Bai, Yulin; Wang, Wanyi; Li, Kun; Zheng, Zhaowen Eigenvalues of a class of eigenparameter dependent third-order differential operators. (English) Zbl 1497.34117 J. Nonlinear Math. Phys. 29, No. 3, 477-492 (2022). MSC: 34L15 34B24 34B05 34L10 PDFBibTeX XMLCite \textit{Y. Bai} et al., J. Nonlinear Math. Phys. 29, No. 3, 477--492 (2022; Zbl 1497.34117) Full Text: DOI
Li, Kun; Bai, Yulin; Wang, Wanyi; Meng, Fanwei Self-adjoint realization of a class of third-order differential operators with an eigenparameter contained in the boundary conditions. (English) Zbl 1473.34021 J. Appl. Anal. Comput. 10, No. 6, 2631-2643 (2020). MSC: 34B24 34L15 47B50 34B05 PDFBibTeX XMLCite \textit{K. Li} et al., J. Appl. Anal. Comput. 10, No. 6, 2631--2643 (2020; Zbl 1473.34021) Full Text: DOI
Bai, Yulin; Wang, Wanyi; Li, Kun Solvability and coerciveness of multi-point Sturm-Liouville problems with abstract linear functionals. (English) Zbl 1524.34076 Bound. Value Probl. 2019, Paper No. 17, 12 p. (2019). MSC: 34B24 34B10 PDFBibTeX XMLCite \textit{Y. Bai} et al., Bound. Value Probl. 2019, Paper No. 17, 12 p. (2019; Zbl 1524.34076) Full Text: DOI
Yu, Lin; Wang, Wanyi; Wang, Guixia Computing eigenvalues of a class of 4th-order left-definite differential operator. (Chinese. English summary) Zbl 1438.34329 Math. Pract. Theory 48, No. 24, 273-278 (2018). MSC: 34L16 34L15 PDFBibTeX XMLCite \textit{L. Yu} et al., Math. Pract. Theory 48, No. 24, 273--278 (2018; Zbl 1438.34329)
Xu, Mei-zhen; Wang, Wan-yi; Ao, Ji-jun Finite spectrum of Sturm-Liouville problems with \(n\) transmission conditions. (English) Zbl 1397.34055 Iran. J. Sci. Technol., Trans. A, Sci. 42, No. 2, 811-817 (2018). MSC: 34B24 34B09 PDFBibTeX XMLCite \textit{M.-z. Xu} et al., Iran. J. Sci. Technol., Trans. A, Sci. 42, No. 2, 811--817 (2018; Zbl 1397.34055) Full Text: DOI
Suo, Jianqing; Wang, Wanyi Two-interval even order differential operators in direct sum spaces with inner product multiples. (English) Zbl 1399.47122 J. Shanghai Norm. Univ., Nat. Sci. 46, No. 3, 393-405 (2017). MSC: 47E05 34L99 47B25 PDFBibTeX XMLCite \textit{J. Suo} and \textit{W. Wang}, J. Shanghai Norm. Univ., Nat. Sci. 46, No. 3, 393--405 (2017; Zbl 1399.47122)
Yu, Lin; Wang, Guixia; Wang, Wanyi The self-adjointness of second order and 4th-order differential operators product. (Chinese. English summary) Zbl 1375.47030 Math. Pract. Theory 46, No. 18, 218-222 (2016). MSC: 47B38 34L99 47B25 PDFBibTeX XMLCite \textit{L. Yu} et al., Math. Pract. Theory 46, No. 18, 218--222 (2016; Zbl 1375.47030)
Ge, Suqin; Wang, Wanyi; Liu, Xinmei Dependence of eigenvalues of a class of fourth-order boundary value problems on the boundary. (English) Zbl 1363.34051 Math. Appl. 29, No. 3, 554-562 (2016). MSC: 34B09 34B08 34L15 PDFBibTeX XMLCite \textit{S. Ge} et al., Math. Appl. 29, No. 3, 554--562 (2016; Zbl 1363.34051)
