Math 712 — Topics in Foundations

Winter 2018: Model theory and o-minimal structures

  • Jesse pointed out that there was something missing from the proof of Lemma 2.4 in O-minimal structures: I applied Exercise 2.2 as if formulated for definable subsets of arbitrary finite powers of $M$, which it wasn’t. The notes are now corrected.
  • Please save unfinished posts as Drafts. Only choose “submit for review” once you are ready to submit your assignment; this makes it easier for me to see whether you are still working on it or not.

Homework and suggested problems

Please submit your solutions to this blog.
Due date Problem Remarks
Jan 12 Give a detailed proof of Proposition 1.8 in Structures discussion only
Jan 19 Homework 1 hand in
Jan 26 Homework 2 hand in
Feb 13 Homework 3 hand in
Mar 2 Homework 4 hand in
Mar 9 Exercises 1.5, 1.7 and 1.9 in Expansions of dense linear orders
Exercises 2.2 in O-minimal structures
hand in
Mar 16 Exercise 3.3 in Monotonicity
Exercise 4.4 in Definable closure
Exercises 5.2 in Cell decomposition
hand in
Mar 23 Exercise 5.13 in Cell decomposition hand in

Covered so far

Tuesday Friday
Jan 04–05 Structures
Jan 08–12 Morphisms Theories
Jan 15–19 Vaught’s Test Quantifier elimination
Jan 22–26 Application to algebraically closed fields Real closed fields
Van den Dries’s notes on real closed fields
Jan 29–Feb 02 aster.ca/~speisseg/blog/wordpress/wp-content/uploads/2018/01/quantifier_elimination.pdf”>Application to real closed fields class cancelled
Feb 05–09 Model completeness Types
(Saturation)
(Omitting types)
Feb 12–16 Algebraic closure Pregeometries
(Strong minimality)
Feb 26–Mar 02 Expansions of dense linear orders O-minimal structures
Mar 05–09 Monotonicity Definable closure
Cell decomposition
Mar 12–16 Cell decomposition Cell decomposition
Mar 19–23 Dimension Dimension
O-minimal expansions of groups

General information

Instructor: Patrick Speissegger
Office: HH 409A
Telephone: extension 23430
E-mail: speisseg at math dot mcmaster dot ca
Office Hours: By appointment.
Lectures: Tuesday 11–12:15 in HH/410 and Friday 10–11:15 in HH/207.
Course notes: posted under “Covered so far”
Recommended reading: Model theory, by David Marker, Springer Verlag, 2002; Graduate Texts in Mathematics 217.
Tame topology and o-minimal structures, by Lou van den Dries, Cambridge University Press, 1998; LMS Lecture Notes Series 248.
Geometric categories and o-minimal structures, by Lou van den Dries and Chris Miller, Duke Math. J. 84, Number 2, 1996, pp. 497–540.
Assessment: Your grade will be based on in-class participation (20%) and submitted solutions to suggested problems (80%).

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