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198 found
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1 — 50 / 198
  1. Colombeau Solutions to Einstein Field Equations.Gravitational Singularities.Jaykov Foukzon - manuscript
    In contemporary mathematics, a Colombeau algebra of Colombeau generalized functions is an algebra of a certain kind containing the space of Schwartz distributions. While in classical distribution theory a general multiplication of distributions is not possible, Colombeau algebras provide a rigorous framework for this. Remark 1.1.1.Such a multiplication of distributions has been a long time mistakenly believed to be impossible because of Schwartz’ impossibility result, which basically states that there cannot be a differential algebra containing the space of distributions and (...)
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  2. A Note on Incomplete Theory.Han Geurdes - manuscript
    In the paper it is demonstrated that Bell's theorem is unproveable.
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  3. Introduction to CAT4. Part 2. CAT2.Andrew Thomas Holster - manuscript
    CAT4 is proposed as a general method for representing information, enabling a powerful programming method for large-scale information systems. It enables generalised machine learning, software automation and novel AI capabilities. It is based on a special type of relation called CAT4, which is interpreted to provide a semantic representation. This is Part 2 of a five-part introduction. The focus here is on defining key mathematical properties of CAT2, identifying the topology and defining essential functions over a coordinate system. The analysis (...)
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  4. Complementary Inferences on Theoretical Physics and Mathematics.Mesut Kavak - manuscript
    I have been working for a long time about basic laws which direct existence, and some mathematical problems which are waited for a solution. I can count myself lucky, that I could make some important inferences during this time, and I published them in a few papers partially as some propositions. This work aimed to explain and discuss these inferences all together by relating them one another by some extra additions, corrections and explanations being physical phenomena are prior. There are (...)
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  5. Science of Knowing: Mathematics.Venkata Rayudu Posina - manuscript
    The 'Science of Knowing: Mathematics' textbook is the first book to put forward and substantiate the thesis that the mathematical understanding of mathematics, as exemplified in F. William Lawvere's Functorial Semantics, constitutes the science of knowing i.e. cognitive science.
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  6. Generalizing the Algebra of Physical Quantities.Mark Sharlow - manuscript
    In this paper, I define and study an abstract algebraic structure, the dimensive algebra, which embodies the most general features of the algebra of dimensional physical quantities. I prove some elementary results about dimensive algebras and suggest some directions for future work.
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  7. Nature's Information and Harmonic Proportion.Michael A. Sherbon - manuscript
    The history of science is polarized by debates over Plato and Aristotle’s holism versus the atomism of Democritus and others. This includes the complementarity of continuous and discrete, one and the many, waves and particles, and analog or digital views of reality. The three-fold method of the Pythagorean paradigm of unity, duality, and harmony enables the calculation of fundamental physical constants required by the forces of nature in the formation of matter; thereby demonstrating Plato’s archetypal viewpoint.
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  8. Through Points on 3 and 2 Faces of a Triangular Pyramid.Goel Piyush - September,2016 - Edupediapublications 3 (13):1-3.
    This came into existence when one day (10 -12 years back), all of a sudden I draw a line and divided the line into same segment and draw one more line above the previous line and mark the points on the both lines and magically I got a triangle (while attach all the points with each other), with at point 1 no of points 1 at 2 no of points 3 and at 3 no of points 5. Now an idea (...)
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  9. Symmetry of Digit "2" In Squaring.Goel Piyush - July2016 - Edupediapublications 3 (11):1-3.
    Motivation -/- God is great, whatever (Air, Water, Earth, Fire & Space) we have it is just because of a Power, which governs the whole universe and more than this Power, it has created human beings, and what we have got or did not get yet, trying to get. The Method, The Principle, The Knowledge or more by which we get or prove in front of World People, basically it is called Science, who GET it, are called Scientists, Mathematicians, Inventors (...)
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  10. The Well-Ordered Society Under Crisis: A Formal Analysis of Public Reason Vs. Convergence Discourse.Hun Chung - forthcoming - American Journal of Political Science:1-20.
