Math for Physics: Solid State, Thermal, Maxwells, Relativity & Optics

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Mathematics is essential in various fields of physics, with specific areas being crucial for topics like solid state physics, thermal and statistical physics, and Maxwell's equations. Key mathematical concepts include partial differentiation, differential equations, Fourier series, and vector calculus. For Maxwell's equations, additional mathematical tools such as multiple integration (line, surface, and volume integrals) and vector differentiation operators (divergence, gradient, curl) are particularly important. The discussion emphasizes the necessity of multivariable integration and its relationship to vector calculus, highlighting the interconnectedness of these mathematical areas in understanding physical principles.
samgrace
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Hello, it is said that maths is the language of science, specifically physics. I am posting to ask which areas of mathematics are used in sections of physics.

In a months time I will be studying:

Solid state physics
Thermal and statistical physics
Maxwells equations, relativity and optics
Image processingThe areas of maths that I am revising are:

Partial differentiation
Differential equations (ordinary and partial)
Fourier series
Vector calculus
Are there any other areas that are used within these topics?
 
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For Maxwell's equations (electrodynamics) in particular you should add multiple integration (line, surface and volume integrals); also, the vector differentiation operators (div, grad, curl) if they're not already included under your "partial differentiation" entry.
 
jtbell said:
For Maxwell's equations (electrodynamics) in particular you should add multiple integration (line, surface and volume integrals); also, the vector differentiation operators (div, grad, curl) if they're not already included under your "partial differentiation" entry.

I would be greatly surprised if all these topics were not covered in "vector calculus".
 
Bleah. After I saw "partial differentiation" I thought, "what about multivariable integration" and mentally skipped over "vector calculus" at the end.
 
Hey, I am Andreas from Germany. I am currently 35 years old and I want to relearn math and physics. This is not one of these regular questions when it comes to this matter. So... I am very realistic about it. I know that there are severe contraints when it comes to selfstudy compared to a regular school and/or university (structure, peers, teachers, learning groups, tests, access to papers and so on) . I will never get a job in this field and I will never be taken serious by "real"...
Yesterday, 9/5/2025, when I was surfing, I found an article The Schwarzschild solution contains three problems, which can be easily solved - Journal of King Saud University - Science ABUNDANCE ESTIMATION IN AN ARID ENVIRONMENT https://jksus.org/the-schwarzschild-solution-contains-three-problems-which-can-be-easily-solved/ that has the derivation of a line element as a corrected version of the Schwarzschild solution to Einstein’s field equation. This article's date received is 2022-11-15...
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