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Positive Solutions to Singular Boundary Value Problems with Sign Changing Nonlinearities on the Half-Line via Upper and Lower Solutions
boundary value problems lower and upper solutions Schauder's fixed point theorem
2007/12/11
This paper presents a lower and upper solution technique for singular second order boundary value problems on the half line.
The Global Convergence of Self-scale BFGS Algorithm with Nonmonotone Line Search for Unconstrained Nonconvex Optimization Problems
nonmonotone line search self-scaling BFGS method global convergence
2007/12/11
The self-scaling quasi-Newton method solves an unconstrained optimization problem by scaling the Hessian approximation matrix before it is updated at each iteration to avoid the possible large eigenva...
STOCHASTIC APPROXIMATION IN REAL TIME:A PIPE LINE APPROACH
STOCHASTIC APPROXIMATION IN REAL TIME:A PIPE LINE APPROACH
2007/12/10
A new approach for stochastic approximation in real time is developed. A number of processors are simultaneously active to carry out a computing task. All processors work on the same system with diffe...
THE COHOMOLOGY OF LINE BUNDLES ON NON-PRIMARY HOPF MANIFOLDS
non-primary Hopf manifold cohomology line bundles Douady sequence
2007/12/10
The purpose of the present paper is to give an elementary method for the computation of the cohomology groups $H^{q}(X,\Omega^{p}_{X}(L)) ,\ (0\leq q\leq n)$ of an n-dimensional non-primary Hopf manif...
期刊信息
篇名
The Uniqueness of Limit Cycles for a Quadratic System with an Invariant Straight Line
语种
英文
撰写或编译
撰写
作者
周毓荣,王成文
第一作者单位
山东科技大学
刊物名称
International Journal of Pure and Applied Mathematics (SCI)
页...
Random almost holomorphic sections of ample line bundles on symplectic manifolds
holomorphic sections line bundles on symplectic manifolds
2010/10/29
The spaces $H^0(M, L^N)$ of holomorphic sections of the powers of an ample line bundle $L$ over a compact K\"ahler manifold $(M,\omega)$ have been generalized by Boutet de Monvel and Guillemin to spa...
A formula for Euler characteristic of line singularities on singular spaces
Euler characteristic line singularities singular spaces
2010/10/29
We prove an algebraic formula for the Euler characteristic of the Milnor fibres of functions with critical locus a smooth curve on a space which is a weighted homogeneous complete intersection with is...
Some Results on Space-Like Line Congruences and Their Space-Like Parameter Ruled Surface
Space-Like Line Congruences Space-Like Parameter Ruled Surface
2010/3/3
Using dual vectors, space-like ruled surfaces was introduced in [2]. In this paper, we define space-like line congruence and their space-like parameter ruled surfaces {\mathbf R11(t)} and {\mathbf R21...