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Published
**1983** by Published in cooperation with the NATO Scientific Affairs Division [by] Plenum Press in New York .

Written in English

Read online- Fixed point theory -- Congresses.,
- Homotopy theory -- Congresses.,
- Convergence -- Congresses.

**Edition Notes**

Includes bibliographical references and index.

Statement | edited by B. Curtis Eaves .. [et al.]. |

Series | NATO conference series., v. 13 |

Contributions | Eaves, B. Curtis., North Atlantic Treaty Organization. Scientific Affairs Division. |

Classifications | |
---|---|

LC Classifications | QA329.9 .N37 1981 |

The Physical Object | |

Pagination | viii, 318 p. : |

Number of Pages | 318 |

ID Numbers | |

Open Library | OL3496495M |

ISBN 10 | 030641127X |

LC Control Number | 82016547 |

**Download Homotopy methods and global convergence**

The Advanced Research Institute held in Sardinia was devoted to the theory and application of modern homotopy methods. The following topics were stressed: Path-Following Techniques; Bottom-Line Applications; Global vs. Classical Methods; and Sta- v vi PREFACE of-the-Art, Perspectives and : B. Curtis Eaves.

This Proceedings presents refereed versions of most of the papers presented at the NATO Advanced Research Institute on Homotopy Methods and Global Convergence held in Porto Cervo, Sardinia, Homotopy methods and global convergence bookThis represents the fourth recent occurrence of an international conference addressing the.

About this book Introduction This Proceedings presents refereed versions of most of the papers presented at the NATO Advanced Research Institute on Homotopy Methods and Global Convergence held in Porto Cervo, Sardinia, June NATO Advanced Research Institute on Homotopy Methods and Global Covergence ( Porto Cervo, Italy).

Homotopy methods and global convergence. New York: Published in cooperation with the NATO Scientific Affairs Division [by] Plenum Press, (OCoLC) Material Type: Conference publication: Document Type: Book: All.

Piecewise Smooth Homotopies -- Global Convergence Rates of Piecewise-Linear Continuation Methods: A Probabilistic Approach -- Relationships between Deflation and Global Methods in the Problem of Approximating Additional Zeros of a System of Nonlinear Equations -- Smooth Homotopies for Finding Zeros of Entire Functions -- Where Solving for Stationary.

Homotopy methods work by first solving a simple problem and then deforming this problem into the original Homotopy methods and global convergence book problem. During this deformation or homotopy we follow paths from the solutions of the simple problem to the solutions of the complicated problem.

Global convergence analysis of the aggregate constraint homotopy method for nonlinear programming problems with both inequality and equality constraints. Optimization: Vol. 67, No. 8, pp. Author: Zhengyong Zhou, Menglong Su, Yufeng Shang, Fenghui Wang.

R n, the global convergence of the homotopy method is ensured under a similar condition. The numerical results are reported and illustrate that the method is efficient for some nonlinear complementarity : Xiaona Fan, Qinglun Yan. book [17]. The preliminaries of the current work are to introduce an effective way of determining this parameter from a simple and quick approach and also to introduce a convergence accelerating technique of the traditional HAM.

The homotopy analysis method is based on the methodology of homotopy in topol-ogy. The basic theory for probability one globally convergent homotopy algorithms was developed inand since then the theory, algorithms, and applications have considerably expanded.

These are algorithms for solving nonlinear systems of (algebraic) equations, which are convergent for almost all choices of starting by: Unlike other analytic techniques, the Homotopy Analysis Method (HAM) is independent of small/large physical parameters. Besides, it provides great freedom to choose equation type and solution expression of related linear high-order approximation equations.

The HAM provides a simple way to guarantee the convergence of solution : $ A Proximal-Gradient Homotopy Method for the Sparse Least-Squares Problem We exploit the local linear convergence using a homotopy continuation strategy, i.e., we solve the $\ell_1$-LS problem for a sequence of decreasing values of the regularization parameter, and use an approximate solution at the end of each stage to warm start the next Cited by: HOMOTOPY OPTIMIZATION METHODS 15 The Pint and homotopy functions for problems withnglobal optimization method in cases where both methods perform the same amount of computation.

