標(biāo)題: Titlebook: Counterexamples in Operator Theory; Mohammed Hichem Mortad Textbook 2022 The Editor(s) (if applicable) and The Author(s), under exclusive [打印本頁(yè)] 作者: 猛烈抨擊 時(shí)間: 2025-3-21 19:14
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書目名稱Counterexamples in Operator Theory讀者反饋學(xué)科排名
作者: Neutropenia 時(shí)間: 2025-3-21 20:32
Basic Notionsces and inequalities, absolutely continuous functions, and distributions. Readers who are not accustomed to these concepts are therefore invited to consult the very end of this book, where two small chapters are devoted to them. They should also consult [., .], and [.] for further reading.作者: 暫停,間歇 時(shí)間: 2025-3-22 01:15 作者: Vsd168 時(shí)間: 2025-3-22 04:53
Textbook 2022inear operators in Hilbert spaces. This volume is geared towards graduate students studying operator theory, and the author has designated the difficulty level for each counterexample, indicating which ones are also suitable for advanced undergraduate students..The first half of the book focuses on 作者: 折磨 時(shí)間: 2025-3-22 08:42 作者: FLUSH 時(shí)間: 2025-3-22 13:21
luded are the author’s original work.?.Counterexamples in Operator Theory. can be used by students in graduate courses on operator theory and advanced matrix theory. Previous coursework in advanced linear algeb978-3-030-97816-7978-3-030-97814-3作者: FLUSH 時(shí)間: 2025-3-22 18:34
https://doi.org/10.1007/978-3-030-97814-3bounded and unbounded operators; counterexamples in operator theory; Fuglede-Putnam theorem; unbounded 作者: Liability 時(shí)間: 2025-3-22 23:12 作者: aristocracy 時(shí)間: 2025-3-23 03:23
Norbert Konegen,Klaus Sondergeldthat, that is, we mean in particular those operators which are in some sense connected or bear a certain resemblance to normal ones. Moreover, most of these classes coincide with normal operators on finite-dimensional spaces.作者: irritation 時(shí)間: 2025-3-23 06:40 作者: patriarch 時(shí)間: 2025-3-23 10:13 作者: 裙帶關(guān)系 時(shí)間: 2025-3-23 14:32 作者: 古代 時(shí)間: 2025-3-23 21:50 作者: 改正 時(shí)間: 2025-3-23 23:39
Einleitung: Bedeutungen erfahrenLet . be a .-Hilbert space, and let .?∈?.(.).作者: 阻擋 時(shí)間: 2025-3-24 05:12 作者: achlorhydria 時(shí)間: 2025-3-24 10:14
Das Normative der Kommunikationsfreiheit,Let .?∈?.(.). We say that .?∈?.(.) is a square root of . if ..?=?..作者: 掙扎 時(shí)間: 2025-3-24 13:38
Zur Systemhaftigkeit des Rundfunks,It is well known that if ., then . denotes the modulus of .. It is possible to extend this definition to the case of linear operators.作者: 啞巴 時(shí)間: 2025-3-24 18:33
Wege zur Theorie des RundfunkwandelsLet .?∈?.(.) where . is a complex Hilbert space. The set . is called the spectrum of ..作者: 排出 時(shí)間: 2025-3-24 20:21
Unternehmen in der Akzeptanzkrise,Let . be in .(.). The spectral radius of . is defined as 作者: 樹膠 時(shí)間: 2025-3-25 02:22
Problemstellung und Aufbau der Arbeit,The functional calculus aims to define .(.) where . is a fixed operator, and . belongs to some classes of functions defined in domains containing .(.), say. We already know that this is possible for any polynomial .. We also know how to define the exponential of . at an undergraduate level (this will be recalled in Chap. .).作者: coltish 時(shí)間: 2025-3-25 05:30
,Glaubwürdigkeit: ein Forschungsüberblick,One of the most powerful tools in the theory of normal operators is the following Fuglede theorem.作者: Mindfulness 時(shí)間: 2025-3-25 09:20 作者: 玉米棒子 時(shí)間: 2025-3-25 15:20