    A well-ordered society faces a crisis whenever a sufficient number of noncompliers enter into the political system. This has the potential to destabilize liberal democratic political order. This article provides a formal analysis of two competing solutions to the problem of political stability offered in the public reason liberalism literature—namely, using public reason or using convergence discourse to restore liberal democratic political order in the well-ordered society. The formal analyses offered in this article show that using public reason fails completely, (...)
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  11. Weakly Free Multialgebras.Marcelo E. Coniglio & Guilherme V. Toledo - forthcoming - Bulletin of the Section of Logic.
    In abstract algebraic logic, many systems, such as those paraconsistent logics taking inspiration from da Costa's hierarchy, are not algebraizable by even the broadest standard methodologies, as that of Blok and Pigozzi. However, these logics can be semantically characterized by means of non-deterministic algebraic structures such as Nmatrices, RNmatrices and swap structures. These structures are based on multialgebras, which generalize algebras by allowing the result of an operation to assume a non-empty set of values. This leads to an interest in (...)
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  12. Maximal Almost Disjoint Families, Determinacy, and Forcing.Karen Bakke Haga, David Schrittesser & Asger Törnquist - forthcoming - Journal of Mathematical Logic.
    We study the notion of 𝒥-MAD families where 𝒥 is a Borel ideal on ω. We show that if 𝒥 is any finite or countably iterated Fubini product of the ideal of finite sets Fin, then there are no analytic...
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  13. Forking and Dividing in Fields with Several Orderings and Valuations.Will Johnson - forthcoming - Journal of Mathematical Logic.
    We consider existentially closed fields with several orderings, valuations, and p-valuations. We show that these structures are NTP2 of finite burden, but usually have the independence property. Mo...
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  14. The Nature of Scientific Philosophy.Yaroslav Shramko - forthcoming - Logic and Logical Philosophy:1.
    The goal of this paper is to explain the nature of philosophy as a distinct science with its own subject-matter. This is achieved through a comparative analysis of mathematical and philosophical knowledge that reveals a profound similarity between mathematics and philosophy as mutually complementary sciences exploring the field of abstract entities that can be comprehended only by purely a priori theoretical inquiry. By considering this complementarity, a general definition of philosophy can be obtained by dualizing the traditional Aristotelian definition of (...)
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  15. The Large Cardinal Strength of Weak Vopenka’s Principle.Trevor M. Wilson - forthcoming - Journal of Mathematical Logic.
    We show that Weak Vopěnka’s Principle, which is the statement that the opposite category of ordinals cannot be fully embedded into the category of graphs, is equivalent to the large cardinal princi...
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  16. The Vietoris Functor and Modal Operators on Rings of Continuous Functions.G. Bezhanishvili, L. Carai & P. J. Morandi - 2022 - Annals of Pure and Applied Logic 173 (1):103029.
  17. Languages, Machines, and Classical Computation.Luis M. Augusto - 2021 - London, UK: College Publications.
    3rd ed, 2021. A circumscription of the classical theory of computation building up from the Chomsky hierarchy. With the usual topics in formal language and automata theory.
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  18. Book Review: Mathematics of Casino Carnival Games. [REVIEW]Catalin Barboianu - 2021 - International Gambling Studies 21.
    Book Review Mathematics of casino carnival games by Mark Bollman, New York: CRC Press 2021, 318 pp., GBP 48.99 (hardback), ISBN 9780367348656.
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  19. Book Review: Luck, Logic, and White Lies: The Mathematics of Games, Second Edition. [REVIEW]Catalin Barboianu - 2021 - International Gambling Studies 21.
    Book Review Luck, logic, and white lies: the mathematics of games, second edition by Jörg Bewersdorff, New York, Taylor & Francis, CRC Press, 2021, 568 pp., GBP 42.99 (paperback), ISBN 9780367548414, Number of chapters 51.
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  20. UNDERSTANDING AND DOING MATH - CIRCLE 1: What Are Math Objects? Illustrated with Numbers.Boris Čulina (ed.) - 2021 - Zagreb: Understanding.
