Category Archives: Uncategorized

Stumbling Blocks Against Unification

Posted on May 6, 2020 by Matej Pavšič

My new book  Stumbling Blocks Against Unification   was published last month by Word Scientific. Its subtitle is On Some Persistent Misconceptions in Physics. In the book I discuss certain topics of fundamental theoretical physics that are generally considered as … Continue reading →

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Testing pasting of equations

Posted on May 5, 2020 by Matej Pavšič

It seems to me that now it is possible to paste latex equations into a post. I am now testing it. Let us see if it indeed works. Example 1   Pasting from a WordPress page: Exampke 2  Pasting from a … Continue reading →

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Problem with copy-pasting Latex equations into WordPress: No pasting – no posting

Posted on October 28, 2015 by Matej Pavšič

The main reason that I stopped posting  is that copy-pasting Latex equations from my files into WordPress produces the message “formula does not parse”.  I have to manually retype the formula in the WordPress edit window, and then Preview gives … Continue reading →

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On Physical Significance of Spaces with Neutral Signature

Posted on October 26, 2013 by Matej Pavšič

Negative Energies in Classical Theories We have seen that the Clifford space, C,  is a manifold, whose tangent space at any of its points is the Clifford algebra . Its metric has the signature  (8,8), which means that it can … Continue reading →

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“The Trouble with Physics”

Posted on August 26, 2013 by Matej Pavšič

It is only recently that I had the opportunity to read the book The Trouble with Physics by Lee Smolin. I liked the book, and I was pleased to find that the author discussed some issues about fundamental theoretical physics that … Continue reading →

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From vectors to spinors, and beyond

Posted on December 30, 2012 by Matej Pavšič

Spinors are usually considered as weird objects that cannot be easily understood in intuitive terms. But within the context of  Clifford algebra Cl(1,3) there exist a well-known procedure to construct spinors in terms of vectors, and their wedge products. In … Continue reading →

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Geometry and Physics (Part 2)

Posted on December 11, 2012 by Matej Pavšič

Clifford Space: An Extension of Spacetime An extended object, O, can be be sampled by a finite set of parameters, for instance, by the center of mass coordinates, and by the orientation of its axes of symmetries. Higher multipole deformations, … Continue reading →

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Geometry and Physics (Part 1)

Posted on December 7, 2012 by Matej Pavšič

Geometric Calculus Based on Clifford Algebra In 1992 I met prof. Waldyr A. Rodrigues, jr., who introduced me into the subject of Clifford algebras. We were guests of prof. Erasmo Recami at the Institute of Theoretical Physics, Catania, Italy. Until … Continue reading →

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