Lecture Notes

Lecture Notes on p-adic numbers

The following list contains my notes from the p-adic numbers course at UVA this fall, which I’m sitting in on. These notes are taken live during lecture, so beware of any typographical errors!

  • Lecture 1: What are the p-adic numbers?
  • Lecture 2: Absolute Values on fields
  • Lecture 3: Absolute Values (continued)
  • Lecture 4: Classification of Absolute Values over $\mathbb{Q}$
  • Lecture 5: Completions of $(K,\vert\,\cdot\,\vert)$, Valuations
  • Lecture 6: Basic properties of $\mathbb{Q}_p$
  • Lecture 7: Some visualizations of $\mathbb{Z}_p$ (to be added)
  • Lecture 8: Building towards Hensel’s Lemma
  • Lecture 9: Hensel’s Lemma
  • Lecture 10: An Effective Hensel’s Lemma
  • Lecture 11: Building towards Kummer Congruences
  • Lecture 12: Important Gadgets from Fourier Analysis
  • Lecture 13: Important Gadgets from Complex Analysis
  • Lecture 14: Riemann’s Functional Equation
  • Lecture 15: $p$-adic Interpolation, $p$-adic Distributions
  • Lecture 16: $p$-adic Distributions (continued)
  • Lecture 17: Fixing the Bernoulli Distributions
  • Lecture 18: Measure and Integration on the $p$-adics
  • Lecture 19: Riemann Integration, more Bernoulli Distributions
  • Lecture 20: Proof of Kummer’s Congruence and the Von Staudt-Clausen Theorem
  • Lecture 21: Closing Remarks on Kummer; Some Algebraic Number Theory
  • Lecture 22: Lifting absolute values to finite extensions