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Books > Science & Mathematics > Mathematics
This book contains selected chapters on recent research in
topology. It bridges the gap between recent trends of topological
theories and their applications in areas like social sciences,
natural sciences, soft computing, economics, theoretical chemistry,
cryptography, pattern recognitions and granular computing. There
are 14 chapters, including two chapters on mathematical economics
from the perspective of topology. The book discusses topics on
function spaces, relator space, preorder, quasi-uniformities,
bitopological dynamical systems, b-metric spaces and related fixed
point theory. This book is useful to researchers, experts and
scientists in studying the cutting-edge research in topology and
related areas and helps them applying topology in solving real-life
problems the society and science are facing these days..Â
Boundary value problems on bounded or unbounded intervals,
involving two or more coupled systems of nonlinear differential and
integral equations with full nonlinearities, are scarce in the
literature. The present work by the authors desires to fill this
gap. The systems covered here include differential and integral
equations of Hammerstein-type with boundary constraints, on bounded
or unbounded intervals. These are presented in several forms and
conditions (three points, mixed, with functional dependence,
homoclinic and heteroclinic, amongst others). This would be the
first time that differential and integral coupled systems are
studied systematically. The existence, and in some cases, the
localization of the solutions are carried out in Banach space,
following several types of arguments and approaches such as
Schauder's fixed-point theorem or Guo-Krasnosel'ski? fixed-point
theorem in cones, allied to Green's function or its estimates,
lower and upper solutions, convenient truncatures, the Nagumo
condition presented in different forms, the concept of
equiconvergence, Caratheodory functions, and sequences. Moreover,
the final part in the volume features some techniques on how to
relate differential coupled systems to integral ones, which require
less regularity. Parallel to the theoretical explanation of this
work, there is a range of practical examples and applications
involving real phenomena, focusing on physics, mechanics, biology,
forestry, and dynamical systems, which researchers and students
will find useful.
Secret sharing schemes form one of the most important topic in
Cryptography. These protocols are used in many areas, applied
mathematics, computer science, electrical engineering. A secret is
divided into several pieces called shares. Each share is given to a
user of the system. Each user has no information about the secret,
but the secret can be retrieved by certain authorized coalition of
users.This book is devoted to such schemes inspired by Coding
Theory. The classical schemes of Shamir, Blakley, Massey are
recalled. Survey is made of research in Combinatorial Coding Theory
they triggered, mostly self-dual codes, and minimal codes.
Applications to engineering like image processing, and key
management of MANETs are highlighted.
This book is intended as a textbook for a one-term senior
undergraduate (or graduate) course in Ring and Field Theory, or
Galois theory. The book is ready for an instructor to pick up to
teach without making any preparations.The book is written in a way
that is easy to understand, simple and concise with simple historic
remarks to show the beauty of algebraic results and algebraic
methods. The book contains 240 carefully selected exercise
questions of varying difficulty which will allow students to
practice their own computational and proof-writing skills. Sample
solutions to some exercise questions are provided, from which
students can learn to approach and write their own solutions and
proofs. Besides standard ones, some of the exercises are new and
very interesting. The book contains several simple-to-use
irreducibility criteria for rational polynomials which are not in
any such textbook.This book can also serve as a reference for
professional mathematicians. In particular, it will be a nice book
for PhD students to prepare their qualification exams.
This book provides a concise introduction to both the special
theory of relativity and the general theory of relativity. The
format is chosen to provide the basis for a single semester course
which can take the students all the way from the foundations of
special relativity to the core results of general relativity: the
Einstein equation and the equations of motion for particles and
light in curved spacetime. To facilitate access to the topics of
special and general relativity for science and engineering students
without prior training in relativity or geometry, the relevant
geometric notions are also introduced and developed from the ground
up. Students in physics, mathematics or engineering with an
interest to learn Einstein's theories of relativity should be able
to use this book already in the second semester of their third
year. The book could also be used as the basis of a graduate level
introduction to relativity for students who did not learn
relativity as part of their undergraduate training.
This book examines ultrametric Banach algebras in general. It
begins with algebras of continuous functions, and looks for maximal
and prime ideals in connections with ultrafilters on the set of
definition. The multiplicative spectrum has shown to be
indispensable in ultrametric analysis and is described in the
general context and then, in various cases of Banach
algebras.Applications are made to various kind of functions:
uniformly continuous functions, Lipschitz functions, strictly
differentiable functions, defined in a metric space. Analytic
elements in an algebraically closed complete field (due to M
Krasner) are recalled with most of their properties linked to
T-filters and applications to their Banach algebras, and to the
ultrametric holomorphic functional calculus, with applications to
spectral properties. The multiplicative semi-norms of Krasner
algebras are characterized by circular filters with a metric and an
order that are examined.The definition of the theory of affinoid
algebras due to J Tate is recalled with all the main algebraic
properties (including Krasner-Tate algebras). The existence of
idempotents associated to connected components of the
multiplicative spectrum is described.
Holographic dualities are at the forefront of contemporary physics
research, peering into the fundamental nature of our universe and
providing best attempt answers to humankind's bold questions about
basic physical phenomena. Yet, the concepts, ideas and mathematical
rigors associated with these dualities have long been reserved for
the specific field researchers and experts. This book shatters this
long held paradigm by bringing several aspects of holography
research into the class room, starting at the college physics level
and moving up from there.
Developments in the use of game theory have impacted multiple
fields and created opportunities for new applications. With the
ubiquity of these developments, there is an increase in the overall
utilization of this approach. Game Theory: Breakthroughs in
Research and Practice contains a compendium of the latest academic
material on the usage, strategies, and applications for
implementing game theory across a variety of industries and fields.
Including innovative studies on economics, military strategy, and
political science, this multi-volume book is an ideal source for
professionals, practitioners, graduate students, academics, and
researchers interested in the applications of game theory.
The results of renormalized perturbation theory, in QCD and other
quantum field theories, are ambiguous at any finite order, due to
renormalization-scheme dependence. The perturbative results depend
upon extraneous scheme variables, including the renormalization
scale, that the exact result cannot depend on. Such 'non-invariant
approximations' occur in many other areas of physics, too. The
sensible strategy is to find where the approximant is stationary
under small variations of the extraneous variables. This general
principle is explained and illustrated with various examples. Also
dimensional transmutation, RG equations, the essence of
renormalization and the origin of its ambiguities are explained in
simple terms, assuming little or no background in quantum field
theory. The minimal-sensitivity approach leads to 'optimized
perturbation theory,' which is developed in detail. Applications to
Re+e-, the infrared limit, and to the optimization of factorized
quantities, are also discussed thoroughly.
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