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Non-Euclidean triangle centers can be described using homogeneous coordinates that are proportional to the generalized sines of the directed distances of a given center from the edges of the reference triangle. Identical homogeneous…

Metric Geometry · Mathematics 2024-06-25 Robert A. Russell

A coordinate system is a foundation for every quantitative science, engineering, and medicine. Classical physics and statistics are based on the Cartesian coordinate system. The classical probability and hypothesis testing theory can only…

Methodology · Statistics 2022-11-08 Kai Zhang , Shan Liu , Momiao Xiong

A mathematical model of the natural origin of our universe is presented. The model is based only on well-established physics. No claim is made that this model uniquely represents exactly how the universe came about. But the viability of a…

General Relativity and Quantum Cosmology · Physics 2009-04-08 Victor J. Stenger

The article introduces the concept of uniformity, which is formulated as a scheme of axioms. The connection of this concept with ordered sets is studied. The effectiveness of using axiom schemes as a convenient and short way of replacing…

Logic · Mathematics 2023-07-04 V. M. Zhuravlov

We define a universe as the contents of a spacetime box with comoving walls, large enough to contain essentially all phenomena that can be conceivably measured. The initial time is taken as the epoch when the lowest CMB modes undergo…

Astrophysics · Physics 2007-05-23 James D. Bjorken

The information technology explosion has dramatically increased the application of new mathematical ideas and has led to an increasing use of mathematics across a wide range of fields that have been traditionally labeled "pure" or…

History and Overview · Mathematics 2018-09-18 Katherine Gravel , Hayden Jananthan , Jeremy Kepner

I explore physics implications of the External Reality Hypothesis (ERH) that there exists an external physical reality completely independent of us humans. I argue that with a sufficiently broad definition of mathematics, it implies the…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Max Tegmark

The purpose of this essay is to bring out the unique role of Mathematics in providing a base to the diverse sciences which conform to its rigid structure. Of these the physical and economic sciences are so intimately linked with…

Popular Physics · Physics 2012-02-29 A. N. Mitra

Our purpose is to make a contribution to the foundation of the theory of formal scheme. We are interested particularly in non-Noetherian or non-adic formal schemes, which have been little studied. We redefine the formal scheme as a…

Algebraic Geometry · Mathematics 2024-02-27 Takehiko Yasuda

Our current understanding of the Universe is established through the pristine measurements of structure in the cosmic microwave background (CMB) and the distribution and shapes of galaxies tracing the large scale structure (LSS) of the…

Cosmology and Nongalactic Astrophysics · Physics 2019-03-15 P. Daniel Meerburg , Daniel Green , Muntazir Abidi , Mustafa A. Amin , Peter Adshead , Zeeshan Ahmed , David Alonso , Behzad Ansarinejad , Robert Armstrong , Santiago Avila , Carlo Baccigalupi , Tobias Baldauf , Mario Ballardini , Kevin Bandura , Nicola Bartolo , Nicholas Battaglia , Daniel Baumann , Chetan Bavdhankar , José Luis Bernal , Florian Beutler , Matteo Biagetti , Colin Bischoff , Jonathan Blazek , J. Richard Bond , Julian Borrill , François R. Bouchet , Philip Bull , Cliff Burgess , Christian Byrnes , Erminia Calabrese , John E. Carlstrom , Emanuele Castorina , Anthony Challinor , Tzu-Ching Chang , Jonas Chaves-Montero , Xingang Chen , Christophe Yeche , Asantha Cooray , William Coulton , Thomas Crawford , Elisa Chisari , Francis-Yan Cyr-Racine , Guido D'Amico , Paolo de Bernardis , Axel de la Macorra , Olivier Doré , Adri Duivenvoorden , Joanna Dunkley , Cora Dvorkin , Alexander Eggemeier , Stephanie Escoffier , Tom Essinger-Hileman , Matteo Fasiello , Simone Ferraro , Raphael Flauger , Andreu Font-Ribera , Simon Foreman , Oliver Friedrich , Juan Garcia-Bellido , Martina Gerbino , Vera Gluscevic , Garrett Goon , Krzysztof M. Gorski , Jon E. Gudmundsson , Nikhel Gupta , Shaul Hanany , Will Handley , Adam J. Hawken , J. Colin Hill , Christopher M. Hirata , Renée Hložek , Gilbert Holder , Dragan Huterer , Marc Kamionkowski , Kirit S. Karkare , Ryan E. Keeley , William Kinney , Theodore Kisner , Jean-Paul Kneib , Lloyd Knox , Savvas M. Koushiappas , Ely D. Kovetz , Kazuya Koyama , Benjamin L'Huillier , Ofer Lahav , Massimiliano Lattanzi , Hayden Lee , Michele Liguori , Marilena Loverde , Mathew Madhavacheril , Juan Maldacena , M. C. David Marsh , Kiyoshi Masui , Sabino Matarrese , Liam McAllister , Jeff McMahon , Matthew McQuinn , Joel Meyers , Mehrdad Mirbabayi , Azadeh Moradinezhad Dizgah , Pavel Motloch , Suvodip Mukherjee , Julian B. Muñoz , Adam D. Myers , Johanna Nagy , Pavel Naselsky , Federico Nati , Newburgh , Alberto Nicolis , Michael D. Niemack , Gustavo Niz , Andrei Nomerotski , Lyman Page , Enrico Pajer , Hamsa Padmanabhan , Gonzalo A. Palma , Hiranya V. Peiris , Will J. Percival , Francesco Piacentni , Guilherme L. Pimentel , Levon Pogosian , Chanda Prescod-Weinstein , Clement Pryke , Giuseppe Puglisi , Benjamin Racine , Radek Stompor , Marco Raveri , Mathieu Remazeilles , Gracca Rocha , Ashley J. Ross , Graziano Rossi , John Ruhl , Misao Sasaki , Emmanuel Schaan , Alessandro Schillaci , Marcel Schmittfull , Neelima Sehgal , Leonardo Senatore , Hee-Jong Seo , Huanyuan Shan , Sarah Shandera , Blake D. Sherwin , Eva Silverstein , Sara Simon , Anže Slosar , Suzanne Staggs , Glenn Starkman , Albert Stebbins , Aritoki Suzuki , Eric R. Switzer , Peter Timbie , Andrew J. Tolley , Maurizio Tomasi , Matthieu Tristram , Mark Trodden , Yu-Dai Tsai , Cora Uhlemann , Caterina Umilta , Alexander van Engelen , M. Vargas-Magaña , Abigail Vieregg , Benjamin Wallisch , David Wands , Benjamin Wandelt , Yi Wang , Scott Watson , Mark Wise , W. L. K. Wu , Zhong-Zhi Xianyu , Weishuang Xu , Siavash Yasini , Sam Young , Duan Yutong , Matias Zaldarriaga , Michael Zemcov , Gong-Bo Zhao , Yi Zheng , Ningfeng Zhu

