Title : 
A note on three comparison principles obtained by X.Wang, G.Wang and X.He
         
        
            Author : 
Han, Jiangfeng ; Liu, Yiliang
         
        
            Author_Institution : 
Sch. of Math. & Comput. Sci., Guangxi Univ. for Nat., Nanning, China
         
        
        
        
        
        
            Abstract : 
In this note, we first give three counterexamples to the comparison principles obtained by X. Wang and J. Zhang (in Journal of Computational and Applied Mathematics 234 (2010) 3261-3267), by G. Wang, G. Song and L. Zhang (in the same journal 225 (2009) 602-611) and by X. He, J.Xie and G. Chen (in International Journal of Mathematical Analysis 3 (2009) 1997-2007),respectively. Then we suggest and show corrected versions of the comparison principles.
         
        
            Keywords : 
boundary integral equations; boundary-value problems; antiperiodic boundary value problem; comparison principle; integral boundary value problem; Boundary value problems; Differential equations; Educational institutions; Equations; Helium; Integral equations; Anti-periodic boundary value problems; Comparison principles; Integral boundary value problems; Nonlinear three-point boundary value problems;
         
        
        
        
            Conference_Titel : 
Multimedia Technology (ICMT), 2011 International Conference on
         
        
            Conference_Location : 
Hangzhou
         
        
            Print_ISBN : 
978-1-61284-771-9
         
        
        
            DOI : 
10.1109/ICMT.2011.6002663