Xu, Meizhen; Wang, Wanyi; Zhang, Zhimin An inverse problem for a Sturm-Liouville problem with coupled transmission conditions. (Chinese. English summary) Zbl 1363.34043 Math. Pract. Theory 46, No. 6, 228-233 (2016). MSC: 34A55 34B24 PDFBibTeX XMLCite \textit{M. Xu} et al., Math. Pract. Theory 46, No. 6, 228--233 (2016; Zbl 1363.34043)
Yang, Qiuxia; Wang, Wanyi Characterization of self-adjoint domains for differential operators with interior singular points. (English) Zbl 1331.47066 Arab J. Math. Sci. 22, No. 1, 115-131 (2016). MSC: 47E05 34B20 34B24 47B25 PDFBibTeX XMLCite \textit{Q. Yang} and \textit{W. Wang}, Arab J. Math. Sci. 22, No. 1, 115--131 (2016; Zbl 1331.47066) Full Text: DOI
Wang, W. Y.; Chen, L. J. Weak and non-resonant double Hopf bifurcations in \(m\) coupled van der Pol oscillators with delay coupling. (English) Zbl 1443.34074 Appl. Math. Modelling 39, No. 10-11, 3094-3102 (2015). MSC: 34K18 PDFBibTeX XMLCite \textit{W. Y. Wang} and \textit{L. J. Chen}, Appl. Math. Modelling 39, No. 10--11, 3094--3102 (2015; Zbl 1443.34074) Full Text: DOI
Yang, Qiuxia; Wang, Wanyi; Gao, Xingchao Dependence of eigenvalues of a class of higher-order Sturm-Liouville problems on the boundary. (English) Zbl 1394.34177 Math. Probl. Eng. 2015, Article ID 686102, 10 p. (2015). MSC: 34L15 34B08 PDFBibTeX XMLCite \textit{Q. Yang} et al., Math. Probl. Eng. 2015, Article ID 686102, 10 p. (2015; Zbl 1394.34177) Full Text: DOI
Ge, Suqin; Wang, Wanyi; Ao, Jijun Matrix representations of fourth order boundary value problems with periodic boundary conditions. (English) Zbl 1364.34024 Appl. Math. Comput. 227, 601-609 (2014). MSC: 34B05 PDFBibTeX XMLCite \textit{S. Ge} et al., Appl. Math. Comput. 227, 601--609 (2014; Zbl 1364.34024) Full Text: DOI
Yu, Lin; Wang, Wanyi The self-adjointness of two classes of 4th-order differential operator products. (Chinese. English summary) Zbl 1340.47048 Math. Pract. Theory 44, No. 7, 230-233 (2014). MSC: 47B25 34L99 PDFBibTeX XMLCite \textit{L. Yu} and \textit{W. Wang}, Math. Pract. Theory 44, No. 7, 230--233 (2014; Zbl 1340.47048)
Zhou, Liguang; Wang, Wanyi The discreteness of spectra of a class of differential operators with coefficients for the product of Euler coefficients and exponential functions. (English) Zbl 1324.34177 Adv. Math., Beijing 43, No. 6, 951-959 (2014). MSC: 34L05 47E05 34L15 PDFBibTeX XMLCite \textit{L. Zhou} and \textit{W. Wang}, Adv. Math., Beijing 43, No. 6, 951--959 (2014; Zbl 1324.34177)
Ge, Suqin; Wang, Wanyi; Suo, Jianqing On the self-adjointness of product of two 4th-order singular differential operators. (Chinese. English summary) Zbl 1324.47003 Math. Appl. 27, No. 4, 865-873 (2014). MSC: 47A05 47B25 34L05 PDFBibTeX XMLCite \textit{S. Ge} et al., Math. Appl. 27, No. 4, 865--873 (2014; Zbl 1324.47003)
