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Books > Science & Mathematics > Physics > General
Energy and power are fundamental concepts in electromagnetism and
circuit theory, as well as in optics, signal processing, power
engineering, electrical machines, and power electronics. However,
in crossing the disciplinary borders, we encounter understanding
difficulties due to (1) the many possible mathematical
representations of the same physical objects, and (2) the many
possible physical interpretations of the same mathematical
entities. The monograph proposes a quantum and a relativistic
approach to electromagnetic power theory that is based on recent
advances in physics and mathematics. The book takes a fresh look at
old debates related to the significance of the Poynting theorem and
the interpretation of reactive power. Reformulated in the
mathematical language of geometric algebra, the new expression of
electromagnetic power reflects the laws of conservation of
energy-momentum in fields and circuits. The monograph offers a
mathematically consistent and a physically coherent interpretation
of the power concept and of the mechanism of power transmission at
the subatomic (mesoscopic) level. The monograph proves
(paraphrasing Heaviside) that there is no finality in the
development of a vibrant discipline: power theory.
This book provides a set of theoretical and numerical tools useful
for the study of wave propagation in metamaterials and photonic
crystals. While concentrating on electromagnetic waves, most of the
material can be used for acoustic (or quantum) waves. For each
presented numerical method, numerical code written in MATLAB (R) is
presented. The codes are limited to 2D problems and can be easily
translated in Python or Scilab, and used directly with Octave as
well.
The burning of fossil fuels and emission of greenhouse gasses
critically impacts the global environment. By utilizing better
techniques and process, businesses can aid in the journey to an
economic, sustainable, and environmentally-friendly future for
generations to come. Business Models for Renewable Energy
Initiatives: Emerging Research and Opportunities is an essential
reference source for the latest scholarly perspectives on present
and future business models in the renewable energy sector.
Featuring coverage on a range of perspectives and topics such as
techno-economics, decentralized power systems, and risk assessment,
this book is designed for academicians, students, and researchers
seeking current scholarly research on green business opportunities
for renewable energy.
Few artworks have been the subject of more extensive modern
interpretation than Melencolia I by renowned artist, mathematician,
and scientist Albrecht Durer (1514). And yet, did each of these art
experts and historians miss a secret manifesto that Durer included
within the engraving? This is the first work to decrypt secrets
within Melencolia I based not on guesswork, but Durer's own
writings, other subliminal artists that inspired him (i.e.,
Leonardo da Vinci), the Jewish and Christian Bibles, and books that
inspired Durer (De Occulta Philosophia and the Hieorglyphica). To
read the covert message of Melencolia I is to understand that Durer
was a humanist in his interests in mathematics, science, poetry,
and antiquity. This book recognizes his unparalleled power with the
burin, his mathematical skill in perspective, his dedication to
precise language, and his acute observation of nature. Melencolia I
may also be one of the most controversial (and at the time most
criminal) pieces of art as it hid Durer's disdain for the hierarchy
of the Catholic Church, the Kaiser, and the Holy Roman Empire from
the general public for centuries. This book closely ties the
origins of philosophy (science) and the work of a Renaissance
master together, and will be of interest for anyone who loves
scientific history, art interpretation, and secret manifestos.
The book contains a detailed account of numerical solutions of
differential equations of elementary problems of Physics using
Euler and 2nd order Runge-Kutta methods and Mathematica 6.0. The
problems are motion under constant force (free fall), motion under
Hooke's law force (simple harmonic motion), motion under
combination of Hooke's law force and a velocity dependent damping
force (damped harmonic motion) and radioactive decay law. Also
included are uses of Mathematica in dealing with complex numbers,
in solving system of linear equations, in carrying out
differentiation and integration, and in dealing with matrices.
This volume presents lectures given at the Wisła 20-21 Winter
School and Workshop: Groups, Invariants, Integrals, and
Mathematical Physics, organized by the Baltic Institute of
Mathematics. The lectures were dedicated to differential invariants
– with a focus on Lie groups, pseudogroups, and their orbit
spaces – and Poisson structures in algebra and geometry and are
included here as lecture notes comprising the first two chapters.
Following this, chapters combine theoretical and applied
perspectives to explore topics at the intersection of differential
geometry, differential equations, and category theory. Specific
topics covered include: The multisymplectic and variational nature
of Monge-Ampère equations in dimension four Integrability of
fifth-order equations admitting a Lie symmetry algebra Applications
of the van Kampen theorem for groupoids to computation of homotopy
types of striped surfaces A geometric framework to compare
classical systems of PDEs in the category of smooth manifolds
Groups, Invariants, Integrals, and Mathematical Physics is ideal
for graduate students and researchers working in these areas. A
basic understanding of differential geometry and category theory is
assumed.
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