
Shuqing Liang
127 - 137
2010-04-23
Periodic solutions with irrational frequency for a class of semilinear wave equations with variable coefficients
Hui Wei
625 - 641
2023-12-31
Harmonic perturbations with delay of periodic separated variables differential equations
Luca Bisconti, Marco Spadini
261 - 281
2015-09-01
Two homoclinic orbits for some second-order Hamiltonian systems
Patricio Cerda, Luiz F.O. Faria, Eduard Toon, Pedro Ubilla
427 - 444
2019-09-25
Symmetric systems of Van Der Pol equations
Zolman Balanov, Meymanat Farzamirad, Wiesław Krawcewicz
29 - 90
2006-03-01
Periodic solutions of ordinary differential equations with bounded nonlinearities
James Robert Ward
275 - 282
2002-06-01
Periodic solutions of a forced relativistic pendulum via twist dynamics
Stefano Marò
51 - 75
2013-04-22
Existence of periodic traveling-wave solutions for a nonlinear Schrödinger system: A topological approach
Nghiem V. Nguyen
129 - 155
2016-04-12
Averaging method for neutral differential equations in finite dimension
Jean-Franҫois Couchouron, Mikhail I. Kamenskiĭ
221 - 233
2010-04-23
Forced oscillations in strongly damped beam equation
Aleksander Ćwiszewski
259 - 282
2011-04-23
Forced singular oscillators and the method of lower and upper solutions
Denis Bonheure, Colette De Coster
297 - 317
2003-12-01
Symmetric homoclinic solutions to the periodic orbits in the Michelson system
Daniel Wilczak
155 - 170
2006-09-01
Periodic solutions of superlinear and sublinear state-dependent discontinuous differential equations
Juan J. Nieto, José M. Uzal
79 - 96
2021-09-12
On the existence of periodic solutions for Liénard type $\phi$-Laplacian equation
Congmin Yang, Zaihong Wang
219 - 237
2023-09-23
Periodic solutions of a kind of Liénard equations with two deviating arguments
Tiantian Ma
337 - 348
2016-04-12
Twin positive periodic solutions of second order singular differential systems
Xiaoning Lin, Daqing Jiang, Donal O'Regan, Ravi P. Agarwal
263 - 273
2005-06-01
Multiple periodic solutions of asymptotically linear Hamiltonian systems via Conley index theory
Guihua Fei
89 - 114
2004-03-01
Existence and multiplicity results for wave equations with time-independent nonlinearity
Juha Berkovits, Herbert Leinfelder, Vesa Mustonen
273 - 295
2003-12-01
Homoclinic solutions of difference equations with variable exponents
Mihai Mihăilescu, Vicenţiu D. Rădulescu, Stepan Tersian
277 - 289
2011-04-23
Nonlinear eigenvalue problems admitting eigenfunctions with known geometric properties
Michael Heid, Hans-Peter Heinz
17 - 51
1999-03-01
Bifurcation of periodic solutions of the Navier-Stokes equations in a thin domain
Russell Johnson, Paolo Nistri, Mikhail I. Kamenskiĭ
281 - 300
1999-06-01
Integrability of the derivative of solutions to a singular one-dimensional parabolic problem
Atsushi Nakayasu, Piotr Rybka
239 - 257
2018-08-04
Periodic solutions to reversible second order autonomous systems with commensurate delays
Zalman Balanov, Fulai Chen, Jing Guo, Wiesław Krawcewicz
475 - 498
2021-06-07
Multiple periodic solutions for autonomous conservative systems
Silvia Cingolani, Monica Lazzo
159 - 167
1999-09-01
Periodic solutions for systems of functional-differential semilinear equations at resonance
Pablo Amster, Julián Epstein, Arturo Sanjuán Cuéllar
591 - 607
2021-12-05
Periodic solutions of differential inclusions with retards
Grzegorz Gabor, Radosław Pietkun
103 - 123
2000-09-01
Non-collision periodic solutions of prescribed energy problem for a class of singular Hamiltonian systems
Shinji Adachi
275 - 296
2005-06-01
Heteroclinic solutions between stationary points at different energy levels
Vittorio Coti Zelati, Paul H. Rabinowitz
1 - 21
2001-03-01
Multibump periodic solutions of a family of Hamiltonian systems
Vittorio Coti Zelati, Paul H. Rabinowitz
31 - 57
1994-09-01
Periodic solutions for nonlinear differential systems: the second order bifurcation function
Adriana Buică, Jaume Giné, Jaume Llibre
403 - 419
2016-04-12
An approximative scheme of finding almost homoclinic solutions for a class of Newtonian systems
Joanna Janczewska
169 - 177
2009-03-01
On orbital topological equivalence of cubic ODEs in two-dimensional algebras
Zolman Balanov, Wiesław Krawcewicz, Shira Zur
205 - 234
2005-06-01
Asymptotic behavior of solutions of 1D-Burgers equation with quasi-periodic forcing
Ya. G. Sinai
219 - 226
1998-06-01
Periodic solutions for evolution complementarity systems: a method of guiding functions
George Dinca, Daniel Goeleven
255 - 267
2006-06-01
Lagrangian systems with Lipschitz obstacle on manifolds
Sergio Lancelotti, Marco Marzocchi
229 - 253
2006-06-01
Periodic solutions of an asymptotically linear wave equation
Shujie Li, Andrzej Szulkin
211 - 230
1993-06-01
Location of fixed points in the presence of two cycles
Alfonso Ruiz-Herrera
407 - 420
2011-04-23
Degree computations for positively homogeneous differential equations
Christian Fabry, Patrick Habets
73 - 88
2004-03-01
Massera's theorem for quasi-periodic differential equations
Rafael Ortega, Massimo Tarallo
39 - 61
2002-03-01
1 - 81 of 81 items