Meridian surfaces in the Euclidean 4-space are two-dimensional surfaces which are one-parameter systems of meridians of a standard rotational hypersurface. On the base of our invariant theory of surfaces we study meridian surfaces with…

Differential Geometry · Mathematics 2016-01-26 Georgi Ganchev , Velichka Milousheva

We consider a universe with an arbitrary number of extra dimensions, $N$. We present a new method for constructing the cosmological equations of motion and find analytic solutions with an explicit dependence on $N$. When we take the…

General Relativity and Quantum Cosmology · Physics 2017-09-06 David Sloan , Pedro Ferreira

In this work, we introduce a new geometry based on the difference angle, an angle defined as the difference of slopes of two lines, together with an axiomatic system for angles. This framework provides a constructive approach to the…

Metric Geometry · Mathematics 2025-12-02 Masanori Nakazato

In this investigation, we introduce the class of non-archimedean frames in spirit with the topological notion of non-archimedean spaces. We explore various properties of these frames - particularly their spaciality. We attach a base that…

General Topology · Mathematics 2025-09-16 Francisco Ávila , Miriam Bocardo-Gaspar , Julio Urenda , Angel Zaldívar

We show that the Euclidean Snyder non-commutative space implies infinitely many different physical predictions. The distinct frameworks are specified by generalized uncertainty relations underlying deformed Heisenberg algebras. Considering…

High Energy Physics - Theory · Physics 2014-11-18 Marco Valerio Battisti , Stjepan Meljanac

Analysing several characteristic mathematical models: natural and real numbers, Euclidean geometry, group theory, and set theory, I argue that a mathematical model in its final form is a junction of a set of axioms and an internal partial…

History and Overview · Mathematics 2025-03-18 Boris Čulina

Multi-connected Universe models with space idenfication scales smaller than the size of the observable universe produce topological images in the catalogs of cosmic sources. In this review, we present the recent developments for the search…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Jean-Philippe Uzan , Roland Lehoucq , Jean-Pierre Luminet

Cosmology is becoming an important tool to test particle physics models. We provide an overview of the standard model of cosmology with an emphasis on the observations relevant for testing fundamental physics.

Cosmology and Nongalactic Astrophysics · Physics 2017-01-31 Kerstin E. Kunze

We survey some basic mathematical structures, which arguably are more primitive than the structures taught at school. These structures are orders, with or without composition, and (symmetric) monoidal categories. We list several `real life'…

Category Theory · Mathematics 2013-08-15 Bob Coecke

These notes are intended as an introduction to a study of applications of noncommutative calculus to quantum statistical Physics. Centered on noncommutative calculus we describe the physical concepts and mathematical structures appearing in…

Mathematical Physics · Physics 2018-10-09 W. A. Majewski
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