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Mathematical Control Theory for Stochastic Partial Differential Equations (Hardcover, 1st ed. 2021): Qi Lu, Xu Zhang Mathematical Control Theory for Stochastic Partial Differential Equations (Hardcover, 1st ed. 2021)
Qi Lu, Xu Zhang
R4,715 Discovery Miles 47 150 Ships in 12 - 17 working days

This is the first book to systematically present control theory for stochastic distributed parameter systems, a comparatively new branch of mathematical control theory. The new phenomena and difficulties arising in the study of controllability and optimal control problems for this type of system are explained in detail. Interestingly enough, one has to develop new mathematical tools to solve some problems in this field, such as the global Carleman estimate for stochastic partial differential equations and the stochastic transposition method for backward stochastic evolution equations. In a certain sense, the stochastic distributed parameter control system is the most general control system in the context of classical physics. Accordingly, studying this field may also yield valuable insights into quantum control systems. A basic grasp of functional analysis, partial differential equations, and control theory for deterministic systems is the only prerequisite for reading this book.

Philosophical Semiotics - The Coming into Being of the World of Meaning (Hardcover, 1st ed. 2022): Yiheng Zhao Philosophical Semiotics - The Coming into Being of the World of Meaning (Hardcover, 1st ed. 2022)
Yiheng Zhao; Translated by Xiaoli Fang, Xu Zhang
R1,685 Discovery Miles 16 850 Ships in 12 - 17 working days

This book attempts to solve the question whether semiotics is a methodology as is generally held and if the studies of meaning and the mind can shed light on a series of metaphysical issues, so that the edifice of semiotics could be erected on a philosophical ground. It proposes that a philosophical semiotics is, by necessity, a semiotic phenomenology about the construction of the "world of meaning" by signs, and any discussion about semiotics has to proceed around two core issues: meaning and the mind. This book particularly exemplifies the semiotic connections in various schools of traditional Chinese philosophies. In the "Pre-Imperial Age" (before BC 300), there emerged an abundance of semiotic thinking in China, from Yijing the first sign system that aims to explain everything in the world, to the Namists's subtle argument about the form of meaning, from the Yin-Yang/five elements of the Han, to the "Things are non-existent while mind is non-non-existent" principle of the Vijnaptimatratasiddhi School of Buddhism in the Tang, and from the Sudden Revelation of Chan Buddhism to the "Nothing outside the mind" endorsed by the Mindist Confucianism in the Ming. The mighty trend of philosophical heritage provides rich food to our understanding of the form of meaning.

English Quasi-Numeral Classifiers - A Corpus-Based Cognitive-Typological Study (Hardcover, New edition): Xu Zhang English Quasi-Numeral Classifiers - A Corpus-Based Cognitive-Typological Study (Hardcover, New edition)
Xu Zhang
R2,599 Discovery Miles 25 990 Ships in 12 - 17 working days

This book is an interdisciplinary study of English binominal quantitative constructions based on English-Chinese comparison. Taking three perspectives, i.e. a functional-typological perspective, a cognitive approach, and a corpus-based method, it aims to unveil the hidden categorisation process behind the usage of English binominal quantitative constructions and to reveal the language universal in cognising the concepts of 'Quantity' and 'Quality'. It argues against treating Chinese and English as members of two opposing typological camps concerning quantification modes ('classifier languages' versus 'non-classifier languages') and advocates to view the two languages as lying within a more extended and inclusive system, viz. a system of quantification and categorisation modes, or a Quantity-Quality continuum.

High Performance Liquid Chromatography Fingerprinting Technology Of The Commonly-used Traditional Chinese Medicine Herbs... High Performance Liquid Chromatography Fingerprinting Technology Of The Commonly-used Traditional Chinese Medicine Herbs (Hardcover)
Seng Poon Ong, Baochang Cai; Edited by Pengchi Zhang; Xunhong Liu; Edited by Wee Wee Ng, …
R3,350 Discovery Miles 33 500 Ships in 12 - 17 working days

This book provides a comprehensive and up-to-date account of the HPLC technology and fingerprints of commonly-used Chinese herbs. It contains HPLC fingerprints of over 40 traditional Chinese medicinal herbs and details of their sources, production and quality control. The book provides a practical review of the techniques, relevant materials, and the particular demands for using HPLC in traditional Chinese medicinal herb applications. It also covers HPLC methods used to analyze the herbs.High-performance liquid chromatography (HPLC) is increasingly used in the field of traditional Chinese medicine for obtaining fingerprints of Chinese medicinal herbs. Advantages such as high speed, high resolution, high sensitivity, stability, accuracy, and automation make it one of the leading techniques used for quality control, standardization of planting, and new drug development in traditional Chinese medicine.To date, no other books on HPLC fingerprints of traditional Chinese medicinal herbs have been published in English. This is the first book in English devoted to providing readers with state-of-the-art information on HPLC applied in the analysis of traditional Chinese medicinal herbs.