    This is the first in a series of math books intended for those who have completed at least secondary school mathematics and have acquired 1) certain calculating skills, and 2) dissatisfaction with their understanding of what they are calculating. We will start our journey with numbers. Numbers are the oldest mathematical idea, but still also the most important one. We will go through the basics of numbers in a way that will give you the confidence to really understand numbers and (...)
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  21. Canonical Fragments of the Strong Reflection Principle.Gunter Fuchs - 2021 - Journal of Mathematical Logic 21 (3):2150023.
    For an arbitrary forcing class Γ, the Γ-fragment of Todorčević’s strong reflection principle SRPis isolated in such a way that the forcing axiom for Γ implies the Γ-fragment of SRP, the sta...
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  22. A Philosophical Path from Königsberg to Kyoto: The Science of the Infinite and the Philosophy of Nothingness.Rossella Lupacchini - 2021 - Sophia 60 (4):851-868.
    ‘Mathematics is the science of the infinite, its goal the symbolic comprehension of the infinite with human, that is finite, means.’ Along this line, in The Open World, Hermann Weyl contrasted the desire to make the infinite accessible through finite processes, which underlies any theoretical investigation of reality, with the intuitive feeling for the infinite ‘peculiar to the Orient,’ which remains ‘indifferent to the concrete manifold of reality.’ But a critical analysis may acknowledge a valuable dialectical opposition. Struggling to spell (...)
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  23. Modes of Truth: The Unified Approach to Truth, Modality, and Paradox.Carlo Nicolai & Johannes Stern (eds.) - 2021 - Routledge.
    The aim of this volume is to open up new perspectives and to raise new research questions about a unified approach to truth, modalities, and propositional attitudes. The volume's essays are grouped thematically around different research questions. The first theme concerns the tension between the theoretical role of the truth predicate in semantics and its expressive function in language. The second theme of the volume concerns the interaction of truth with modal and doxastic notions. The third theme covers higher-order solutions (...)
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  24. Answer to a Question of Rosłanowski and Shelah.Márk Poór - 2021 - Journal of Mathematical Logic 21 (3).
    Rosłanowski and Shelah [Small-large subgroups of the reals, Math. Slov. 68 473–484] asked whether every locally compact non-discrete group has a null but non-meager subgroup, and converse...
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  25. Weyl Reexamined: “Das Kontinuum” 100 Years Later.Arnon Avron - 2020 - Bulletin of Symbolic Logic 26 (1):26-79.
    Hermann Weyl was one of the greatest mathematicians of the 20th century, with contributions to many branches of mathematics and physics. In 1918 he wrote a famous book, “Das Kontinuum”, on the foundations of mathematics. In that book he described mathematical analysis as a ‘house built on sand’, and tried to ‘replace this shifting foundation with pillars of enduring strength’. In this paper we reexamine and explain the philosophical and mathematical ideas that underly Weyl’s system in “Das Kontinuum”, and show (...)
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  26. Compact Metrizable Structures Via Projective Fraïssé Theory With an Application to the Study of Fences.Gianluca Basso - 2020 - Bulletin of Symbolic Logic 26 (3-4):299-300.
    In this dissertation we explore projective Fraïssé theory and its applications, as well as limitations, to the study of compact metrizable spaces. The goal of projective Fraïssé theory is to approximate spaces via classes of finite structures and glean topological or dynamical properties of a space by relating them to combinatorial features of the associated class of structures. Using the framework of compact metrixable structures, we establish general results which expand and help contextualize previous works in the field. Many proofs (...)
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  27. The Number of Bricks in a Ziggurat.Ben Blumson & Jarinah Jabbar - 2020 - Mathematics Magazine 93 (3):226-227.
    The number of bricks in a ziggurat is a sum of consecutive squares.
