Entire solutions with merging fronts to a bistable periodic lattice dynamical system

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April 2016, 36(4): 2329-2346. doi: 10.3934/dcds.2016.36.2329

Entire solutions with merging fronts to a bistable periodic lattice dynamical system

Shi-Liang Wu ^1, and Cheng-Hsiung Hsu ^2,

1.	Department of Mathematics, Xidian University, Xi’an, Shaanxi 710071
2.	Department of Mathematics, National Central University, Chung-Li 32001

Received September 2014 Revised July 2015 Published September 2015

Abstract
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We are interested in finding entire solutions of a bistable periodic lattice dynamical system. By constructing appropriate super- and subsolutions of the system, we establish two different types of merging-front entire solutions. The first type can be characterized by two monostable fronts merging and converging to a single bistable front; while the second type is a solution which behaves as a monostable front merging with a bistable front and one chases another from the same side of $x$-axis. For this discrete and spatially periodic system, we have to emphasize that there has no symmetry between the increasing and decreasing pulsating traveling fronts, which increases the difficulty of construction of the super- and subsolutions.

Keywords: periodic lattice dynamical system, Entire solution, bistable nonlinearity., pulsating (periodic) traveling front.

Mathematics Subject Classification: Primary: 35K57, 34A34, 34E05; Secondary: 92D25, 92D3.

Citation: Shi-Liang Wu, Cheng-Hsiung Hsu. Entire solutions with merging fronts to a bistable periodic lattice dynamical system. Discrete & Continuous Dynamical Systems - A, 2016, 36 (4) : 2329-2346. doi: 10.3934/dcds.2016.36.2329

References:

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[22]	M.-X. Wang and G.-Y. Lv, Entire solutions of a diffusive and competitive Lotka-Volterra type system with nonlocal delay,, Nonlinearity, 23 (2010), 1609. doi: 10.1088/0951-7715/23/7/005. Google Scholar
[23]	S.-L. Wu, Z.-X. Shi and F.-Y. Yang, Entire solutions in periodic lattice dynamical systems,, J. Differential Equations, 255 (2013), 3505. doi: 10.1016/j.jde.2013.07.049. Google Scholar
[24]	S.-L. Wu, Y.-J. Sun and S.-Y. Liu, Traveling fronts and entire solutions in partially degenerate reaction-diffusion systems with monostable nonlinearity,, Discrete Contin. Dyn. Syst., 33 (2013), 921. doi: 10.3934/dcds.2013.33.921. Google Scholar
[25]	S.-L. Wu and H. Wang, Front-like entire solutions for monostable reaction-diffusion systems,, J. Dynam. Differential Equations, 25 (2013), 505. doi: 10.1007/s10884-013-9293-6. Google Scholar

show all references

References:

[1]	X. Chen, J.-S. Guo and C. C. Wu, Traveling waves in discrete periodic media for bistable dynamics,, Arch. Rational Mech. Anal., 189 (2008), 189. doi: 10.1007/s00205-007-0103-3. Google Scholar
[2]	S.-N. Chow, J. Mallet-Paret and W. Shen, Travelling waves in lattice dynamical systems,, J. Differential Equations, 149 (1998), 248. doi: 10.1006/jdeq.1998.3478. Google Scholar
[3]	P.-C. Fife, Mathematical Aspects of Reacting and Diffusing Systems,, Lecture Notes in Biomathematics 28, (1979). Google Scholar
[4]	J.-S. Guo and F. Hamel, Front propagation for discrete periodic monostable equations,, Math. Ann., 335 (2006), 489. doi: 10.1007/s00208-005-0729-0. Google Scholar
[5]	J.-S. Guo and Y. Morita, Entire solutions of reaction-diffusion equations and an application to discrete diffusive equations,, Discrete Contin. Dyn. Syst., 12 (2005), 193. Google Scholar
[6]	J.-S. Guo and C. H. Wu, Uniqueness and stability of traveling waves for periodic monostable lattice dynamical system,, J. Differential Equations, 246 (2009), 3818. doi: 10.1016/j.jde.2009.03.010. Google Scholar
[7]	Y.-J. L. Guo, Entire solutions for a discrete diffusive equation,, J. Math. Anal. Appl., 347* (2008), 450. doi: 10.1016/j.jmaa.2008.03.076. Google Scholar*
[8]	F. Hamel and N. Nadirashvili, Entire solutions of the KPP equation,, Comm. Pure Appl. Math., 52 (1999), 1255. doi: 10.1002/(SICI)1097-0312(199910)52:10<1255::AID-CPA4>3.0.CO;2-W. Google Scholar
[9]	W.-T. Li, N.-W. Liu and Z.-C. Wang, Entire solutions in reaction-advection-diffusion equations in cylinders,, J. Math. Pures Appl., 90 (2008), 492. doi: 10.1016/j.matpur.2008.07.002. Google Scholar
[10]	W.-T. Li, Z.-C. Wang and J. Wu, Entire solutions in monostable reaction-diffusion equations with delayed nonlinearity,, J. Differential Equations, 245 (2008), 102. doi: 10.1016/j.jde.2008.03.023. Google Scholar
[11]	X. Liang and X. Zhao, Spreading speeds and traveling waves for abstract monostable evolution systems,, J. Funct. Anal., 259 (2010), 857. doi: 10.1016/j.jfa.2010.04.018. Google Scholar
[12]	N.-W. Liu, W.-T. Li and Z.-C. Wang, Entire solutions of reaction-advection-diffusion equations with bistable nonlinearity in cylinders,, J. Differential Equations, 246 (2009), 4249. doi: 10.1016/j.jde.2008.12.005. Google Scholar
[13]	S. Ma and X. Zou, Propagation and its failure in a lattice delayed differential equation with global interaction,, J. Differential Equations, 212 (2005), 129. doi: 10.1016/j.jde.2004.07.014. Google Scholar
[14]	S. Ma and X. Zhao, Global asymptotic stability of minimal fronts in monostable lattice equations,, Discrete Contin. Dyn. Syst., 21 (2008), 259. doi: 10.3934/dcds.2008.21.259. Google Scholar
[15]	Y. Morita and H. Ninomiya, Entire solutions with merging fronts to reaction-diffusion equations,, J. Dynam. Differential Equations, 18 (2006), 841. doi: 10.1007/s10884-006-9046-x. Google Scholar
[16]	Y. Morita and K. Tachibana, An entire solution to the Lotka-Volterra competition-diffusion equations,, SIAM J. Math. Anal., 40 (2009), 2217. doi: 10.1137/080723715. Google Scholar
[17]	N. Shigesada and K. Kawasaki, Biological invasions: theory and practice,, Oxford Series in Ecology and Evolution, (1997). Google Scholar
[18]	Y.-J. Sun, W.-T. Li and Z.-C. Wang, Entire solutions in nonlocal dispersal equations with bistable nonlinearity,, J. Differential Equations, 251 (2011), 551. doi: 10.1016/j.jde.2011.04.020. Google Scholar
[19]	Z.-C. Wang, W.-T. Li and S. Ruan, Entire solutions in bistable reaction-diffusion equations with nonlocal delayed nonlinearity,, Trans. Amer. Math. Soc., 361 (2009), 2047. doi: 10.1090/S0002-9947-08-04694-1. Google Scholar
[20]	Z.-C. Wang, W.-T. Li and S. Ruan, Entire solutions in delayed lattice differential equations with monostable nonlinearity,, SIAM J. Math. Anal., 40 (2009), 2392. doi: 10.1137/080727312. Google Scholar
[21]	Z.-C. Wang, W.-T. Li and S. Ruan, Entire solutions in lattice delayed differential equations with nonlocal interaction: Bistable case,, Math. Model. Nat. Phenom., 8 (2013), 78. doi: 10.1051/mmnp/20138307. Google Scholar
[22]	M.-X. Wang and G.-Y. Lv, Entire solutions of a diffusive and competitive Lotka-Volterra type system with nonlocal delay,, Nonlinearity, 23 (2010), 1609. doi: 10.1088/0951-7715/23/7/005. Google Scholar
[23]	S.-L. Wu, Z.-X. Shi and F.-Y. Yang, Entire solutions in periodic lattice dynamical systems,, J. Differential Equations, 255 (2013), 3505. doi: 10.1016/j.jde.2013.07.049. Google Scholar
[24]	S.-L. Wu, Y.-J. Sun and S.-Y. Liu, Traveling fronts and entire solutions in partially degenerate reaction-diffusion systems with monostable nonlinearity,, Discrete Contin. Dyn. Syst., 33 (2013), 921. doi: 10.3934/dcds.2013.33.921. Google Scholar
[25]	S.-L. Wu and H. Wang, Front-like entire solutions for monostable reaction-diffusion systems,, J. Dynam. Differential Equations, 25 (2013), 505. doi: 10.1007/s10884-013-9293-6. Google Scholar

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