Sagittarius A-Star's latest activity
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Sagittarius A-Star replied to the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations?.In Geometric Algebra, the Hodge * operation is replaced by an algebraic operation, a multiplication with the unit pseudo-scalar ##I##... -
Sagittarius A-Star reacted to robphy's post in the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations? with
Informative.
Here's a different approach by Fred Hehl: (1999) Classical Electrodynamics: A Tutorial on its Foundations Friedrich W. Hehl, Yuri N... -
Sagittarius A-Star replied to the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations?.This can be found in chapter 38 of the book "Introduction to Special Relativity, 2nd Edition" by Wolfgang Rindler...
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Sagittarius A-Star reacted to A.T.'s post in the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations? with
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Yes, it avoids introducing things like pseudo-vectors into the analysis, which are asymmetrical between two physically symmetrical... -
Sagittarius A-Star reacted to Hornbein's post in the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations? with Like.
A nice thing about geometric algebra is that there is no such thing as "the right hand rule." The sign comes about naturally. An...
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Sagittarius A-Star reacted to FactChecker's post in the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations? with Like.
I don't think their criticisms address what appealed to me about geometric algebra. I liked that it started with a basic geometrical...
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Sagittarius A-Star reacted to robphy's post in the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations? with Informative.
In my websearch for conventions in Geometric Algebra, I stumbled upon two vocal critics of GA (listed below). Since I am just learning...
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Sagittarius A-Star reacted to robphy's post in the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations? with Informative.
From an old thread of yours on Geometric Algebra...
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Sagittarius A-Star replied to the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations?.Addition: Geometric Algebra can also be applied to curved spacetime. I did not yet have a closer look to this. Source...
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Sagittarius A-Star reacted to weirdoguy's post in the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations? with Like.
May or may not. Differential geometry is my specialisation within mathematical physics, and when I tried to study geometric algebra it...
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Sagittarius A-Star reacted to FactChecker's post in the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations? with Like.
IMHO, as a casual amateur, geometric algebra (and geometric calculus) goes a long way to demystifying the subject. Unfortunately, it...
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Sagittarius A-Star replied to the thread Graduate What Exactly Is The Physical Content Of Maxwell's Equations?.What also may help for understanding the EM field is to use Geometric Algebra, applied to 4D-spacetime. The wedge product ##\wedge##...
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Sagittarius A-Star replied to the thread Graduate About the definition of Born rigidity.With ##\gamma=1/\sqrt{1-\omega^2r^2/c^2}## ##dA = \gamma r dr d\phi## The proper area is ##A(R)= 2\pi \int_0^R \gamma r \, dr= {2 \pi...
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Sagittarius A-Star replied to the thread Graduate About the definition of Born rigidity.The circumference will be measured in the non-Euclidean geometry of the rotating disk as ##U=\gamma 2\pi R## with...
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Sagittarius A-Star replied to the thread Graduate About the definition of Born rigidity.I think for clarificaion one should distinguish between one-way- and two-way speeds. For applying the LT for a segment of the rim of...