Norbert Konegen,Klaus SondergeldClearly, . and . have the same eigenvalues which, in this setting, means that . and . have equal spectra. To see why . and . are not unitarily equivalent, remember that two unitarily equivalent operators are simultaneously (e.g.) self-adjoint. Since . is self-adjoint and . is not, it follows that they cannot be unitarily equivalent.作者: Coronary-Spasm 時(shí)間: 2025-3-25 17:36
Norbert Konegen,Klaus SondergeldConsider the operator equation: . where ., ., .?∈?.(.) are given and .?∈?.(.) is the unknown. This equation is more commonly known as the Sylvester equation.作者: 痛得哭了 時(shí)間: 2025-3-25 20:44
Norbert Konegen,Klaus SondergeldShow that the mapping .?.. defined from .(.) into .(.) is not weakly continuous, that is, find a sequence (..) in .(.) that converges weakly to .?∈?.(.) yet . does not converge weakly to ...作者: admission 時(shí)間: 2025-3-26 01:23
Some Basic PropertiesThroughout this chapter, . and . denote two Hilbert spaces over . unless otherwise stated.作者: 王得到 時(shí)間: 2025-3-26 08:16
Basic Classes of Bounded Linear OperatorsLet . be a Hilbert space, and let .?∈?.(.). Let . be the identity operator on ..作者: 革新 時(shí)間: 2025-3-26 11:28
Operator TopologiesLet . be a Hilbert space, and let (..) be a sequence in .(.).作者: 腐爛 時(shí)間: 2025-3-26 13:53 作者: LATHE 時(shí)間: 2025-3-26 19:10 作者: nominal 時(shí)間: 2025-3-26 23:14
(Square) Roots of Bounded OperatorsLet .?∈?.(.). We say that .?∈?.(.) is a square root of . if ..?=?..作者: Tdd526 時(shí)間: 2025-3-27 01:59 作者: blight 時(shí)間: 2025-3-27 06:39
SpectrumLet .?∈?.(.) where . is a complex Hilbert space. The set . is called the spectrum of ..作者: 聯(lián)合 時(shí)間: 2025-3-27 10:26
Spectral Radius, Numerical RangeLet . be in .(.). The spectral radius of . is defined as 作者: 菊花 時(shí)間: 2025-3-27 14:09
Functional CalculiThe functional calculus aims to define .(.) where . is a fixed operator, and . belongs to some classes of functions defined in domains containing .(.), say. We already know that this is possible for any polynomial .. We also know how to define the exponential of . at an undergraduate level (this will be recalled in Chap. .).作者: EXUDE 時(shí)間: 2025-3-27 21:46 作者: calamity 時(shí)間: 2025-3-27 23:17 作者: aesthetic 時(shí)間: 2025-3-28 05:56
Similarity and Unitary EquivalenceClearly, . and . have the same eigenvalues which, in this setting, means that . and . have equal spectra. To see why . and . are not unitarily equivalent, remember that two unitarily equivalent operators are simultaneously (e.g.) self-adjoint. Since . is self-adjoint and . is not, it follows that they cannot be unitarily equivalent.作者: Proponent 時(shí)間: 2025-3-28 08:06
The Sylvester EquationConsider the operator equation: . where ., ., .?∈?.(.) are given and .?∈?.(.) is the unknown. This equation is more commonly known as the Sylvester equation.作者: consolidate 時(shí)間: 2025-3-28 11:29 作者: 不要不誠(chéng)實(shí) 時(shí)間: 2025-3-28 18:06 作者: 知識(shí)分子 時(shí)間: 2025-3-28 21:44
Basic Notionsces and inequalities, absolutely continuous functions, and distributions. Readers who are not accustomed to these concepts are therefore invited to consult the very end of this book, where two small chapters are devoted to them. They should also consult [., .], and [.] for further reading.作者: vibrant 時(shí)間: 2025-3-28 22:58 作者: 面包屑 時(shí)間: 2025-3-29 03:18 作者: 嘴唇可修剪 時(shí)間: 2025-3-29 11:11
