18.757 | Fall 2023 | Graduate

Representations of Lie Groups

Calendar

Lecture 1: Continuous Representations of Topological Groups

Lecture 2: \(K\)-finite Vectors and Matrix Coefficients

Problem set 1 due

Lecture 3: Algebras of Measures on Locally Compact Groups

Lecture 4: Plancherel Formulas, Dirac Sequences, Smooth Vectors

Problem set 2 due

Lecture 5: Admissible Representations and (\(\mathfrak{g}\), \(K\))-Modules

Lecture 6: Weakly Analytic Vectors

Problem set 3 due

Lecture 7: Infinitesimal Equivalence and Globalization

Lecture 8: Highest Weight Modules and Verma Modules

Problem set 4 due

Lecture 9: Representations of \(SL_2\mathbb{R}\)

Lecture 10: The Chevalley Restriction Theorem and the Chevalley-Shephard-Todd Theorem

Problem set 5 due

Lecture 11: Proof of the Chevalley-Shephard-Todd Theorem, Part I

Lecture 12: Proof of the Chevalley-Shephard-Todd Theorem, Part II

Problem set 6 due

Lecture 13: Kostant’s Theorem

Lecture 14: Harish-Chandra Isomorphism, Maximal Quotients

Problem set 7 due

Lecture 15: Category \(\mathcal{O}\) of \(\mathfrak{g}\)-Modules, Part I

Lecture 16: Category \(\mathcal{O}\) of \(\mathfrak{g}\)-Modules, Part II

Problem set 8 due

Lecture 17: The Nilpotent Cone of \(\mathfrak{g}\)

Lecture 18: Maps of Finite Type, the Duflo-Joseph Theorem 

Problem set 9 due

Lecture 19: Principal Series Representations

Lecture 20: BGG Reciprocity and the BGG Theorem

Problem set 10 due

Lecture 21: Multiplicities in Category \(\mathcal{O}\)

Lecture 22: Projective Functors, Part I 

Problem set 11 due

Lecture 23: Projective Functors, Part II

Lecture 24: Applications of Projective Functors, Part I

Problem set 12 due

Lecture 25: Applications of Projective Functors, Part II

Lecture 26: Representations of \(SL_2\mathbb{C}\)

Problem set 13 due

Lecture 27: Geometry of Complex Semisimple Lie Groups

Lecture 28: D-Modules, Part I

Problem set 14 due

Lecture 29: The Beilinson-Bernstein Localization Theorem

Lecture 30: D-Modules, Part II

Problem set 15 due

Lecture 31: Applications of D-modules to Representation Theory

Problem set 16 due

Course Info

Instructor
Departments
As Taught In
Fall 2023
Level
Learning Resource Types
Online Textbook
Lecture Notes
Problem Sets