A globally convergent and highly efficient homotopy method for MOS transistor circuits Abstract: Finding DC operating points of nonlinear circuits is an important and difficult task. The Newton-Raphson method adopted in the. Summary: This Proceedings presents refereed versions of most of the papers presented at the NATO Advanced Research Institute on Homotopy Methods and Global Convergence held in Porto Cervo, Sardinia, JuneThis represents the fourth recent occurrence of an international conference addressing the common theme of fixed point computation.

About this book " Homotopy Analysis Method in Nonlinear Differential Equations " presents the latest developments and applications of the analytic approximation method for highly nonlinear problems, namely the homotopy analysis method (HAM).

Unlike perturbation methods, the HAM has nothing to do with small/large physical : Springer-Verlag Berlin Heidelberg. Unlike other analytic techniques, the Homotopy Analysis Method (HAM) is independent of small/large physical parameters.

Besides, it provides great freedom to choose equation type and solution expression of related linear high-order approximation equations. The HAM provides a simple way to guarantee the convergence of solution : Shijun Liao. methods, the proposed method is essentially a homotopy method, whose global convergence can be established under mild conditions for non-convex programming problems.

Based on the existing homotopy method, we establish a new homotopy equation by introducing a suitable perturbation on the equality constraint, the existence and the global convergence of homotopy path under certain assumptions have also been proved.

In the proposed method, the initial point only needs to satisfy the inequality : Xiaona Fan, Li Jiang, Mengsi Li.

Abstract: Homotopy/continuation methods are attractive for finding dc operating points of circuits because they offer theoretical guarantees of global convergence. Existing homotopy approaches for circuits are, however, often ineffective for large mixed-signal applications.

In this paper, we describe a robust homotopy technique that is effective for solving large metal-oxide Cited by: Second, the HAM is a unified method for the Lyapunov artificial small parameter method, the delta expansion method, the Adomian decomposition method, and the homotopy perturbation method.

The greater generality of the method often allows for strong convergence of the solution over larger spatial and parameter domains. Third, the HAM gives excellent flexibility in the. () A New Proof for Global Convergence of a Smoothing Homotopy Method for the Nonlinear Complementarity Problem.

Asia-Pacific Journal of Operational Research() A Modified Analytical Approach for Fractional Discrete KdV Equations Arising in Particle by: "Homotopy Analysis Method in Nonlinear Differential Equations" presents the latest developments and applications of the analytic approximation method for highly nonlinear problems, namely the homotopy analysis method (HAM).

Unlike perturbation methods, the HAM has nothing to do with small/large physical parameters. In addition, it provides great. methods compared with methods from which they have been derived, shows that methods developed herein are more efficient than the iterative methods from which they have been derived.

Keywords: Iterative methods, quadrature based methods, convergence order, efficiency index. GSJ: Volume 6, Issue 9, September ISSN GSJ© The homotopy method, due to its global convergence property, has been extensively used in the field of nonlinear problems.

InLiao employed the basic ideas of the homotopy in topology to propose a homotopy analysis method for nonlinear : Tao Liu. K-theory or equivariant bordism.

Global equivariant homotopy theory studies such uniform phenomena, i.e., the adjective ‘global’ refers to simultaneous and compatible actions of all compact Lie groups. This book introduces a new context for global homotopy theory.

Various ways to provide a home for global stable homotopy types have previouslyFile Size: 2MB. Using Mathematica, the power of Homotopy is demonstrated in solving three nonlinear geodetic problems: resection, GPS positioning, and affine transformation.

The method enlarging the domain of convergence is found to be efficient, less sensitive to rounding of numbers, and has lower complexity compared to other local methods like Newton–Raphson.'. A condition for global convergence of a homotopy method for a variational inequality problem (VIP) on an unbounded set is introduced.

