Patrick Lei

This page contains notes from UMass as well as short expositions that I wrote either for class or for talks. If you find any mistakes in the notes, please email me or submit an issue (or pull request) on the git repository. You can use the checkboxes to filter the notes by location and subject.

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Notes from UMass
singular spaces (S20)
  • topology
symplectic topology (S20)
  • topology
lie algebras (F19)
  • rep-thy
manifolds (F19)
  • topology
varieties (S19)
  • alg-geo
algebra 2 (S19)
  • alg/nt
analysis 2 (S19)
  • analysis
representation theory (F18)
  • rep-thy
analysis 1 (F18)
  • analysis
complex analysis (S18)
  • analysis
Short expositions
Witten's conjecture
  • alg-geo
  • math-ph
lines on cubic surfaces
  • alg-geo
derived categories
  • alg-geo
complex cobordism
  • topology
artin l-functions
  • alg/nt
rational blowdowns
  • alg-geo
  • topology
permanent vs determinant
  • tcs
geometric complexity theory
  • alg-geo
  • rep-thy
  • tcs