Qiu, Jie; Wang, Wanyi; Peng, Yanwei The discrete spectra of a class of differential operators with product of power function and exponential function. (Chinese. English summary) Zbl 1313.34269 Basic Sci. J. Text. Univ. 27, No. 2, 147-152 (2014). MSC: 34L05 47E05 PDFBibTeX XMLCite \textit{J. Qiu} et al., Basic Sci. J. Text. Univ. 27, No. 2, 147--152 (2014; Zbl 1313.34269)
Zhou, Liguang; Wang, Wanyi The discreteness of spectrum of a class of differential operators with coefficients of power-exponential product functions. (Chinese. English summary) Zbl 1313.34273 Acta Math. Sci., Ser. A, Chin. Ed. 34, No. 3, 573-580 (2014). MSC: 34L05 47E05 PDFBibTeX XMLCite \textit{L. Zhou} and \textit{W. Wang}, Acta Math. Sci., Ser. A, Chin. Ed. 34, No. 3, 573--580 (2014; Zbl 1313.34273)
Qiu, Jie; Wang, Wanyi; Peng, Yanwei The discreteness of spectrum of a class of symmetric differential operators with coefficients of logarithmic function. (Chinese. English summary) Zbl 1313.34280 J. Inn. Mong. Norm. Univ., Nat. Sci. 43, No. 3, 270-274 (2014). MSC: 34L15 34L05 47E05 PDFBibTeX XMLCite \textit{J. Qiu} et al., J. Inn. Mong. Norm. Univ., Nat. Sci. 43, No. 3, 270--274 (2014; Zbl 1313.34280)
Ge, Suqin; Wang, Wanyi; Yang, Qiuxia Dependence of eigenvalues of sixth-order boundary value problems on the boundary. (English) Zbl 1308.34115 Bull. Aust. Math. Soc. 90, No. 3, 457-468 (2014). MSC: 34L15 34B20 34B24 47B25 PDFBibTeX XMLCite \textit{S. Ge} et al., Bull. Aust. Math. Soc. 90, No. 3, 457--468 (2014; Zbl 1308.34115) Full Text: DOI
Zhou, Liguang; Wang, Wanyi; Suo, Jianqing Asymptotic behaviors of a discontinuous singular Sturm-Liouville problem. (English) Zbl 1313.34281 Math. Appl. 27, No. 1, 107-117 (2014). MSC: 34L15 34L20 34B24 PDFBibTeX XMLCite \textit{L. Zhou} et al., Math. Appl. 27, No. 1, 107--117 (2014; Zbl 1313.34281)
Ge, Suqin; Wang, Wanyi Characterization of real-parameter solutions of self-adjoint domains for the products of differential expressions which are singular at two endpoints. (Chinese. English summary) Zbl 1313.47094 Math. Appl. 27, No. 1, 10-17 (2014). MSC: 47E05 34L05 34B05 PDFBibTeX XMLCite \textit{S. Ge} and \textit{W. Wang}, Math. Appl. 27, No. 1, 10--17 (2014; Zbl 1313.47094)
Suo, Jianqing; Wang, Wanyi The conditions for the discreteness of the spectrum of self-adjoint differential operators of even order. (Chinese. English summary) Zbl 1488.34469 Sci. Sin., Math. 43, No. 5, 489-497 (2013). MSC: 34L05 47E05 34L15 47B25 PDFBibTeX XMLCite \textit{J. Suo} and \textit{W. Wang}, Sci. Sin., Math. 43, No. 5, 489--497 (2013; Zbl 1488.34469) Full Text: DOI
Ge, Suqin; Wang, Wanyi; Suo, Jianqing Dependence of eigenvalues of a class of fourth-order Sturm-Liouville problems on the boundary. (English) Zbl 1329.34136 Appl. Math. Comput. 220, 268-276 (2013). MSC: 34L15 PDFBibTeX XMLCite \textit{S. Ge} et al., Appl. Math. Comput. 220, 268--276 (2013; Zbl 1329.34136) Full Text: DOI
