Fernando Salmon Iza

[28] viXra:2609.0035 submitted on 2026-09-13 18:18:25 , (0 unique-IP downloads)

On How the Friedmann Equations Lead Only to Non-Accelerating Universes

Authors: Fernando Salmon Iza
Category: Relativity and Cosmology

[27] viXra:2607.0088 submitted on 2026-07-22 22:15:43 , (72 unique-IP downloads)

Is a Spontaneous Contraction of the Universe Thermodynamically Possible?

Authors: Fernando Salmon Iza
Category: Relativity and Cosmology

[26] viXra:2603.0118 submitted on 2026-03-23 02:10:45 , (108 unique-IP downloads)

Dark Energy and Zero Active Mass Equation

Authors: Fernando Salmon Iza
Category: Relativity and Cosmology

[25] viXra:2511.0076 submitted on 2025-11-17 01:58:47 , (193 unique-IP downloads)

In a Universe with Zero Spatial Curvature, Dark Energy Cannot Exist [:] One Result Proves It.

Authors: Fernando Salmon Iza
Category: Relativity and Cosmology

[24] viXra:2507.0215 submitted on 2025-07-30 17:31:06 , (256 unique-IP downloads)

Is it Necessary to Modify the Age of the Universe Due to the Ages of the Most Distant Galaxies that Are Now Being Discovered?

Authors: Fernando Salmon Iza
Category: Astrophysics

[23] viXra:2502.0104 submitted on 2025-02-15 19:26:28 , (288 unique-IP downloads)

Physical Interpretation of the Zero Spatial Curvature Universe Models

Authors: Fernando Salmon Iza
Category: Astrophysics

[22] viXra:2412.0141 submitted on 2024-12-23 01:40:14 , (353 unique-IP downloads)

Calculating the Spatial Curvature of the Universe: an Equation that Relates it to Energy Density

Authors: Fernando Salmon Iza
Category: Astrophysics

[21] viXra:2411.0115 submitted on 2024-11-18 02:57:27 , (408 unique-IP downloads)

A Simple Equation to Calculate the Gaussian Curvature of Space-Time According to the Schwarzschild Model

Authors: Fernando Salmon Iza
Category: Relativity and Cosmology

[20] viXra:2408.0135 submitted on 2024-08-31 22:16:22 , (125 unique-IP downloads)

A New Equation Relating the Hubble Parameter to Redshift in the Linear Expansion Universe Model, Rh = ct

Authors: Fernando Salmon Iza
Category: Astrophysics

[19] viXra:2406.0049 submitted on 2024-06-11 20:02:05 , (183 unique-IP downloads)

A Study on Energy Density in a Universe in Linear Expanding

Authors: Fernando Salmon Iza
Category: Astrophysics

[18] viXra:2406.0048 submitted on 2024-06-11 20:05:53 , (132 unique-IP downloads)

Some Consequences of a Spatially Flat Universe, the Linear Expansion Universe Rh=ct

Authors: Fernando Salmon Iza
Category: Astrophysics

[17] viXra:2405.0083 submitted on 2024-05-16 19:15:51 , (229 unique-IP downloads)

On the Possible Zero Value of the Spatial Curvature Constant

Authors: Fernando Salmon Iza
Category: Astrophysics

[16] viXra:2402.0046 submitted on 2024-02-09 23:36:41 , (424 unique-IP downloads)

Calculating the Gaussian Curvature of Spacetime

Authors: Fernando Salmon Iza
Category: Relativity and Cosmology

[15] viXra:2312.0124 submitted on 2023-12-23 23:42:31 , (1240 unique-IP downloads)

Calculating the Curvature of Space-Time

Authors: Fernando Salmon Iza
Category: Astrophysics

[14] viXra:2311.0022 submitted on 2023-11-05 23:48:48 , (178 unique-IP downloads)

Gravitational Redshift and Curvature of Space-Time According to the Schwarzschild Model

Authors: Fernando Salmon Iza
Category: Astrophysics

[13] viXra:2310.0077 submitted on 2023-10-15 21:43:22 , (272 unique-IP downloads)

Physics in the Vicinity of Sagittarius a, Gauss Curvature Values of Spacetime in Its Vicinity

Authors: Fernando Salmon Iza
Category: Astrophysics

[12] viXra:2308.0190 submitted on 2023-08-29 22:52:57 , (202 unique-IP downloads)

An Equation that Relates the Energy Density to the Curvature of Space-Time in the ΛCDM Model

Authors: Fernando Salmon Iza
Category: Astrophysics

[11] viXra:2308.0108 submitted on 2023-08-16 20:24:12 , (327 unique-IP downloads)

Calculation of the Space-Time Curvature in the Vicinity of Schwarzschild Black Holes: Application to Sagittarius A*

Authors: Fernando Salmon Iza
Category: Astrophysics

[10] viXra:2308.0055 submitted on 2023-08-10 23:47:53 , (329 unique-IP downloads)

Calculation of the Energy Density Parameter ρ in the Cosmological Model ΛCDM and Through Experimental Data

Authors: Fernando Salmon Iza
Category: Astrophysics

[9] viXra:2304.0138 submitted on 2023-04-19 01:08:44 , (151 unique-IP downloads)

Calculation of the Energy Density of Space-Time and Study of Zero Energy States. a Universe of Matter, Light and Dark Energy

Authors: Fernando Salmon Iza
Category: Relativity and Cosmology

[8] viXra:2212.0201 submitted on 2022-12-29 00:06:30 , (147 unique-IP downloads)

Determination of the Mass and Half-Life of a Boson Generated from an Energy Level of Zero Value

Authors: Fernando Salmon Iza
Category: Mathematical Physics

[7] viXra:2212.0150 submitted on 2022-12-20 01:17:33 , (154 unique-IP downloads)

A Simple Formula That Allows Calculating the Scalar Curvature of the Trajectory to a Point in Space-time Located at a Fixed Distance From a Point Mass

Authors: Fernando Salmon Iza
Category: Relativity and Cosmology

[6] viXra:2205.0044 submitted on 2022-05-08 20:51:01, (146 unique-IP downloads)

On the Relationship Between the Hubble Constant, the Universal Gravitation Constant and Their Dependencies Over Time

Authors: Fernando Salmon Iza
Category: Relativity and Cosmology

[5] viXra:2204.0167 submitted on 2022-04-29 20:27:20, (189 unique-IP downloads)

Theoretical Determination of the Value of Newton's Universal Gravitation Constant Through the Relativity Tensor

Authors: Fernando Salmon Iza
Category: Relativity and Cosmology

[4] viXra:2204.0142 submitted on 2022-04-24 21:33:10, (161 unique-IP downloads)

A New Theory for the Origin of the Universe Through a New Relativistic Wave Equation for Bosons: a Universe of Matter and Light.

Authors: Fernando Salmon Iza
Category: Relativity and Cosmology

[3] viXra:2204.0071 submitted on 2022-04-13 20:36:11, (205 unique-IP downloads)

Calculation of the Energy Density of Space-time and Study of Zero Energy States: A Universe of Matter and Light

Authors: Fernando Salmon Iza
Category: Relativity and Cosmology

[2] viXra:2202.0137 submitted on 2022-02-21 20:28:58, (160 unique-IP downloads)

A New Relativistic Wave Equation and Its Application to Cosmos

Authors: Fernando Salmon Iza
Category: Relativity and Cosmology

[1] viXra:2202.0126 submitted on 2022-02-19 20:45:21, (191 unique-IP downloads)

Does Dark Matter Really Exist?

Authors: Fernando Salmon Iza
Category: Relativity and Cosmology