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  28. Doing the Math: Comparing Ontario and Singapore Mathematics Curriculum at the Primary Level.Dieu Trang Hoang - 2020 - Dissertation, Brock University
    This paper sought to investigate the fundamental differences in mathematics education through a comparison of curriculum of 2 countries—Singapore and Canada (as represented by Ontario)—in order to discover what the Ontario education system may learn from Singapore in terms of mathematics education. Mathematics curriculum were collected for Grades 1 to 8 for Ontario, and the equivalent in Singapore. The 2 curriculums were textually analyzed based on both the original and the revised Bloom’s taxonomy to expose their foci. The difference in (...)
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  29. A Reconstruction of Steel’s Multiverse Project.Penelope Maddy & Toby Meadows - 2020 - Bulletin of Symbolic Logic 26 (2):118-169.
    This paper reconstructs Steel’s multiverse project in his ‘Gödel’s program’ (Steel [2014]), first by comparing it to those of Hamkins [2012] and Woodin [2011], then by detailed analysis what’s presented in Steel’s brief text. In particular, we reconstruct his notion of a ‘natural’ theory, describe his multiverse axioms and his translation function, and assess the resulting status of the Continuum Hypothesis. In the end, we reconceptualize the defect that Steel thinks CH might suffer from and isolate what it would take (...)
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  30. A Descriptive Main Gap Theorem.Francesco Mangraviti & Luca Motto Ros - 2020 - Journal of Mathematical Logic 21 (1).
    Answering one of the main questions of [S.-D. Friedman, T. Hyttinen and V. Kulikov, Generalized descriptive set theory and classification theory, Mem. Amer. Math. Soc. 230 80, Chap. 7]...
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  31. Historical Foundations of Physics & Applied Technology as Dynamic Frameworks in Pre-Service STEM.Raffaele Pisano, Philippe Vincent, Kosta Dolenc & Mateja Ploj Virtič - 2020 - Foundations of Science 1 (1):1-30.
    In recent decades, the development of sciences and technologies had a significant impact in society. This impact has been object of analysis from several standpoints, i.e., scientific, communication, historical and anthropological. Consequently, serious changes were required by the society. One of these has been the emerging relationship science in society and its foundations of applied sciences. A related foundational challenging is the educational process, which was and still is an unlimited challenge for teachers and professors: i.e., levels of understanding, curricula, (...)
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  32. Analisis hasil studi nasional dan internasional.Amin Suyito - 2020 - BAHAN AJAR PERKULIAHAN 2020 (2):1-34.
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  33. Rheological Properties of Polyvinylacetate: Compliance and Relaxation Spectrum.Mahmoud Abdel-Halim Abdel-Goad - 2019 - International Journal of Engineering and Information Systems (IJEAIS) 3 (5):8-10.
    Abstract: The dynamic viscoelastic properties of Polyvinylacetate with molecular weight 83000g/mol (PVA 83K ) were determined by using a Rheometer operated in the dynamic mode and 8 mm parallel plate over a wide range of temperature as a function of frequency. The measurements were performed successively in the parallel plate geometry using 8 mm plate instead of 25 mm. The glass plateau regime is clearly observed because we could measure PVA 83K sample successively under its glass temperature. The rheological properties (...)
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  34. Concerning Formal Concept Analysis on Complete Residuated Lattices.Abner de Mattos Brito - 2019 - Dissertation, University of Campinas, Brazil
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  35. Concerning Formal Concept Analysis on Complete Residuated Lattices.Abner de Mattos Brito - 2019 - Dissertation, University of Campinas, Brazil
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  36. SolarView: Low Distortion Radial Embeddings with a Focus.Thom Castermans, Kevin Verbeek, Bettina Speckmann, Michel Westenberg, Rob Koopman, Shenghui Wang, Hein Van Den Berg & Arianna Betti - 2019 - IEEE Transactions on Visualization and Computer Graphics 25 (10):2969-2982.
    We propose a novel type of low distortion radial embedding which focuses on one specific entity and its closest neighbors. Our embedding preserves near-exact distances to the focus entity and aims to minimize distortion between the other entities. We present an interactive exploration tool SolarView which places the focus entity at the center of a "solar system" and embeds its neighbors guided by concentric circles. SolarView provides an implementation of our novel embedding and several state-of-the-art dimensionality reduction and embedding techniques, (...)