Wang, Yongle; Wang, Wanyi; Li, Wei On the discrete spectra of a class of \(J\)-self-adjoint differential operators of coefficients containing exponential functions and power functions. (Chinese. English summary) Zbl 1313.47018 Math. Pract. Theory 43, No. 23, 255-261 (2013). MSC: 47A10 34L05 PDFBibTeX XMLCite \textit{Y. Wang} et al., Math. Pract. Theory 43, No. 23, 255--261 (2013; Zbl 1313.47018)
Ge, Suqin; Wang, Wanyi The self-adjoint domains of real-valued coefficients differential operators with interior singular points. (Chinese. English summary) Zbl 1289.47090 Math. Pract. Theory 43, No. 3, 223-231 (2013). MSC: 47E05 34L05 PDFBibTeX XMLCite \textit{S. Ge} and \textit{W. Wang}, Math. Pract. Theory 43, No. 3, 223--231 (2013; Zbl 1289.47090)
Suo, Jianqing; Wang, Wanyi; Zhou, Liguang A sufficient condition for the discreteness of the spectrum for a class of symmetric differential operators with exponential coefficients. (Chinese. English summary) Zbl 1289.34231 J. Syst. Sci. Math. Sci. 33, No. 2, 236-245 (2013). MSC: 34L05 34L15 47E05 PDFBibTeX XMLCite \textit{J. Suo} et al., J. Syst. Sci. Math. Sci. 33, No. 2, 236--245 (2013; Zbl 1289.34231)
Zhou, Liguang; Wang, Wanyi; Suo, Jianqing Sufficient and necessary conditions for the discreteness of the spectrum for a class of higher-order differential operators. (Chinese. English summary) Zbl 1289.34234 J. Syst. Sci. Math. Sci. 33, No. 3, 373-382 (2013). MSC: 34L05 34L15 47E05 PDFBibTeX XMLCite \textit{L. Zhou} et al., J. Syst. Sci. Math. Sci. 33, No. 3, 373--382 (2013; Zbl 1289.34234)
Zhou, Liguang; Wang, Wanyi; Suo, Jianqing Asymptotic behavior of a second-order singular discontinuous differential operator with eigenparameter-dependent boundary conditions. (Chinese. English summary) Zbl 1289.34080 Math. Pract. Theory 42, No. 18, 242-251 (2012). MSC: 34B24 34L15 34L20 PDFBibTeX XMLCite \textit{L. Zhou} et al., Math. Pract. Theory 42, No. 18, 242--251 (2012; Zbl 1289.34080)
Yang, Qiuxia; Wang, Wanyi Spectral properties of Sturm-Liouville operators with discontinuities at finite points. (English) Zbl 1273.34037 Math. Sci., Springer 6, Paper No. 34, 9 p. (2012). MSC: 34B24 34L20 34L05 47E05 PDFBibTeX XMLCite \textit{Q. Yang} and \textit{W. Wang}, Math. Sci., Springer 6, Paper No. 34, 9 p. (2012; Zbl 1273.34037) Full Text: DOI
Ge, Suqin; Wang, Wanyi Characterization of real-parameter solutions of domains of self-adjoint ordinary differential operators with interior singular points. (Chinese. English summary) Zbl 1271.47038 Math. Appl. 25, No. 4, 936-942 (2012). MSC: 47E05 34L05 PDFBibTeX XMLCite \textit{S. Ge} and \textit{W. Wang}, Math. Appl. 25, No. 4, 936--942 (2012; Zbl 1271.47038)
Yang, Qiuxia; Wang, Wanyi Local definitizability of a singular Sturm-Liouville operator with indefinite weight. (English) Zbl 1265.34321 Math. Appl. 25, No. 1, 150-159 (2012). MSC: 34L40 34B24 47E05 PDFBibTeX XMLCite \textit{Q. Yang} and \textit{W. Wang}, Math. Appl. 25, No. 1, 150--159 (2012; Zbl 1265.34321)
