Results 11 to 20 of about 3,938 (118)

Soler Gil, Francis. El universo a debate. Una introducción a la filosofía de la cosmología

open access: yesIdeas y Valores, 2020
En este libro el profesor Soler Gil nos brinda una interesante y actualizada filosofía de la cosmología, a modo de manual breve y enjundioso. Partiendo de los datos que nos proporcionan las distintas ciencias relacionadas con la cosmología, tenemos ante
Jaime Vilarroig
doaj   +5 more sources

Cosmología, simbolismo y práctica: el concepto de “cuerpo cerrado” en el ritual de la capoeira angola [PDF]

open access: yesMaguaré, 2012
Este artículo hace un análisis del concepto de “cuerpo cerrado” en el ritual de la capoeira angola en Brasil. La capoeira es una práctica de origen afrobrasileño que combina aspectos de juego, lucha, ritual y arte marcial.
Sergio González Varela
doaj   +1 more source

POTENTIAL HISTORY: READING ARTIFICIAL INTELLIGENCE FROM INDIGENOUS KNOWLEDGES*

open access: yesHistory and Theory, Volume 62, Issue 1, Page 3-29, March 2023., 2023
ABSTRACT Until the beginning of the twentieth century, history, as a core concept of the political project of modernity, was highly concerned with the future. The many crimes, genocides, and wars perpetuated in the name of historical progress eventually caused unavoidable fractures in the way Western philosophies of history have understood change over ...
Rodrigo Bonaldo   +1 more
wiley   +1 more source

Ontología del movimiento en la cosmología venezolana del siglo xviii [PDF]

open access: yes, 1996
La conceptualizacíón del movimiento que el catedrático venezolano Suárez de Urbina presenta en su Cursus Philosophicus (1758), muestra las siguientes particularidades: En principio, el autor sigue la tradición aristotélico-tomista de buscar una ...
Knabenschuh de Porta, Sabine
core   +4 more sources

Espacio-tiempo de Schwarzschild con quintaesencia

open access: yesRevista de Investigación de Física, 2021
Descubrimientos recientes determinan que el universo se expande aceleradamente. Con el objetivo de dar explicación a dicha aceleración se ha propuesto un componente de energía oscura denominado quintaesencia.
Fulgencio Villegas Silva
doaj   +1 more source

La cosmología científica desde la antigüedad griega hasta Copérnico [PDF]

open access: yes, 2021
Este texto presenta las características más importantes de las cosmologías antiguas griegas y de la cosmología copernicana. Específicamente, la cosmología de las dos esferas, la cosmología de las esferas homocéntricas, las adaptaciones de esa cosmología ...
Palacios Céspedes, Carlos Rolando   +1 more
core  

Interesting Examples of Violation of the Classical Equivalence Principle but Not of the Weak One

open access: yesAdvances in High Energy Physics, Volume 2018, Issue 1, 2018., 2018
The equivalence principle (EP) and Schiff’s conjecture are discussed en passant, and the connection between the EP and quantum mechanics is then briefly analyzed. Two semiclassical violations of the classical equivalence principle (CEP) but not of the weak one (WEP), i.e., Greenberger gravitational Bohr atom and the tree‐level scattering of different ...
Antonio Accioly   +2 more
wiley   +1 more source

Classical and Quantum Exact Solutions for a FRW Multiscalar Field Cosmology with an Exponential Potential Driven Inflation

open access: yesAdvances in Mathematical Physics, Volume 2018, Issue 1, 2018., 2018
A flat Friedmann‐Robertson‐Walker (FRW) multiscalar field cosmology is studied with a particular potential of the form V(ϕ,σ)=V0e-λ1ϕ-λ2σ, which emerges as a relation between the time derivatives of the scalars field momenta. Classically, by employing the Hamiltonian formalism of two scalar fields (ϕ, σ) with standard kinetic energy, exact solutions ...
J. Socorro   +3 more
wiley   +1 more source

Cosmologies with Scalar Fields from Higher Dimensions Applied to Bianchi Type VIh=−1 Model: Classical and Quantum Solutions

open access: yesAdvances in High Energy Physics, Volume 2018, Issue 1, 2018., 2018
We construct an effective four‐dimensional model by compactifying a ten‐dimensional theory of gravity coupled with a real scalar dilaton field on a time‐dependent torus. The corresponding action in four dimensions is similar to the action of K‐essence theories.
J. Socorro   +3 more
wiley   +1 more source

Time‐Dependent Toroidal Compactification Proposals and the Bianchi Type I Model: Classical and Quantum Solutions

open access: yesAdvances in High Energy Physics, Volume 2016, Issue 1, 2016., 2016
We construct an effective four‐dimensional model by compactifying a ten‐dimensional theory of gravity coupled with a real scalar dilaton field on a time‐dependent torus. This approach is applied to anisotropic cosmological Bianchi type I model for which we study the classical coupling of the anisotropic scale factors with the two real scalar moduli ...
L. Toledo Sesma   +3 more
wiley   +1 more source

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