Norbert Konegen,Klaus Sondergeldthat, that is, we mean in particular those operators which are in some sense connected or bear a certain resemblance to normal ones. Moreover, most of these classes coincide with normal operators on finite-dimensional spaces.作者: 社團(tuán) 時(shí)間: 2025-3-29 11:56
Norbert Konegen,Klaus Sondergeldces and inequalities, absolutely continuous functions, and distributions. Readers who are not accustomed to these concepts are therefore invited to consult the very end of this book, where two small chapters are devoted to them. They should also consult [., .], and [.] for further reading.作者: 哀悼 時(shí)間: 2025-3-29 17:04 作者: conifer 時(shí)間: 2025-3-29 23:05
Sara Imari Walkert stakeholders with different backgrounds. Constant changes in both the problem and the?solution domain make the work of the stakeholders extremely dynamic. New problems are discovered, additional information is needed, alternative solutions are proposed, several options are evaluated, and new hands作者: 帶子 時(shí)間: 2025-3-30 03:56 作者: gain631 時(shí)間: 2025-3-30 07:53 作者: tenosynovitis 時(shí)間: 2025-3-30 11:41
Survival International: Anthropologie und soziale Gerechtigkeitd vor allem an der kulturell-symbolischen Ordnung interessiert war, doch weit darüber hinaus und mündete schlie?lich in der ganz praktischen Sorge um das Wohlergehen indigener und in St?mmen lebender V?lker.作者: 手術(shù)刀 時(shí)間: 2025-3-30 13:44 作者: 凹槽 時(shí)間: 2025-3-30 18:26
, Digital Textbooks–Users’ Requirements,nclude to meet today’s users’ attitudes, skills, and learning requirements. In this context, the term user describes, firstly, students and secondly, teachers. The focus is on conceptual and media didactic thoughts, motivational aspects and visual design factors, whereas subject education considerat作者: CRUDE 時(shí)間: 2025-3-30 23:59 作者: 藕床生厭倦 時(shí)間: 2025-3-31 03:23 作者: 委派 時(shí)間: 2025-3-31 08:01 作者: 小歌劇 時(shí)間: 2025-3-31 12:10
The Individual and His Valueom him certain concessions and sacrifices. These are not means for maintaining or increasing the state’s power and authority for its own sake, but rather for ensuring the ability of the individual citizens to fulfill their individuality however it may be understood.作者: CLOWN 時(shí)間: 2025-3-31 15:11 作者: adj憂郁的 時(shí)間: 2025-3-31 19:48
Wolf W. Laskoioned in the relevant chapters. lowe a special debt of gratitude to the members of my graduate seminar on aspect in the spring of 1990: they raised many questions of importance which made a real differ- ence to the final form of the theory. I have benefitted from presenting parts of this material pu作者: 感染 時(shí)間: 2025-3-31 23:32
Conference proceedings 2009uch as information and communication technologies, micro- and nanosystems, optics and biotechnology, the congress will serve as an inter- and multidisciplinary platform that brings together people from basic research, R&D, industry and medical application to discuss these issues. As a major event fo作者: 沙發(fā) 時(shí)間: 2025-4-1 05:46
978-3-658-25325-7Springer Fachmedien Wiesbaden GmbH, ein Teil von Springer Nature 2019作者: 借喻 時(shí)間: 2025-4-1 09:41 作者: 職業(yè) 時(shí)間: 2025-4-1 14:03
Einleitung,h wegen der Verschiedenartigkeit in der Aufgabestellung und wegen der Art ihrer L?sung. Hier stehen sich nicht nur Bücher mit praktischen Zielen und solche mit rein theoretischen Er?rterungen, nicht nur solche mit objektiver Beurteilung des Problems und solche mit einer durch Partei- und Interessens