Baosiriguleng; Wang, Wanyi; Peng, Peng Asymptotic behavior of eigenvalues of a Sturm-Liouville problem with regular boundary. (Chinese. English summary) Zbl 1265.34317 J. Inn. Mong. Norm. Univ., Nat. Sci. 41, No. 2, 145-151, 158 (2012). MSC: 34L20 34L15 34B24 PDFBibTeX XMLCite \textit{Baosiriguleng} et al., J. Inn. Mong. Norm. Univ., Nat. Sci. 41, No. 2, 145--151, 158 (2012; Zbl 1265.34317)
Peng, Peng; Wang, Wanyi Asymptotic behavior of a right-definite Sturm-Liouville problem with mixed boundary conditions. (Chinese. English summary) Zbl 1265.34318 J. Inn. Mong. Norm. Univ., Nat. Sci. 41, No. 2, 140-144 (2012). MSC: 34L20 34B24 34L15 PDFBibTeX XMLCite \textit{P. Peng} and \textit{W. Wang}, J. Inn. Mong. Norm. Univ., Nat. Sci. 41, No. 2, 140--144 (2012; Zbl 1265.34318)
Suo, Jianqing; Wang, Wanyi Two-interval even order differential operators in direct sum spaces. (English) Zbl 1257.34016 Result. Math. 62, No. 1-2, 13-32 (2012). Reviewer: Satoshi Tanaka (Sendai) MSC: 34B24 34B20 47B25 PDFBibTeX XMLCite \textit{J. Suo} and \textit{W. Wang}, Result. Math. 62, No. 1--2, 13--32 (2012; Zbl 1257.34016) Full Text: DOI
Suo, Jianqing; Wang, Wanyi Eigenvalues of a class of regular fourth-order Sturm-Liouville problems. (English) Zbl 1268.34178 Appl. Math. Comput. 218, No. 19, 9716-9729 (2012). Reviewer: Carmen Simerská (Praha) MSC: 34L15 34B24 PDFBibTeX XMLCite \textit{J. Suo} and \textit{W. Wang}, Appl. Math. Comput. 218, No. 19, 9716--9729 (2012; Zbl 1268.34178) Full Text: DOI
Suo, Jianqing; Wang, Wanyi Two-interval even-order differential operators in modified Hilbert spaces. (English) Zbl 1241.47058 Bull. Aust. Math. Soc. 85, No. 2, 241-260 (2012). Reviewer: Yaudat Sultanaev (Ufa) MSC: 47N20 34B20 47B25 PDFBibTeX XMLCite \textit{J. Suo} and \textit{W. Wang}, Bull. Aust. Math. Soc. 85, No. 2, 241--260 (2012; Zbl 1241.47058) Full Text: DOI
Tao, Gesi; Wang, Wanyi Self-adjointness of singular 4th order differential operators with eigenparameters in a class of boundary condition. (Chinese. English summary) Zbl 1261.47066 J. Inn. Mong. Norm. Univ., Nat. Sci. 40, No. 6, 547-551 (2011). MSC: 47E05 34L15 47B25 PDFBibTeX XMLCite \textit{G. Tao} and \textit{W. Wang}, J. Inn. Mong. Norm. Univ., Nat. Sci. 40, No. 6, 547--551 (2011; Zbl 1261.47066)
Yang, Qiuxia; Wang, Wanyi Asymptotic behavior of a discontinuous differential operator with transmission conditions. (English) Zbl 1240.34443 Math. Appl. 24, No. 1, 15-24 (2011). MSC: 34L20 34B24 34B27 PDFBibTeX XMLCite \textit{Q. Yang} and \textit{W. Wang}, Math. Appl. 24, No. 1, 15--24 (2011; Zbl 1240.34443)
Yang, Qiuxia; Wang, Wanyi Asymptotic behavior of a differential operator with discontinuities at two points. (English) Zbl 1220.34043 Math. Methods Appl. Sci. 34, No. 4, 373-383 (2011). Reviewer: Petr Zemanek (Brno) MSC: 34B24 34L10 34L15 PDFBibTeX XMLCite \textit{Q. Yang} and \textit{W. Wang}, Math. Methods Appl. Sci. 34, No. 4, 373--383 (2011; Zbl 1220.34043) Full Text: DOI
