Source recommendation on Differential Geometry

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Discussion Overview

The discussion revolves around recommendations for learning differential geometry and linear algebra, particularly in the context of preparing for advanced studies in physics, including classical mechanics and quantum mechanics. Participants explore various resources and address specific concepts that may be relevant for understanding material in H. Goldstein's classical mechanics text.

Discussion Character

  • Exploratory
  • Technical explanation
  • Homework-related

Main Points Raised

  • One participant seeks recommendations for books on basic and intermediate differential geometry, mentioning V. Arnold's book as a potential resource but expressing concern about time constraints.
  • Another participant suggests "Differential Geometry of Curves and Surfaces" by Tapp and "Elementary Linear Algebra" by Anton as suitable resources.
  • A participant highlights the need to clarify which specific concepts in differential geometry the original poster wishes to learn.
  • The original poster indicates confusion regarding a specific statement in Goldstein's book related to D'Alembert's principle and the curvature of coordinates, seeking guidance on what to study to understand this better.

Areas of Agreement / Disagreement

There is no consensus on the best resources for learning differential geometry, as participants provide different suggestions. The discussion remains unresolved regarding the specific concepts the original poster needs to focus on.

Contextual Notes

The original poster's understanding of differential geometry is limited, and they express a need for foundational knowledge to grasp advanced topics in physics. The discussion includes references to specific equations and principles from Goldstein's text, which may require further exploration of differential geometry concepts.

rajsekharnath
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I am intending to join an undergrad course in physics(actually it is an integrated masters course equivalent to bs+ms) in 1-1.5 months. The thing is, in order to take a dive into more advanced stuff during my course, I am currently studying some of the stuff that will be taught in the first year, and that is classical mechanics and electrodynamics at that moment, so I studied the first two chapters of Griffith's book of Electrodynamics(some part of the electrostatics chapter is due), and I studied the variational calculus chapter from Taylor's book of Classical mechanics and right now I am studying the first chapter of Classical mechanics by H. Goldstein(because I was interested), so far I have reached the point where he derives the Lagrange Equation from D'Alembert's principle, but now I am getting stuck because he is talking about some differential geometry which I know nothing about. So I have mainly two questions:
1.Which book should I consult to learn some basic and intermediate differential geometry? I heard V. Arnold's book on mathematical methods for mechanics is a great one, but should I go for reading a little bit of that considering I do not have that much time? Any recommendations of source is welcome.
Also, I found out the college I will be going into, uses Taylor's book for Classical mechanics, so my plan is to supplement Taylor with H. Goldstein as I am interested in the more canonical and comprehensive stuff it provides.
2.I also came across to know that I will be needing a thorough hold on linear algebra to progress on the later chapters of Goldstein and in the advanced books of Quantum Mechanics which I am willing to catch up later, so I also seek source recommendations on that.
 
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Very hard to read post because
1) just a big paragraph
2) there are two questions here - book on differential geometry and book on linear algebra

Perhaps its best if you list the concepts in differential geometry you seek to learn.

Anyway, I recommend these:
Differential Geometry of Curves and Surfaces, by Tapp, Springer
Elementary linear algebra, by Anton (any edition should suffice)

Also check out free "books" here https://www.physicsforums.com/threa...-math-books-and-lecture-notes-part-1.1044710/
 
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Yeah the questions got no replies because I accidentally framed such a big paragraph.
 
Last edited:
rajsekharnath said:
Yeah the questions got no replies because I accidentally framed such a big prargraph.
Sarcasm?
 
malawi_glenn said:
Sarcasm?
No sir. I just wrote what I thought.
 
rajsekharnath said:
No sir. I just wrote what I thought.
Did you assume my gender? ;)

Now what about those concepts in diff geom, what are the ones you want to learn?
 
Well, the point where I got stuck in Goldstein's book is where he just derives the D'Alembert's principle Eqn 1.52, he says:"Note that in system of Cartesian co-ordinates the partial derivative of T with respect to q^j vanishes. Thus speaking in the language of differential geometry, the term arises from the curvature of the co-ordinates q^j."
I do not understand the second line he says and I wanted to know what I need to learn(and from which book, if it requires) in order to understand the line.
And as of the case of assuming your gender, I am sorry sir. Oh I did that again accidentally!
Sorry again.
 

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