Physics Major: Should I Take Abstract Algebra?

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Discussion Overview

The discussion centers around the decision of whether to take an abstract algebra course as a physics major, considering its relevance and utility in the field of physics, particularly in relation to group theory and its applications.

Discussion Character

  • Debate/contested
  • Conceptual clarification
  • Exploratory

Main Points Raised

  • One participant expresses uncertainty about staying in the abstract algebra class, questioning its usefulness for a physics major and citing concerns about time and financial constraints.
  • Another participant asserts that abstract algebra is indeed used in physics, particularly through group theory, which can simplify differential equations and describe symmetries in physical systems.
  • A different participant shares their experience, noting that while group theory from abstract algebra is useful in upper-level courses, they believe other courses like discrete mathematics, differential equations, and real analysis may be more relevant.
  • A participant mentions that abstract algebra is the only math class available to them due to limited course offerings and references a specific book, "Group Theory and Quantum Mechanics" by Michael Tinkham, as a potential resource for understanding the connection between abstract algebra and quantum mechanics.

Areas of Agreement / Disagreement

Participants express differing opinions on the relevance of abstract algebra for a physics major. While some highlight its importance, others suggest alternative courses may be more beneficial. The discussion remains unresolved regarding the necessity of taking abstract algebra.

Contextual Notes

Participants acknowledge limitations in course availability and the impact of a small school size on their choices. There is also an indication of varying opinions on the importance of abstract algebra compared to other mathematical courses.

neosoul
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Should I take abstract algebra. I was going to double major but I don't want to be at school for more than four years or pay for extra classes. Therefore, I decided minor in mathematics instead. I registered for abstract algebra before I decided to just minor in mathematics. I have a hard time registering for classes since the physics department hired a new adviser which is why I haven't gotten out of it yet. So, should I stay in the class? Will it be helpful for a physics major?
 
Physics news on Phys.org
Yes its used in physics:

http://en.wikipedia.org/wiki/Abstract_algebra

In physics, groups are used to represent symmetry operations, and the usage of group theory could simplify differential equations. In gauge theory, the requirement of local symmetry can be used to deduce the equations describing a system. The groups that describe those symmetries are Lie groups, and the study of Lie groups and Lie algebras reveals much about the physical system; for instance, the number of force carriers in a theory is equal to dimension of the Lie algebra, and these bosons interact with the force they mediate if the Lie algebra is nonabelian.[2]
 
I also took abstract algebra as a physics major, and group theory is useful in some upper-level courses. However, if possible, I believe there are other courses that are more relevant such as discrete mathematics, differential equations, and real analysis.
 
samnorris93 said:
I also took abstract algebra as a physics major, and group theory is useful in some upper-level courses. However, if possible, I believe there are other courses that are more relevant such as discrete mathematics, differential equations, and real analysis.

I know, but Abstract Algebra is the only math class I could get into. My school is so small that most math and physics courses only have one section each. I've been looking for reasons to stay in Abstract Algebra. I think I found a book that might help me. It's entitled "Group Theory and Quantum Mechanics" and was written by Michael Tinkham. Based on the reviews, it's very helpful for understanding the relationship behind abstract algebra and quantum mechanics.
 

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