Xu, Mei Zhen; Wang, Wan Yi; Zhou, Li Guang; Suo, Jian Qing Friedrichs extension of products of two singular differential operators. (Chinese. English summary) Zbl 1267.34146 J. Inn. Mong. Univ. 41, No. 6, 618-624 (2010). MSC: 34L15 47E05 PDFBibTeX XMLCite \textit{M. Z. Xu} et al., J. Inn. Mong. Univ. 41, No. 6, 618--624 (2010; Zbl 1267.34146)
Zhou, Li-guang; Wang, Wan-yi; Suo, Jian-qing; Xu, Mei-zhen Spectrum of singular Sturm-Liouville problem with eigenparameter dependent boundary conditions and transmission conditions. (Chinese. English summary) Zbl 1267.34039 J. Inn. Mong. Univ. 41, No. 6, 601-609 (2010). MSC: 34B09 34B05 34L15 34L20 PDFBibTeX XMLCite \textit{L.-g. Zhou} et al., J. Inn. Mong. Univ. 41, No. 6, 601--609 (2010; Zbl 1267.34039)
Liu, Chun Ling; Wang, Wan Yi Eigenvalue problem for a class of fourth-order differential operators with transmission conditions and boundary conditions containing characteristic parameters. (Chinese. English summary) Zbl 1267.34143 J. Inn. Mong. Univ. 41, No. 5, 481-484 (2010). MSC: 34L10 34B08 PDFBibTeX XMLCite \textit{C. L. Liu} and \textit{W. Y. Wang}, J. Inn. Mong. Univ. 41, No. 5, 481--484 (2010; Zbl 1267.34143)
Liu, Chunling; Wang, Wanyi The characterization of the self-adjoint nature of a class of 4-order differential operators with transmission conditions. (Chinese. English summary) Zbl 1234.47037 J. Inn. Mong. Norm. Univ., Nat. Sci. 39, No. 3, 232-237 (2010). MSC: 47E05 34L30 PDFBibTeX XMLCite \textit{C. Liu} and \textit{W. Wang}, J. Inn. Mong. Norm. Univ., Nat. Sci. 39, No. 3, 232--237 (2010; Zbl 1234.47037)
Yang, Qiuxia; Wang, Wanyi A discontinuous Sturm-Liouville operator with indefinite weight. (English) Zbl 1207.34032 J. Math. Res. 2, No. 3, 161-168 (2010). MSC: 34B24 34L15 34A36 34L10 PDFBibTeX XMLCite \textit{Q. Yang} and \textit{W. Wang}, J. Math. Res. 2, No. 3, 161--168 (2010; Zbl 1207.34032) Full Text: DOI Link
Sun, Jiong; Wang, Wan Yi Characterization of domains of self-adjoint ordinary differential operators and spectral analysis. (Chinese. English summary) Zbl 1267.34034 J. Inn. Mong. Univ. 40, No. 4, 469-485 (2009). MSC: 34B05 34L05 PDFBibTeX XMLCite \textit{J. Sun} and \textit{W. Y. Wang}, J. Inn. Mong. Univ. 40, No. 4, 469--485 (2009; Zbl 1267.34034)
Yang, Qiu-xia; Wang, Wan-yi Eigenvalues of Sturm-Liouville problem with transmission conditions. (Chinese. English summary) Zbl 1267.34053 J. Inn. Mong. Univ. 40, No. 3, 252-258 (2009). MSC: 34B24 34L15 PDFBibTeX XMLCite \textit{Q.-x. Yang} and \textit{W.-y. Wang}, J. Inn. Mong. Univ. 40, No. 3, 252--258 (2009; Zbl 1267.34053)
Zhang, Xinyan; Wang, Wanyi The spectrum of a class of four-order differential operator. (Chinese. English summary) Zbl 1212.34270 J. Inn. Mong. Norm. Univ., Nat. Sci. 38, No. 6, 635-637 (2009). MSC: 34L05 47J30 34L40 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{W. Wang}, J. Inn. Mong. Norm. Univ., Nat. Sci. 38, No. 6, 635--637 (2009; Zbl 1212.34270)