General Pontryagin-Type Stochastic Maximum Principle and Backward Stochastic Evolution Equations in Infinite Dimensions... General Pontryagin-Type Stochastic Maximum Principle and Backward Stochastic Evolution Equations in Infinite Dimensions (Paperback, 2014 ed.)
Qi Lu, Xu Zhang
R2,273 Discovery Miles 22 730 Ships in 10 - 15 working days

The classical Pontryagin maximum principle (addressed to deterministic finite dimensional control systems) is one of the three milestones in modern control theory. The corresponding theory is by now well-developed in the deterministic infinite dimensional setting and for the stochastic differential equations. However, very little is known about the same problem but for controlled stochastic (infinite dimensional) evolution equations when the diffusion term contains the control variables and the control domains are allowed to be non-convex. Indeed, it is one of the longstanding unsolved problems in stochastic control theory to establish the Pontryagin type maximum principle for this kind of general control systems: this book aims to give a solution to this problem. This book will be useful for both beginners and experts who are interested in optimal control theory for stochastic evolution equations.

Mathematical Control Theory for Stochastic Partial Differential Equations (Paperback, 1st ed. 2021): Qi Lu, Xu Zhang Mathematical Control Theory for Stochastic Partial Differential Equations (Paperback, 1st ed. 2021)
Qi Lu, Xu Zhang
R4,928 Discovery Miles 49 280 Ships in 10 - 15 working days

This is the first book to systematically present control theory for stochastic distributed parameter systems, a comparatively new branch of mathematical control theory. The new phenomena and difficulties arising in the study of controllability and optimal control problems for this type of system are explained in detail. Interestingly enough, one has to develop new mathematical tools to solve some problems in this field, such as the global Carleman estimate for stochastic partial differential equations and the stochastic transposition method for backward stochastic evolution equations. In a certain sense, the stochastic distributed parameter control system is the most general control system in the context of classical physics. Accordingly, studying this field may also yield valuable insights into quantum control systems. A basic grasp of functional analysis, partial differential equations, and control theory for deterministic systems is the only prerequisite for reading this book.

Carleman Estimates for Second Order Partial Differential Operators and Applications - A Unified Approach (Paperback, 1st ed.... Carleman Estimates for Second Order Partial Differential Operators and Applications - A Unified Approach (Paperback, 1st ed. 2019)
Xiaoyu Fu, Qi Lu, Xu Zhang
R1,985 Discovery Miles 19 850 Ships in 10 - 15 working days

This book provides a brief, self-contained introduction to Carleman estimates for three typical second order partial differential equations, namely elliptic, parabolic, and hyperbolic equations, and their typical applications in control, unique continuation, and inverse problems. There are three particularly important and novel features of the book. First, only some basic calculus is needed in order to obtain the main results presented, though some elementary knowledge of functional analysis and partial differential equations will be helpful in understanding them. Second, all Carleman estimates in the book are derived from a fundamental identity for a second order partial differential operator; the only difference is the choice of weight functions. Third, only rather weak smoothness and/or integrability conditions are needed for the coefficients appearing in the equations. Carleman Estimates for Second Order Partial Differential Operators and Applications will be of interest to all researchers in the field.

Trustworthy Computing and Services - International Conference, ISCTCS 2014, Beijing, China, November 28-29, 2014, Revised... Trustworthy Computing and Services - International Conference, ISCTCS 2014, Beijing, China, November 28-29, 2014, Revised Selected papers (Paperback, 2015 ed.)
Lu Yueming, Wu Xu, Zhang XI
R2,836 Discovery Miles 28 360 Ships in 10 - 15 working days

This book constitutes the refereed proceedings of the International Standard Conference on Trustworthy Computing and Services, ISCTCS 2014, held in Beijing, China, in November 2014. The 51 revised full papers presented were carefully reviewed and selected from 279 submissions. The topics covered are architecture for trusted computing systems; trusted computing platform; trusted system building; network and protocol security; mobile network security; network survivability, other critical theories and standard systems; credible assessment; credible measurement and metrics; trusted systems; trusted networks; trusted mobile networks; trusted routing; trusted software; trusted operating systems; trusted storage; fault-tolerant computing and other key technologies; trusted e-commerce and e-government; trusted logistics; trusted internet of things; trusted cloud and other trusted services and applications.

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