Calculus of VariationsIsrael M. Gel'fand, Sergei Vasil'evic Fomin
Calculus of Variations
by Israel M. Gel'fand, Sergei Vasil'evic Fomin · first published 2012
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As mentioned in a footnote in the blog post, I think Gelfand and Fomin’s “Calculus of Variations” is very clear on its topic. Wald's "General Relativity" is slow-going, but excellent. No good textbooks on quantum mechanics or QFT exist; Weinberg's "Quantum Theory of Fields" is probably the least…
on “Structure and Interpretation of Classical Mechanics (2015)” ↗In undergrad I took a graduate class out of Calculus of Variations by Gelfand and Fomin [0] that went deep into the math of classical mechanics but assumed students already knew the relevant physics. I hadn't taken a proper classical mechanics class, and working through…
on “Lev Landau's “Theoretical Minimum”” ↗