作者： Du, ZJ;Ge, WG;Zhou, MG （¹Beijing Inst Technol, Dept Math, Beijing 100081, Peoples R China. Xuzhou Normal Univ, Dept Math, Jiangsu 221116, Peoples R China.）

出处： JOURNAL OF DIFFERENTIAL EQUATIONS 2005 Vol.218 No.1 P69-90

关键词： STURM-LIOUVILLE OPERATOR; RESONANCE; EXISTENCE; KIND

摘要： This paper is devoted to study the following third-order multi-point singularly perturbed boundary value problem [GRAPHICS] where a, b, c, d >= 0, A, ...

作者： Liu, YJ;Ge, WG （¹Beijing Inst Technol, Dept Math Appl, Beijing 100081, Peoples R China. Hunan Inst Technol, Dept Math, Yueyang 414000, Hunan, Peoples R China.）

出处： APPLIED MATHEMATICS LETTERS 2005 Vol.18 No.2 P209-218

关键词： HIGHER-ORDER DERIVATIVES; EXISTENCE

摘要： In this work, we consider the higher-order differential equation (-1)(n)x((2n))(t) = f(t, x(t), x(1)(t), ...,x((2n-1))(t)), 0 < t < 1, subject to one ...

作者： Bai, ZB;Ge, WG;Wang, YF （¹Beijing Inst Technol, Dept Math Appl, Beijing 100081, Peoples R China. Univ Petr, Dept Appl Math, Dongying 257061, Peoples R China.）

出处： NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS 2005 Vol.60 No.3 P491-500

关键词： ORDERED BANACH-SPACES; POSITIVE FIXED-POINTS

摘要： In this paper, by using a fixed point theorem of functional type in a cone, some new results for the multiplicity of positive solutions of second-orde ...

作者： Yang, JC;Xu, WG;Xiao, WS （¹Beijing Inst Technol, Sch Sci, Beijing 100081, Peoples R China. Inner Mongolia Univ Technol, Sch Chem Engn, Hohhot 010062, Peoples R China.）

出处： CHINESE JOURNAL OF INORGANIC CHEMISTRY 2005 Vol.21 No.6 P805-809

关键词： GENETIC ALGORITHMS; NEGATIVE-IONS; GEOMETRIES; FLUORIDES; CLUSTERS; STATES

摘要： Four different density functional theory (DFT) methods (B3LYP, B3P86, BLYP, and BP86) have been employed to predict the molecular structures and adiab ...

作者： Lu, SP;Ge, WG （¹Anhui Normal Univ, Dept Math, Wuhu 241000, Anhui, Peoples R China. Beijing Inst Technol, Dept Math, Beijing 100081, Peoples R China.）

出处： JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS 2005 Vol.308 No.2 P393-419

关键词： RAYLEIGH EQUATION; KIND

摘要： By means of Mawhin's continuation theorem, we study some second order differential equations with a deviating argument: x" (t) = f (t, x (t), x (t - t ...

作者： Cheng, LP;Li, QS （¹Shanghai Inst Technol, Sch Chem Engn, Shanghai 200235, Peoples R China. Beijing Inst Technol, Sch Sci, Beijing 100081, Peoples R China.）

出处： JOURNAL OF PHYSICAL CHEMISTRY A 2005 Vol.109 No.14 P3182-3186

关键词： CHEMISTRY; PSEUDOPOTENTIALS; BARIUM; BOND; NA; LI

摘要： Ab initio (MP2) and density functional theory (DFT) methods are used to examine a series of MN4 compounds, where M is an alkaline-earth cation (Mg2+, ...

作者： He, X;Cherniakov, M;Zeng, T （¹Beijing Inst Technol, EE Dept, Beijing 100081, Peoples R China. Univ Birmingham, Dept Elect Elect & Comp Engn, Birmingham B15 2TT, W Midlands, England.）

出处： IEE PROCEEDINGS-RADAR SONAR AND NAVIGATION 2005 Vol.152 No.3 P124-132

摘要： The power budget analysis is considered for signal detection in bistatic synthetic aperture radar, with global navigation satellite systems acting as ...

作者： Lu, SP;Ge, WG;Zheng, ZX （¹Anhui Normal Univ, Dept Math, Wuhu 241000, Peoples R China. Beijing Inst Technol, Dept Appl Math, Beijing 100081, Peoples R China. Anhui Univ, Dept Math, Hefei 230039, Peoples R China.）

出处： ACTA MATHEMATICA SINICA-ENGLISH SERIES 2005 Vol.21 No.5 P1149-1158

摘要： In this paper, the authors consider the existence of periodic solutions for a kind of second neutral functional differential equation as follows: (x(t ...

作者： Zhang, J;Shi, FG;Zheng, CY （¹N China Univ Technol, Coll Sci, Beijing 100041, Peoples R China. Beijing Inst Technol, Dept Math Appl, Beijing 100081, Peoples R China. Capital Normal Univ, Dept Math, Beijing 100037, Peoples R China.）

出处： FUZZY SETS AND SYSTEMS 2005 Vol.149 No.3 P473-484

摘要： In this paper, we study L-fuzzy topological spaces, where L represents a completely distributive lattice. We shall investigate the level decomposition ...

作者： Yu, JK;Wei, ZG;Huang, XR;Li, Z;Li, QS;Sun, CC （¹Jilin Univ, Inst Theoret Chem, State Key Lab Theoret & Computat Chem, Changchun 130023, Peoples R China. Beijing Inst Technol, Dept Chem, Coll Sci, Beijing 100081, Peoples R China.）

出处： CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 2005 Vol.26 No.6 P1133-1136

摘要： The singlet potential energy surface for the reaction of HCCO radical with molecule NO2 is worked out at the CCSD(T)/6-311G(d,p)//MP2/ 6-311G(d,p)+ZPE ...