Elementary differential equations

What Hacker News says

1. actinium226Jan 2023
   Elementary Differential Equations by Boyce and DiPrima

   I'm not sure I'd say that it made me significantly better at math, but I keep coming back to it time and again, and usually via very different paths.

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2. MrBraJan 2015
   "An overview of Inter-universal Teichmüller Theory and [...] how we can begin to understand this theory":

   http://www.quora.com/Joseph-Heavner/Posts/An-overview-of-Int...

   Also, from an anonymous post on 4chan @ http://boards.4chan.org/sci/thread/6931488/are-you-ready-for... :

   "How to understand IUTeich from the bottom up:

   - Algebra (Israel Gelfand)

   - The Method of Coordinates (Israel Gelfand)

   - How to Prove It: A Structured Approach (Daniel Velleman)

   - Kiselev's Geometry - Planimetry and Stereometry

   - Trigonometry (Israel Gelfand)

   - What Is Mathematics? An Elementary Approach to Ideas and Methods (Richard Courant)

   - A Course of Pure Mathematics (G.H. Hardy)

   - Linear Algebra (Kenneth Hoffman and Ray Kunze)

   - Elementary Differential Equations (William Boyce and Richard DiPrima)

   - Topology (James Munkres)

   - Calculus On Manifolds (Michael Spivak)

   - Principles of Mathematical Analysis (Walter Rudin)

   - Real and Complex Analysis (Walter Rudin)

   - Functional Analysis (Walter Rudin)

   - Partial Differential Equations (Lawrence Evans)

   - Analysis On Manifolds (James Munkres)

   - Abstract Algebra (David Dummit and Richard Foote)

   - Algebraic Topology (Allen Hatcher)

   - Introduction to Smooth Manifolds (John Lee)

   - Foundations of Differentiable Manifolds and Lie Groups - (Frank Warner)

   - Galois Theory (Harold Edwards)

   - Linear Representations of Finite Groups (Jean-Pierre Serre and Leonhard Scott)

   - A Classical Introduction to Modern Number Theory (Kenneth Ireland and Michael Rosen)

   - Introduction to Analytic Number Theory (Tom Apostol)

   - Modular Functions and Dirichlet Series in Number Theory (Tom Apostol)

   - Riemannian geometry (Peter Petersen)

   - The Theory of the Riemann Zeta-Function (Edward Charles Titchmarsh)

   - An Introduction to Teichmüller Spaces (Yoichi Imayoshi and Masahiko Taniguchi)

   - A Course in p-adic Analysis (Alain Robert)

   - Foundations of p-Adic Teichmuller Theory (Shinichi Mochizuki)

   - Mochizuki's papers at http://www.kurims.kyoto-u.ac.jp/~motizuki/papers-english.htm... "

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