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- Academic unit or major
- Mathematics
- Instructor(s)
- Yasuda Takehiko
- Class Format
- Lecture (ZOOM)
- Media-enhanced courses
- Day/Period(Room No.)
- Intensive ()
- Group
- -
- Course number
- ZUA.E332
- Credits
- 2
- Academic year
- 2020
- Offered quarter
- 3Q
- Syllabus updated
- 2020/9/18
- Lecture notes updated
- -
- Language used
- English
- Access Index
-
Course description and aims
The main subject of this course is the study of the McKay correspondence by using motivic integration. Firstly we explain motivic integration over algebraic varieties and formulation of the McKay correspondence in terms of motivic invariants. After that, we explain the proof of the McKay correspondence by generalization of motivic integration. Lastly we explain generalization of the McKay correspondence to positive and mixed characteristics and explain its relation with the number theory as well as application to singularities.
We find that there is a beautiful (but non-trivial) relation between representations of finite groups and geometry of singularities. Moreover we learn that by generalizing to positive and mixed characteristics, we get number-theoretic phenomena and a new approach to singularities in positive and mixed characteristics.
Student learning outcomes
Understand the overview of motivic integration theory and become able to compute simple integrals.
Understand construction of quotient singularties and their basic properties.
Understand the formulation of the McKay correspondence in terms of motivic invariants and become able to derive properites of quotient singularities by applying it.
Keywords
McKay correspondence, quotient singularities, motivic integration, positive and mixed characteristics
Competencies that will be developed
| ✔ Specialist skills | Intercultural skills | Communication skills | Critical thinking skills | Practical and/or problem-solving skills |
Class flow
This is a standard lecture course. There will be some assignments.
Course schedule/Required learning
| Course schedule | Required learning | |
|---|---|---|
| Class 1 | Motivic integration 1 | Details will be provided during each class session. |
| Class 2 | Motivic integration 2 | Details will be provided during each class session. |
| Class 3 | Motivic integration 3 | Details will be provided during each class session. |
| Class 4 | Quotient singularities 1 | Details will be provided during each class session. |
| Class 5 | Quotient singularities 2 | Details will be provided during each class session. |
| Class 6 | Quotient singularities 3 | Details will be provided during each class session. |
| Class 7 | McKay correspondence in terms of motivic invariants 1 | Details will be provided during each class session. |
| Class 8 | McKay correspondence in terms of motivic invariants 2 | Details will be provided during each class session. |
| Class 9 | McKay correspondence in terms of motivic invariants 3 | Details will be provided during each class session. |
| Class 10 | Generalization of motivic integration and the proof of the McKay correspondence 1 | Details will be provided during each class session. |
| Class 11 | Generalization of motivic integration and the proof of the McKay correspondence 2 | Details will be provided during each class session. |
| Class 12 | Generalization to positive and mixed characteristics 1 | Details will be provided during each class session. |
| Class 13 | Generalization to positive and mixed characteristics 2 | Details will be provided during each class session. |
| Class 14 | Application to singularities 1 | Details will be provided during each class session. |
| Class 15 | Application to singularities 2 | Details will be provided during each class session. |
Textbook(s)
None in particular.
Reference books, course materials, etc.
Reference articles will be mentioned during the course
Assessment criteria and methods
Assignments (100%)
Related courses
- MTH.A201 ： Introduction to Algebra I
- MTH.A202 ： Introduction to Algebra II
- MTH.A203 ： Introduction to Algebra III
- MTH.A204 ： Introduction to Algebra IV
- MTH.A301 ： Algebra I
- MTH.A302 ： Algebra II
Prerequisites (i.e., required knowledge, skills, courses, etc.)
None in particular