Yang, Qiuxia; Wang, Wanyi Eigenvalues of a fourth order differential operator with transmission conditions. (Chinese. English summary) Zbl 1212.34272 J. Inn. Mong. Norm. Univ., Nat. Sci. 38, No. 6, 630-634 (2009). MSC: 34L15 34L40 PDFBibTeX XMLCite \textit{Q. Yang} and \textit{W. Wang}, J. Inn. Mong. Norm. Univ., Nat. Sci. 38, No. 6, 630--634 (2009; Zbl 1212.34272)
Yang, Qiuxia; Wang, Wanyi Asymptotic behavior of a regular Sturm-Liouville problem. (Chinese. English summary) Zbl 1212.34274 Acta Anal. Funct. Appl. 11, No. 4, 301-308 (2009). MSC: 34L20 34B24 PDFBibTeX XMLCite \textit{Q. Yang} and \textit{W. Wang}, Acta Anal. Funct. Appl. 11, No. 4, 301--308 (2009; Zbl 1212.34274)
Xu, Meizhen; Wang, Wanyi; Gao, Yuhong Friedrich’s extension of higher order differential operators in direct sum spaces. (Chinese. English summary) Zbl 1199.47050 J. Inn. Mong. Norm. Univ., Nat. Sci. 37, No. 6, 722-727 (2008). MSC: 47A20 34L99 PDFBibTeX XMLCite \textit{M. Xu} et al., J. Inn. Mong. Norm. Univ., Nat. Sci. 37, No. 6, 722--727 (2008; Zbl 1199.47050)
Zhang, Xinyan; Wang, Wanyi On self-adjointness of the products of three high-order limit-point differential operators. (Chinese. English summary) Zbl 1199.34462 J. Inn. Mong. Norm. Univ., Nat. Sci. 37, No. 5, 599-603 (2008). MSC: 34L99 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{W. Wang}, J. Inn. Mong. Norm. Univ., Nat. Sci. 37, No. 5, 599--603 (2008; Zbl 1199.34462)
Xu, Meizhen; Wang, Wanyi; Zhang, Xinyan Friedrich’s extension of powers of singular differential operators. (Chinese. English summary) Zbl 1199.47193 J. Inn. Mong. Norm. Univ., Nat. Sci. 37, No. 3, 314-317, 320 (2008). MSC: 47E05 34L40 PDFBibTeX XMLCite \textit{M. Xu} et al., J. Inn. Mong. Norm. Univ., Nat. Sci. 37, No. 3, 314--317, 320 (2008; Zbl 1199.47193)
Zhou, Liguang; Wang, Wanyi; Liu, Fang Spectrum of a class of higher order singular left-definite differential operators. (Chinese. English summary) Zbl 1199.34457 J. Inn. Mong. Norm. Univ., Nat. Sci. 37, No. 3, 309-313 (2008). MSC: 34L15 34L05 34L40 PDFBibTeX XMLCite \textit{L. Zhou} et al., J. Inn. Mong. Norm. Univ., Nat. Sci. 37, No. 3, 309--313 (2008; Zbl 1199.34457)
Ge, Suqin; Wang, Wanyi A right-definite Sturm-Liouville problem with period boundary conditions. (Chinese. English summary) Zbl 1199.34134 J. Inn. Mong. Norm. Univ., Nat. Sci. 37, No. 3, 303-308 (2008). MSC: 34B24 34L10 34L15 34L20 PDFBibTeX XMLCite \textit{S. Ge} and \textit{W. Wang}, J. Inn. Mong. Norm. Univ., Nat. Sci. 37, No. 3, 303--308 (2008; Zbl 1199.34134)
Suo, Jianqing; Wang, Wanyi; Zhang, Xinyan Eigenvalues of a class of 4-th order Sturm-Liouville problems. (Chinese. English summary) Zbl 1199.34455 J. Inn. Mong. Norm. Univ., Nat. Sci. 37, No. 3, 296-302 (2008). MSC: 34L15 34B24 PDFBibTeX XMLCite \textit{J. Suo} et al., J. Inn. Mong. Norm. Univ., Nat. Sci. 37, No. 3, 296--302 (2008; Zbl 1199.34455)
