18.S097 | January IAP 2019 | Undergraduate

Applied Category Theory

Lecture Videos and Readings

Chapter 1: Generative Effects: Orders and Adjunctions

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Lecture Videos

Session 1

Chapter 1: Generative Effects: Orders and Adjunctions Part 1

by Dr. David I. Spivak

Session 2

Chapter 1: Generative Effects: Orders and Adjunctions Part 2

by Dr. Brendan Fong

Readings

Internal links in the chapter file below are non-functional. For working links, open the file for the full textbook: An Invitation to Applied Category Theory: Seven Sketches in Compositionality (PDF - 2.6MB).

Chapter 1: Generative Effects: Orders and Adjunctions (PDF)

1.1 More than the sum of their parts

1.1.1 A first look at generative effects

1.1.2 Ordering systems

1.2 What is order?

1.2.1 Review of sets, relations, and functions

1.2.2 Preorders

1.2.3 Monotone maps

1.3 Meets and joins

1.3.1 Definition and basic examples

1.3.2 Back to observations and generative effects

1.4 Galois connections

1.4.1 Definition and examples of Galois connections

1.4.2 Back to partitions

1.4.3 Basic theory of Galois connections

1.4.4 Closure operators

1.4.5 Level shifting

1.5 Summary and further reading

Assignment

Problem set 1 (PDF) due at the beginning of Session 6.

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Course Info

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January IAP 2019
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Lecture Videos
Problem Sets
Online Textbook
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