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  37. On Universality of Classical Probability with Contextually Labeled Random Variables: Response to A. Khrennikov.Ehtibar N. Dzhafarov & Maria Kon - 2019 - Journal of Mathematical Psychology 89:93-97.
    In his constructive and well-informed commentary, Andrei Khrennikov acknowledges a privileged status of classical probability theory with respect to statistical analysis. He also sees advantages offered by the Contextuality-by-Default theory, notably, that it “demystifies quantum mechanics by highlighting the role of contextuality,” and that it can detect and measure contextuality in inconsistently connected systems. He argues, however, that classical probability theory may have difficulties in describing empirical phenomena if they are described entirely in terms of observable events. We disagree: contexts (...)
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  38. Artin's Characters Table of the Group (Q2n×D3) When N=P1.P_2….P_n , and P_1,P_2,…,PN Are Primes Number.Naba Hasoon Jaber - 2019 - International Journal of Engineering and Information Systems (IJEAIS) 3 (4):1-7.
    Abstract: The main purpose of this paper is to find Artin's characters table of the group (Q2n×D3)when n=p_1.p_2….p_n,and p_1,p_2,…,p_n are primes number, which is denoted by Ar(Q2n×D3) where Q2m is denoted to Quaternion group and D3 is the Dihedral group of order 6 .
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  39. Methods of Solving Financial Problems of Universities.M. Karimov & B. Kadirov - 2019 - International Journal of Engineering and Information Systems (IJEAIS) 3 (5):29-30.
    Annotation: This article shows the main problems and financial decadences of universities. And also, some effective solutions are provided.
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  40. Radioactivity of Molluscs, Aqueous Sediments and Water in the Jambay Canal of Uzbekistan.Shakhboz Khasanov & Temur Mavlonov - 2019 - International Journal of Engineering and Information Systems (IJEAIS) 3 (5):31-33.
    Abstract: The research findings summarized in the paper include data on the radioecological conditions of the canal located in Jambay region of Uzbekistan. The focus of the study was on the determination of accumulation of radionuclides in molluscs depending on the content of radionuclides in aqueous sediments and water by the help of the scintillation gamma spectrometry method.
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  41. Ground and Explanation in Mathematics.Marc Lange - 2019 - Philosophers' Imprint 19.
    This paper explores whether there is any relation between mathematical proofs that specify the grounds of the theorem being proved and mathematical proofs that explain why the theorem obtains. The paper argues that a mathematical fact’s grounds do not, simply by virtue of grounding it, thereby explain why that fact obtains. It argues that oftentimes, a proof specifying a mathematical fact’s grounds fails to explain why that fact obtains whereas any explanation of the fact does not specify its ground. The (...)
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  42. Hyperbolic Functions of Al-Tememe Acceleration Methods for Improving the Values of Integrations Numerically of First Kind.Ali Hassan Mohammed & Asmahan Abed Yasir - 2019 - International Journal of Engineering and Information Systems (IJEAIS) 3 (5):11-15.
    Abstract: The main aim of this work is to introduce acceleration methods called a hyperbolic acceleration methods which are of series of numerated methods. In general, these methods named as AL-Tememe’s acceleration methods of first kind discovered by (Ali Hassan Mohammed). These are very beneficial to acceleration the numerical results for definite integrations with continuous integrands which are of 2nd order main error, with respect to the accuracy and the number of the used subintervals and the fasting obtaining results. Especially, (...)
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  43. Assessment of Contribution of the Financial Inclusion on Rural Households Livelihood in Tanzania: A Case of Iringa District.Jailos Mtindyak - 2019 - IJAAFMR 3 (4):10-17.
    Abstract: The study sought to establish Tanzanian`s financial inclusion level, its determinant and whether the country`s financial inclusion levels have influence on the access to basic income, food, heath, employment and education service. Among the major determinants of financial inclusion are income, financial literacy and the geographical presence of financial institutions. With regard to the link between financial inclusion and livelihood indicators, it is found that greater financial inclusion promotes access to basic income, food, health and education for households for (...)
