توضیحات
‘Linear Operators and Their Essential Pseudospectra provides a comprehensive study of spectral theory of linear operators defined on Banach spaces. The central items of interest in the volume include various essential spectra, but the author also considers some of the generalizations that have been studied. In recent years, spectral theory has witnessed an explosive development. This volume presents a survey of results concerning various types of essential spectra and pseudospectra in a unified, axiomatic way and also discusses several topics that are new but which relate to the concepts and methods emanating from the book. The main topics include essential spectra, essential pseudospectra, structured essential pseudospectra, and their relative sets. This volume will be very useful for several researchers since it represents not only a collection of a previously heterogeneous material but also includes innovation through several extensions. As the spectral theory of operators is an important part of functional analysis and has numerous applications in many parts of mathematics, the author suggests that some modest prerequisites from functional analysis and operator theory should be in place to be accessible to newcomers and graduate students of mathematics with a standard background in analysis.’–Provided by publisher. Read more…
Abstract: ‘Linear Operators and Their Essential Pseudospectra provides a comprehensive study of spectral theory of linear operators defined on Banach spaces. The central items of interest in the volume include various essential spectra, but the author also considers some of the generalizations that have been studied. In recent years, spectral theory has witnessed an explosive development. This volume presents a survey of results concerning various types of essential spectra and pseudospectra in a unified, axiomatic way and also discusses several topics that are new but which relate to the concepts and methods emanating from the book. The main topics include essential spectra, essential pseudospectra, structured essential pseudospectra, and their relative sets. This volume will be very useful for several researchers since it represents not only a collection of a previously heterogeneous material but also includes innovation through several extensions. As the spectral theory of operators is an important part of functional analysis and has numerous applications in many parts of mathematics, the author suggests that some modest prerequisites from functional analysis and operator theory should be in place to be accessible to newcomers and graduate students of mathematics with a standard background in analysis.’–Provided by publisher
عملگرهای خطی و شبهطیفهای ضروری آنها مطالعه جامعی از نظریه طیفی عملگرهای خطی تعریفشده در فضاهای Banach ارائه میکند. آیتم های اصلی مورد توجه در جلد شامل طیف های مختلف ضروری است، اما نویسنده برخی از کلیات مورد مطالعه را نیز در نظر می گیرد. در سال های اخیر، نظریه طیفی شاهد توسعه انفجاری بوده است. این جلد بررسی نتایج در مورد انواع مختلف طیف های اساسی و شبه طیف ها را به صورت یکپارچه و بدیهی ارائه می دهد و همچنین چندین موضوع جدید اما مرتبط با مفاهیم و روش های برآمده از کتاب موضوعات اصلی شامل طیف های ضروری، شبه طیف های ضروری، شبه طیف های ضروری ساختاریافته، و مجموعه های نسبی آنها می باشد. این جلد برای چندین محقق بسیار مفید خواهد بود زیرا نه تنها مجموعه ای از مواد ناهمگن قبلی را نشان می دهد، بلکه شامل نوآوری از طریق چندین پسوند نیز می شود. از آنجایی که نظریه طیفی عملگرها بخش مهمی از تجزیه و تحلیل تابعی است و کاربردهای متعددی در بسیاری از بخشهای ریاضیات دارد، نویسنده پیشنهاد میکند که برخی پیشنیازهای مختصر از تحلیل تابعی و نظریه عملگرها باید برای تازه واردان و دانشجویان فارغالتحصیل ریاضی در دسترس باشد. با پیشینه استاندارد در تجزیه و تحلیل.’– ارائه شده توسط ناشر. بیشتر بخوانید…
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