Yang, Qiu-xia; Wang, Wan-yi; Zhang, Xin-yian Asymptotic behavior of a regular Sturm-Liouville problem. (English) Zbl 1165.34427 J. Inn. Mong. Univ. 39, No. 1, 7-12 (2008). Reviewer: Rakib Efendiev (Baku) MSC: 34L20 34B24 PDFBibTeX XMLCite \textit{Q.-x. Yang} et al., J. Inn. Mong. Univ. 39, No. 1, 7--12 (2008; Zbl 1165.34427)
Yang, Qiuxia; Wang, Wanyi; Gao, Xingchao Inequalities among eigenvalues of two left-definite Sturm-Liouville problems. (Chinese. English summary) Zbl 1174.34375 J. Inn. Mong. Norm. Univ., Nat. Sci. 36, No. 5, 537-539 (2007). MSC: 34B24 34L15 PDFBibTeX XMLCite \textit{Q. Yang} et al., J. Inn. Mong. Norm. Univ., Nat. Sci. 36, No. 5, 537--539 (2007; Zbl 1174.34375)
Yang, Qiuxia; Wang, Wanyi; Zhang, Xinyan Analysis of the asymptotic behavior of a regular Sturm-Liouville problem. (Chinese. English summary) Zbl 1174.34523 J. Inn. Mong. Norm. Univ., Nat. Sci. 36, No. 1, 43-47, 53 (2007). MSC: 34L20 34B24 PDFBibTeX XMLCite \textit{Q. Yang} et al., J. Inn. Mong. Norm. Univ., Nat. Sci. 36, No. 1, 43--47, 53 (2007; Zbl 1174.34523)
Zhang, Xinyan; Wang, Wanyi; Yang, Qiuxia On self-adjointness of the product of three second-order differential operators. (Chinese. English summary) Zbl 1174.34524 J. Inn. Mong. Norm. Univ., Nat. Sci. 36, No. 1, 35-42 (2007). MSC: 34L99 47B25 PDFBibTeX XMLCite \textit{X. Zhang} et al., J. Inn. Mong. Norm. Univ., Nat. Sci. 36, No. 1, 35--42 (2007; Zbl 1174.34524)
Wang, Wanyi; Han, Maoan; Sun, Jiong On Hopf cyclicity of planar systems with multiple parameters. (English) Zbl 1089.34517 Appl. Math. Lett. 18, No. 6, 613-619 (2005). Reviewer: Messoud A. Efendiev (Berlin) MSC: 34C23 37G15 34C05 34C07 PDFBibTeX XMLCite \textit{W. Wang} et al., Appl. Math. Lett. 18, No. 6, 613--619 (2005; Zbl 1089.34517) Full Text: DOI
Wang, Wan-yi; Sun, Jiong Complex \(J\)-symplectic geometry characterization for \(J\)-symmetric extensions of \(J\)-symmetric differential operators. (Chinese. English summary) Zbl 1481.34025 Adv. Math., Beijing 32, No. 4, 481-484 (2003). MSC: 34B05 47B50 PDFBibTeX XMLCite \textit{W.-y. Wang} and \textit{J. Sun}, Adv. Math., Beijing 32, No. 4, 481--484 (2003; Zbl 1481.34025)
Wang, Wanyi; Sun, Jiong Complex symplectic geometry characterization for selfadjoint domains of \(2n\)th-order nonsingular differential operators. (Chinese. English summary) Zbl 1041.34077 Math. Appl. 16, No. 1, 17-22 (2003). MSC: 34L05 34B05 47B25 34A26 PDFBibTeX XMLCite \textit{W. Wang} and \textit{J. Sun}, Math. Appl. 16, No. 1, 17--22 (2003; Zbl 1041.34077)
Wang, Wanyi Complex \(J\)-symplectic geometry with application to ordinary differential operators. (English) Zbl 1017.37027 Adv. Math., Beijing 30, No. 3, 277-278 (2001). MSC: 37J05 47E05 34L05 PDFBibTeX XMLCite \textit{W. Wang}, Adv. Math., Beijing 30, No. 3, 277--278 (2001; Zbl 1017.37027)