Автор: Riemann Hugo Название: Introduction to Playing from Score ISBN: 1340092689 ISBN-13(EAN): 9781340092689 Издательство: Неизвестно Цена: 37790.00 T Наличие на складе: Невозможна поставка.
Автор: Cornelia Grama, Nicolae Grama, Ioan Zamfirescu Название: Riemann Surface Approach to Natural Modes: Exotic Resonant States ISBN: 1620810638 ISBN-13(EAN): 9781620810637 Издательство: Nova Science Рейтинг: Цена: 166840.00 T Наличие на складе: Невозможна поставка. Описание: A global method for the analysis of all natural modes in quantum mechanics is presented. In the framework of this method the global analysis of the pole function k=k(l)(g), which gives the S-matrix poles as a function of the potential strength g, is done. The method involves the construction of the Riemann surface Rg(l) over the g plane, on which the function k=k(l)(g) is single-valued and analytic. To each natural mode of the quantum system a sheet of the Riemann surface Rg(l) is associated. A new quantum number with topological meaning is introduced in order to label a natural mode. The method is applied to various local potentials, including a coupled-channel potential, as well as a non-local potential. A new class of resonant states (exotic resonant states) was identified. The wave function of an exotic resonant state is mostly confined to the region of the potential barrier. The di-nuclear parent quasimolecular states represent a particular case of exotic resonant states for a potential well with Coulomb barrier. The method allows not only studying each state of a quantum system, but also to understand the transitions from a quantum state to another state as a result of the potential strength variation. The problems are taken from quantum physics, but the method can be applied in any field of science involving the natural modes. The described method can be applied in electromagnetism, atomic and molecular physics, nuclear physics, particle physics, solid-state physics with application in nanoscience and electronic devices, chemical physics, and optics. The purpose of this book is to provide a reference for researchers and postgraduates. The reader is assumed to be familiar with the elements of the quantum theory of scattering and the elements of the analytic functions theory.
Автор: Paraskevas Alvanos Название: Riemann-Roch Spaces and Computation ISBN: 3110426137 ISBN-13(EAN): 9783110426137 Издательство: Walter de Gruyter Рейтинг: Цена: 49530.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание: The book focuses on the educational perspective of Riemann-Roch spaces and the computation of algebraic structures connected to the Riemann-Roch theorem, which is a useful tool in fields of complex analysis and algebraic geometry. On one hand, the theorem connects the Riemann surface with its topological genus, and on the other it allows us to compute the algebraic function field spaces. In the first part of this book, algebraic structures and some of their properties are presented. The second part shows efficient algorithms and examples connected to Riemann-Roch spaces. What is important, a variety of examples with codes of algorithms are given in the book, covering the majority of the cases.
Автор: Oleg K. Sheinman Название: Current Algebras on Riemann Surfaces ISBN: 3110263963 ISBN-13(EAN): 9783110263961 Издательство: Walter de Gruyter Цена: 126570.00 T Наличие на складе: Нет в наличии. Описание: This monograph is an introduction into a new and fast developing field on the crossroads of infinite-dimensional Lie algebra theory and contemporary mathematical physics. It contains a self-consistent presentation of the theory of Krichever-Novikov algebras, Lax operator algebras, their interaction, representation theory, relations to moduli spaces of Riemann surfaces and holomorphic vector bundles on them, to Lax integrable systems, and conformal field theory. For beginners, the book provides a short way to join in the investigations in these fields. For experts, it sums up the recent advances in the theory of almost graded infinite-dimensional Lie algebras and their applications.The book may serve as a base for semester lecture courses on finite-dimensional integrable systems, conformal field theory, almost graded Lie algebras. Majority of results are presented for the first time in the form of monograph.
Автор: Dragomir, Silvestru Sever (victoria University, Melbourne, Australia) Название: Riemann-stieltjes integral inequalities for complex functions defined on unit circle ISBN: 036733710X ISBN-13(EAN): 9780367337100 Издательство: Taylor&Francis Рейтинг: Цена: 63280.00 T Наличие на складе: Невозможна поставка. Описание: The main aim of this book is to present several results related to functions of unitary operators on complex Hilbert spaces obtained, by the author in a sequence of recent research papers.
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