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- Manjun Ma
- Appl. Math. Lett.
- 2005

- Manjun Ma, Hengsheng Tang, Wei Luo
- Applied Mathematics and Computation
- 2007

We establish conditions for the existence of periodic solutions of nonlinear, second-order difference equations of the form y(t + 2) + by(t + 1) + cy(t) = f (y(t)), where c = 0 and f : R → R is continuous. In our main result we assume that f exhibits sublinear growth and that there is a constant β > 0 such that u f (u) > 0 whenever |u| ≥ β. For such an… (More)

- Manjun Ma, Zhiming Guo
- 2006

In this paper we discuss how to use variational methods to study the existence of nontrivial homoclinic orbits of the following nonlinear difference equations Δ p(t)Δu(t − 1) + q(t)u(t) = f t, u(t) , t ∈ Z, without any periodicity assumptions on p(t), q(t) and f , providing that f (t, x) grows superlinearly both at origin and at infinity or is an odd… (More)

- Manjun Ma, Chunhua Ou, Zhi-An Wang
- SIAM Journal of Applied Mathematics
- 2012

We study possibilities to suppress the transverse modulational instability (MI) of dark-soliton stripes in two-dimensional Bose-Einstein condensates (BEC's) and self-defocusing bulk optical waveguides by means of quasi-one-dimensional structures. Adding an external repulsive barrier potential (which can be induced in BEC by a laser sheet, or by an embedded… (More)

- Manjun Ma, Jicheng Tao, Delin Wu, Yazhou Han
- Appl. Math. Lett.
- 2014

- Manjun Ma, Yazhou Han, Jicheng Tao, Delin Wu
- IJMIC
- 2013

- Manjun Ma, R Navarro, R Carretero-González
- Physical review. E
- 2016

The reduced dynamics for dark and bright soliton chains in the one-dimensional nonlinear Schrödinger equation is used to study the behavior of collective compression waves corresponding to Toda lattice solitons. We coin the term hypersoliton to describe such solitary waves riding on a chain of solitons. It is observed that in the case of dark soliton… (More)