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  44. The Financial-Economic Problems and Their Solutions of Higher Education Around the World.Karimov Muzaffar, Kadirov Botirjon, Omonboeva Muxlisa & Xilola Yuldasheva - 2019 - International Journal of Engineering and Information Systems (IJEAIS) 3 (5):5-7.
    Abstract: This article is dedicated to prevent the challenges that are occurring in the sphere of education. And also, some effective solutions are provided.
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  45. The Multiplicity of Law Enforcement Agencies and the State of Law and Order in Nigeria: A Case of Too Many Cooks?Mbanefo Odum - 2019 - IJAAFMR 3 (4):1-7.
    Abstract: Efficient law enforcement depends on the quality and outlook of the institutions and personnel saddled with this responsibility. There are several agencies in Nigeria created for the purpose of law enforcement. Despite the multiplicity of these agencies, however, the country is still far from being a reflection of a society where security and orderliness are being maintained. The essence of this paper is to explore the law-enforcement terrain of the country with a view to ascertaining the state of affairs (...)
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  46. Deification of Hero: An Avenue for Realizing National Unity.Uche Janet Ogbalu - 2019 - International Journal of Academic Pedagogical Research (IJAPR) 3 (1):33-39.
    Abstract: When in 1846, Euhemerus, a Greek philosopher propounded a theory that all Greek gods were once men who were deified in their life time and worshipped as a god after their death. The Greeks never take the assertion kindly. Euphemerus was accused of sacrilege. Later findings by anthropologists proved Euphemerus correct. Heroes and deification of heroes are found in different parts of the world. The writer is aware that deification of a hero is a symbiotic venture. This means that (...)
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  47. Fine-Structure Constant From Sommerfeld to Feynman.Michael A. Sherbon - 2019 - Journal of Advances in Physics 16 (1):335-343.
    The fine-structure constant, which determines the strength of the electromagnetic interaction, is briefly reviewed beginning with its introduction by Arnold Sommerfeld and also includes the interest of Wolfgang Pauli, Paul Dirac, Richard Feynman and others. Sommerfeld was very much a Pythagorean and sometimes compared to Johannes Kepler. The archetypal Pythagorean triangle has long been known as a hiding place for the golden ratio. More recently, the quartic polynomial has also been found as a hiding place for the golden ratio. The (...)
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  48. Golden Ratio Geometry and the Fine-Structure Constant.Michael A. Sherbon - 2019 - Journal of Advances in Physics 16 (1):362 -368.
    The golden ratio is found to be related to the fine-structure constant, which determines the strength of the electromagnetic interaction. The golden ratio and classical harmonic proportions with quartic equations give an approximate value for the inverse fine-structure constant the same as that discovered previously in the geometry of the hydrogen atom. With the former golden ratio results, relationships are also shown between the four fundamental forces of nature: electromagnetism, the weak force, the strong force, and the force of gravitation.
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  49. Active Techniques Implemented in an Introductory Signal Processing Course to Help Students Achieve Higher Levels of Learning.Saharnaz Baghdadchi, Rebecca Hardesty, Paul Andreas Hadjipieris & Jace Hargis - 2018 - Papers on Engineering Education Repository.
    Holding students to high standards and assessing, measuring and evaluating their learning with challenging, authentic problems in the midterm and final exams is the goal of the professors who teach core signal processing concepts. However, the heavy reliance of these subjects on mathematics makes it difficult for students to genuinely grasp the concepts and relate to a conceptual framework. Specifically, analyzing the signals and the functionality of systems in Fourier domain; separating the system level analysis from signal level analysis; and (...)
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  50. The 'Chemical Mechanics' of the Periodic Table.Arnout Ceulemans & Pieter Thyssen - 2018 - In Eric Scerri & Guillermo Restrepo (eds.), Mendeleev to Oganesson: A Multidisciplinary Perspective on the Periodic Table. New York, NY, USA: Oxford University Press. pp. 104-121.
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