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Zeta Regularization Techniques With Applications
  • Language: en
  • Pages: 336

Zeta Regularization Techniques With Applications

This book is the result of several years of work by the authors on different aspects of zeta functions and related topics. The aim is twofold. On one hand, a considerable number of useful formulas, essential for dealing with the different aspects of zeta-function regularization (analytic continuation, asymptotic expansions), many of which appear here, in book format, for the first time are presented. On the other hand, the authors show explicitly how to make use of such formulas and techniques in practical applications to physical problems of very different nature. Virtually all types of zeta functions are dealt with in the book.

Symmetry, vol. 9, issue 10 / 2007 - Special Issue: Neutrosophic Theories Applied in Engineering
  • Language: en
  • Pages: 210

Symmetry, vol. 9, issue 10 / 2007 - Special Issue: Neutrosophic Theories Applied in Engineering

This Special Issue presents original research papers that report on state-of-the-art and recent advancements in neutrosophic sets and logic in soft computing, artificial intelligence, big and small data mining, decision making problems, and practical achievements.

Multiple Attribute Group Decision-Making Method Based on Linguistic Neutrosophic Numbers
  • Language: en
  • Pages: 12

Multiple Attribute Group Decision-Making Method Based on Linguistic Neutrosophic Numbers

Existing intuitionistic linguistic variables can describe the linguistic information of both the truth/membership and falsity/non-membership degrees, but it cannot represent the indeterminate and inconsistent linguistic information. To deal with the issue, this paper originally proposes the concept of a linguistic neutrosophic number (LNN), which is characterized independently by the truth, indeterminacy, and falsity linguistic variables. Then, we define the basic operational laws of LNNs and the score and accuracy functions of LNN for comparing LNNs. Next, we develop an LNN-weighted arithmetic averaging (LNNWAA) operator and an LNN-weighted geometric averaging (LNNWGA) operator to aggregate LNN information and investigate their properties. Further, a multiple attribute group decision-making method based on the proposed LNNWAA or LNNWGA operator is established under LNN environment. Finally, an illustrative example about selecting problems of investment alternatives is presented to demonstrate the application and effectiveness of the developed approach.

Casimir Effect 50 Years Later,the - Proceedings Of The Fourth Workshop On Quantum Field Theory Under The Influence Of External Conditions
  • Language: en
  • Pages: 410

Casimir Effect 50 Years Later,the - Proceedings Of The Fourth Workshop On Quantum Field Theory Under The Influence Of External Conditions

This volume contains papers based on talks delivered at the Fourth Workshop on Quantum Field Theory Under the Influence of External Conditions. This series of workshops, held at the Institute for Theoretical Physics of the University of Leipzig, was launched in 1989. The present meeting took place 50 years after Hendrik B Casimir discovered the effect named after him. This effect was found by Casimir in investigating the retarded long range van der Waals forces in colloids and re-expressing them as a change in the vacuum energy of the electromagnetic field. The story of why this work was done was told by Casimir himself at the workshop. A historical account of the development of vacuum energ...

Harmonic Oscillators and Two-By-Two Matrices in Symmetry Problems in Physics
  • Language: en
  • Pages: 369

Harmonic Oscillators and Two-By-Two Matrices in Symmetry Problems in Physics

  • Type: Book
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  • Published: 2018-07-09
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  • Publisher: MDPI

This book is a printed edition of the Special Issue "Harmonic Oscillators In Modern Physics" that was published in Symmetry

Mathematical Physics - Proceedings Of The 14th Regional Conference
  • Language: en
  • Pages: 343

Mathematical Physics - Proceedings Of The 14th Regional Conference

This volume consists of the scientific work presented at the 14th Regional Conference on Mathematical Physics, held in November 2015 in Islamabad, Pakistan, and dedicated to the memory of Riazuddin, the first Pakistani PhD student of the late Nobel laureate, Abdus Salam, and one of the pioneers who developed physics in Pakistan.This collection surveys the latest developments in a wide area of mathematical physics as presented by world-renowned experts. The contributors sample a number of topics including the formal aspects of mathematical physics, general relativity and cosmology, particle physics, astrophysics, string theory, black hole physics, quantum gravity, quantum field theory, condensed matter physics, symmetries in mathematics and physics, and even applied physics.

Brain Asymmetry of Structure and/or Function
  • Language: en
  • Pages: 157

Brain Asymmetry of Structure and/or Function

  • Type: Book
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  • Published: 2018-07-06
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  • Publisher: MDPI

This book is a printed edition of the Special Issue "Brain Asymmetry of Structure and/or Function" that was published in Symmetry

Cosmological Inflation, Dark Matter and Dark Energy
  • Language: en
  • Pages: 236

Cosmological Inflation, Dark Matter and Dark Energy

  • Type: Book
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  • Published: 2019-11-14
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  • Publisher: MDPI

Various cosmological observations support not only cosmological inflation in the early universe, which is also known as exponential cosmic expansion, but also that the expansion of the late-time universe is accelerating. To explain this phenomenon, the existence of dark energy is proposed. In addition, according to the rotation curve of galaxies, the existence of dark matter, which does not shine, is also suggested. If primordial gravitational waves are detected in the future, the mechanism for realizing inflation can be revealed. Moreover, there exist two main candidates for dark matter. The first is a new particle, the existence of which is predicted in particle physics. The second is an a...

Frontiers of Fundamental Physics FFP16
  • Language: en
  • Pages: 502

Frontiers of Fundamental Physics FFP16

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Symmetry in Vision
  • Language: en
  • Pages: 207

Symmetry in Vision

  • Type: Book
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  • Published: 2018-07-09
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  • Publisher: MDPI

This book is a printed edition of the Special Issue "Symmetry in Vision" that was published in Symmetry