The condition is derived from a concept of a solution at infinity to VIP. By an argument of the existence of a homotopy path, we show that VIP has a solution if it has no solution at infinity.

It is proved that if any of several well-known conditions. Abstract: We consider solving the $\ell_1$-regularized least-squares ($\ell_1$-LS) problem in the context of sparse recovery, for applications such as compressed sensing. The standard proximal gradient method, also known as iterative soft-thresholding when applied to this problem, has low computational cost per iteration but a rather slow convergence by: 2.

We consider solving the ℓ1-regularized least-squares (ℓ1-LS) problem in the context of sparse recovery, for applications such as compressed sensing.

The standard proximal gradient method, also known as iterative soft-thresholding when applied to this problem, has low computational cost per iteration but a rather slow convergence rate. Homotopy methods are attractive for finding DC operating points of nonlinear circuits due to its global convergence in principle.

In this paper the Homotopy method using a nonlinear auxiliary function is described and implemented for MOS transistor by: 3. Homotopy Perturbation Method: /ch The homotopy perturbation method (HPM) is employed to compute an approximation to the solution of the system of nonlinear differential equations governing on.

We apply the homotopy perturbation method to obtain the solution of partial differential equations of fractional order. This method is powerful tool to find exact and approximate solution of many linear and nonlinear partial differential equations of fractional order.

Convergence of the method is proved and the convergence analysis is reliable enough to estimate the maximum Cited by: 7. Semi-supervised Support Vector Machines is an appealing method for using unlabeled data in classification.

Smoothing homotopy method is one of feasible method for solving semi-supervised support vector machines. In this paper, an inexact implementation of the smoothing homotopy method is considered.

The numerical implementation is based on a truncated Author: Huijuan Xiong, Feng Shi. This paper proposes a homotopy method based on a penalty function for solving nonlinear semidefinite programming problems.

The penalty function is the composite function of an exponential penalty function, the eigenvalue function and a nonlinear operator mapping. homotopy continuation. Theorem Let F be a 0-dimensional square polynomial system.

Then for the homotopy () using the total-degree start system G and a generic 2C (1) for every start solution x 0 2V(G) the homotopy path x(t) starting at x 0 = x(0) is regular for t2[0;1); (2) every target solution x 1 2V(F) is at the end of some File Size: KB.

Passivity and no-gain properties establish global convergence of a homotopy method for DC operating points. In Proceedings of the IEEE International Symposium on Circuits and Systems (New Orleans, La., May).Cited by: 1.

[1] R. Agarwal, Difference Equations and Inequalities, Marcel Dekker, Newyork, doi: / Google Scholar [2] M. Asiru, Further properties of the Sumudu transform and its applications, International Journal of Mathematical Education in Science and Technology, 33 (), doi: / Author: Figen Özpinar, Fethi Bin Muhammad Belgacem.

method [4–7,10,41], can not guarantee the convergence of approximation series. So, these traditional non-perturbation methods satisfy only the standard (a) but not the standard (b) mentioned before.

2 Theearly HAM In Liao [17] took the lead to apply the homotopy [13], a basic concept in topol-File Size: KB. ATANSH-based homotopy methods in production use have led to the routine solution of large previously hard-to-solve industrial circuits, several examples of which are presented.

Index Terms—Circuit simulation, continuation, dc convergence, homotopy. Delivering global DC convergence for large mixed-signal circuits via homotopy/continuation [email protected]{osti_, title = {Homotopy optimization methods for global optimization.}, author = {Dunlavy, Daniel M.

and O'Leary, Dianne P.}, abstractNote = {We define a new method for global optimization, the Homotopy Optimization Method (HOM). This method differs from previous homotopy and continuation methods in that its aim is to find a minimizer for each of a set of values of the homotopy.Downloadable (with restrictions)!

This paper proposes a homotopy method based on a penalty function for solving nonlinear semidefinite programming problems. The penalty function is the composite function of an exponential penalty function, the eigenvalue function and a nonlinear operator mapping. Representations of its first and second order derivatives are given.