Reading Seminar on D-modules (2024S): Difference between revisions

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|Tensor product. Integral transforms (=Fourier-Mukai functor). The Fourier-Mukai transform on a line.
|Tensor product. Integral transforms (=Fourier-Mukai functor). The Fourier-Mukai transform on a line.

Revision as of 00:50, 18 July 2024

We meet on Tuesdays at 3pm on Zoom (email arinkin@math.wisc.edu for the link if you need it). The first meeting is on Tuesday, June 25th.

Tentative schedule

date speaker title topics
June 25 Josh Differential operators and filtrations We'll define the ring of algebraic differential operators

together with its order filtration, and discuss some of its implications for modules over rings of differential operators.

July 2 Jameson Left and right D-modules. Inverse images Examples of D-modules on a line. Quasicoherent D-modules. Left vs. right D-modules: an equivalence. Inverse images of D-modules. Examples (open embeddings, smooth morphisms, closed embeddings).
July 16 Dima Inverse and direct images. Derived category of D-modules `Naive' definition. Definition in the derived category (examples).
July 23 Alex Kashiwara's Lemma. Direct image under closed embeddings. Kashiwara's Lemma and applications.
July 30 available Integral transforms Tensor product. Integral transforms (=Fourier-Mukai functor). The Fourier-Mukai transform on a line.
TBD available Levelt-Turritin classification D-modules on punctured formal disk. Regular and irregular singularities. Extra topics: monodromy, the Stokes phenomenon, perhaps some discussion of non-punctured disk
TBD Kevin

(Another big topic)

Holonomic D-modules Singular support, Bernstein's inequality. Duality for holonomic D-modules
TBD available The six functors Preservation of holonomicity. Functoriality of singular support (?).

References

If you have other suggestions, please let me know (or just add to this list)!

  • J.Bernstein's notes on D-modules. They are quite informal and move very fast.
  • R.Hotta, K.Takeuchi, T.Tanisaki, D-modules, perverse sheaves, and representation theory. Very detailed and carefully written book.
  • V.Ginzburg's notes
  • C.Schnell's course on D-modules with lecture-by-lecture notes (Course page).
  • S.C.Coutinho, A primer of algebraic D-modules. The book does go too deep into theory, focusing instead on examples and practical calculation.
  • For modern approach to Levelt-Turritin classification, here's a paper by M.Kamgarpour and S.Weatherhog.