List of papers:

1-** **
**
Structure of Skew-adjoint Endomorphisms and Some
Peculiarities of Electromagnetic Field.
F. Sánchez Martín:
November 7, 2014**

2- Addendum to ”Structures of the Skew-adjoint Endomorphisms and Some Peculiarities of Electromagnetic Field”. Francisco Sanchez Martin; March 25, 2022

3- Some concepts about electric field, magnetic field and invariants of electromagnetic tensor. Francisco Sánchez Martin September 7, 2016

4-
Insight into the Theory of Relativity. ANALISYS OF
THE THEORY OF RELATIVITY FROM THE STANDPOINT OF TWO OBSERVERS THAT OBSERVE THE
SAME PHYSICAL PHENOMENON. Francisco
Sánchez Martín: October, 2020

5- Insights into the Theory of Relativity. part I. Critical Approach ; Basic Principles and Starting Points. Francisco Sánchez Martín: January 18, 2018

6- Insights into the Theory of Relativity. Part II. Lorentz Transformation. Francisco Sanchez Martin; January 11, 2018

7- Insights into the Theory of Relativity. Part III. Dynamic Relativist. 1. Matter and Energy Equivalence. Francisco Sanchez Martin; September 10, 2020

8-
Insights into the Theory of Relativity.
Part III. Dynamic Relativist. 2. Efect of the metric of einstenian
space-time in

the matter and energy equivalence.
Francisco Sanchez Martin; September 10,
2020

9-
**About the space-time generated by electromagnetic field**.
Francisco Sanchez Martin; June 25, 2021

10**-**
**Canonical**
**Forms
of Self-adjoint Operators and Associated Stress-Energy Tensors****. **
F. Sánchez Martín ; October 15, 2006