Friedmann Equations - Articles - Scientific Research Publishing

A New Solution for the Friedmann Equations (Articles)

Naser Mostaghel

International Journal of Astronomy and Astrophysics Vol.6 No.1, March 30, 2016

DOI: 10.4236/ijaa.2016.61010 4,482 Downloads 8,877 Views Citations
The Hubble Field vs Dark Energy (Articles)

Juan Lartigue

Journal of Modern Physics Vol.7 No.12, August 31, 2016

DOI: 10.4236/jmp.2016.712145 2,131 Downloads 3,633 Views Citations
A New Version of the Lambda-CDM Cosmological Model, with Extensions and New Calculations (Articles)

Jan Helm

Journal of Modern Physics Vol.15 No.2, February 23, 2024

DOI: 10.4236/jmp.2024.152011 320 Downloads 1,704 Views Citations
This article belongs to the Special Issue on Gravitation, Astrophysics and Cosmology
The Upsilon Equation in R_H= ct Cosmology—A Summary of Recent Progress (Articles)

Eugene Terry Tatum, U. V. S. Seshavatharam

Journal of Applied Mathematics and Physics Vol.13 No.6, June 30, 2025

DOI: 10.4236/jamp.2025.136119 88 Downloads 480 Views Citations
An Exact CMB Photon Radiation Density $Ω_{γ}$ of the Universe Derived from $R_{H_{t}} = c t$ Cosmology (Articles)

Espen Gaarder Haug

Journal of Applied Mathematics and Physics Vol.14 No.1, January 30, 2026

DOI: 10.4236/jamp.2026.141024 67 Downloads 362 Views Citations
Emergence of Friedmann Equation of Cosmology of a Flat Universe from the Time-Energy Uncertainty Principle (Articles)

Vernon Cooray, Gerald Cooray, Farhad Rachidi

Journal of Modern Physics Vol.8 No.12, November 27, 2017

DOI: 10.4236/jmp.2017.812119 1,295 Downloads 2,987 Views Citations
Hypotheses on Vacuum and Elementary Particles: The Friedmann-Planck Micro-Universe, Friedmann and Schwarzschild Photon Spheres (Articles)

Raymond Fèvre

Journal of High Energy Physics, Gravitation and Cosmology Vol.6 No.3, June 28, 2020

DOI: 10.4236/jhepgc.2020.63026 504 Downloads 1,514 Views Citations
From the Big Bang to the Big Rip: One Cycle of a Closed Granular Friedmann-Planck Universe (Articles)

Raymond Fèvre

Journal of High Energy Physics, Gravitation and Cosmology Vol.7 No.2, March 31, 2021

DOI: 10.4236/jhepgc.2021.72021 604 Downloads 2,003 Views Citations
Does Space Have a Gravitational Susceptibility? A Model for the ΛCDM Density Parameters in the Friedmann Equation (Articles)

Christopher Pilot

Journal of High Energy Physics, Gravitation and Cosmology Vol.7 No.2, April 8, 2021

DOI: 10.4236/jhepgc.2021.72028 1,750 Downloads 2,932 Views Citations
The Speed of Light Is Not Constant in Basic Big Bang Theory (Articles)

Jef Van Royen

Journal of Modern Physics Vol.14 No.3, February 23, 2023

DOI: 10.4236/jmp.2023.143019 355 Downloads 2,437 Views Citations
Revised Newtonian Formula of Gravity and Equation of Cosmology in Flat Space-Time Transformed from Schwarzschild Solution (Articles)

Xiaochun Mei, Ping Yu

International Journal of Astronomy and Astrophysics Vol.2 No.1, March 28, 2012

DOI: 10.4236/ijaa.2012.21002 5,230 Downloads 10,636 Views Citations
An Algorithm to Optimize the Calculation of the Fourth Order Runge-Kutta Method Applied to the Numerical Integration of Kinetics Coupled Differential Equations (Articles)

Sadao Isotani, Walter Maigon Pontuschka, Seiji Isotani

Applied Mathematics Vol.3 No.11, November 7, 2012

DOI: 10.4236/am.2012.311218 8,285 Downloads 14,437 Views Citations
On the Meromorphic Solutions of Fermat-Type Differential Equations (Articles)

Dengfeng Liu, Biao Pan

Journal of Applied Mathematics and Physics Vol.10 No.9, September 30, 2022

DOI: 10.4236/jamp.2022.109188 258 Downloads 1,072 Views Citations
This article belongs to the Special Issue on Ordinary Differential Equations and Its Applications
Closed virial equations for hard parallel cubes andsquares (Articles)

Leslie V. Woodcock

Natural Science Vol.3 No.7, July 29, 2011

DOI: 10.4236/ns.2011.37085 5,596 Downloads 9,824 Views Citations
The Exact Similarity between the Positron and the Electron Equations in a P and the T Violations (Articles)

Roger Boudet

Journal of Modern Physics Vol.3 No.8, August 16, 2012

DOI: 10.4236/jmp.2012.38101 5,095 Downloads 7,605 Views Citations
The Jeans Equation Generalization for the Rotating Universe (Articles)

Leonid M. Chechin, Aigerim T. Ibraimova

International Journal of Astronomy and Astrophysics Vol.4 No.4, December 5, 2014

DOI: 10.4236/ijaa.2014.44056 3,446 Downloads 5,013 Views Citations
Using Row Reduced Echelon Form in Balancing Chemical Equations (Articles)

R. O. Akinola, S. Y. Kutchin, I. A. Nyam, O. Adeyanju

Advances in Linear Algebra & Matrix Theory Vol.6 No.4, December 15, 2016

DOI: 10.4236/alamt.2016.64014 4,738 Downloads 11,649 Views Citations
The Most Primitive Extant Ancestor of Organisms and Discovery of Definitive Evolutionary Equations Based on Complete Genome Structures (Articles)

Kenji Sorimachi

Natural Science Vol.10 No.9, September 30, 2018

DOI: 10.4236/ns.2018.109034 1,007 Downloads 2,653 Views Citations
How Classical, Quantum-Mechanical, and Relativistic Wave and Field Equations Are Uniformly Generated by Velocity-Field Divergence Equations (Articles)

Frank Blume

Journal of Applied Mathematics and Physics Vol.11 No.9, September 28, 2023

DOI: 10.4236/jamp.2023.119178 236 Downloads 803 Views Citations
Oscillation Theorems for a Class of Nonlinear Second Order Differential Equations with Damping (Articles)

Xiaojing Wang, Guohua Song

Advances in Pure Mathematics Vol.3 No.1A, January 30, 2013

DOI: 10.4236/apm.2013.31A032 5,027 Downloads 9,601 Views Citations
This article belongs to the Special Issue on Differential Equations and Dynamic Systems

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