Results 21 to 30 of about 769 (85)
Age of the universe and the energy density of radiation
ACI Avances en Ciencias e Ingenierías, 2015 From the mathematical expression relating the redshift parameter with time and the cosmological densities of matter, radiation and vacuum in the Lemaitre model, we have derived an equation for the age of the universe at present time taking into account ...
Antonina Calahorrano, Carlos A. Marín
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Sefarad : Revista de Estudios Hebraicos y Sefardíes, 2021 La música de las esferas es una de las concepciones importantes para entender varios escritos –tanto literarios como exegéticos– de fray Luis de León, como su Exposición del Libro de Job.
Weixin Bao
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Los procesos de las narrativas Asháninca en la frontera entre Brasil y Perú
Lengua y Sociedad, 2017 En este artículo se discuten las narrativas de los ashánincas brasileños y cómo en estas están representadas algunas experiencias. Los mitos se mezclan con los procesos que los ashánincas están desarrollando para la comprensión de los fenómenos en su ...
Érika Mesquita
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Cosmologia neo-newtoniana: um passo intermediário em direção à relatividade geral
Revista Brasileira de Ensino de FísicaA cosmologia é um domínio da física no qual o emprego da teoria da relatividade geral é indispensável. No entanto, uma cosmologia baseada na teoria newtoniana da gravitação é possível em certas circunstâncias.
J.C. Fabris, H.E.S. Velten
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Land‐based meanings of disaster adaptations from Woodland Cree First Nation, Canada
Canadian Geographer / Le géographe canadien, Volume 69, Issue 2, Summer / été 2025.Abstract This paper showcases how climate disaster presents unique challenges to many northern Indigenous communities in Canada. Disasters further exacerbate historical traumas related to colonialism, including forced displacement, land loss, and cultural disconnection.
Ranjan Datta +3 more
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Espacio-tiempo Anti-de Sitter (AdS)
Revista de Investigación de Física, 2019 En este trabajo se hace una introducción básica acerca de los espacios- tiempo de Sitter y Anti-de Sitter. Para el espacio de Sitter se calcula dos métricas equivalentes una usando coordenadas estáticas y la otra usando coordenadas de Friedmann-Lemaître ...
Fulgencio Villegas
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Archaeology in Oceania, Volume 59, Issue 2, Page 219-233, July 2024.ABSTRACT Pig and dog were highly valued animals in pre‐contact Polynesia. In this paper, I focus on pig and dog use in the resource rich, and hierarchically complex, pre‐contact Society Island chiefdoms. Utilizing ethnohistoric data and human‐centred use‐webs data, I provide a preliminary study of the diverse ways that pigs and dogs were used in pre ...
Jennifer G. Kahn
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Interacting Ricci-Type Holographic Dark Energy and Dark Sector Couplings
PhysicsWe investigate cosmological scenarios in a spatially flat Friedmann–Lemaître–Robertson–Walker (FLRW) universe containing Ricci-type holographic dark energy within the framework of general relativity.
Carlos Rodriguez-Benites +10 more
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Energía de Møller para las métricas de Schwarzschild, Reissner-Nordström y Kerr-Newman
Revista de Investigación de Física, 2017 Se evalúa la distribucion de energía de los agujeros negros de Schwarzschild, Reissner-Nordström y Kerr-Newman usando el complejo energía-momento de Møller.
Fulgencio Villegas Silva +1 more
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“Our blood is becoming white”: Race, religion, and Siddi becoming in Hyderabad, India
American Anthropologist, Volume 126, Issue 2, Page 194-203, June 2024.Abstract “Our blood is becoming white.” This was a constant lament I heard from siddis in contemporary Hyderabad, India—third‐ and fourth‐generation descendants of East African slaves and soldiers recruited by the local ruler or Nizam in the 1860s to form the African Cavalry Guard in his army.
Gayatri Reddy
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