Emily Riehl's Category Theory in Context Reading Group 2024-2025
Participants: Mete Han Karakas, Thomas Arnstein, Miguel Orozco, Tim Wesley, Yuxiang Zhao, Mingjie Wang, James Howard, August Noë, Natalie Marks.
Guests: Yahya Bashandy, Jadyn Breland.
Embedded Files
SPRING 2025
Week 6 - May 16, Friday - Tim Wesley
3.8. Interactions between limits and colimits, pages 110-114
Week 5 - May 9, Friday - James Howard
3.6. Functoriality of limits and colimits, pages 106-109
3.7. Size matters, pages 109-110
Week 4 - May 2, Friday - Thomas Arnstein
3.5. Complete and cocomplete categories, pages 100-106
Week 3 - April 25, Friday - Mete Han Karakas
3.4. The representable nature of limits and colimits, pages 94-99
Week 2 - April 18, Friday - Mingjie (Jack) Wang
3.3. Preservation, reflection, and creation of limits and colimits, pages 90-93
Week 1 - April 11, Friday - Yuxiang Zhao
3.2. Limits in the category of sets, pages 84-89
WINTER 2025
Week 9 - March 14, Friday - Dinner with Prof. Boltje!
Week 8 - March 7, Friday - James Howard
3.1. Limits and colimits as universal cones, pages 73-84
Week 7 - February 28, Friday - Strike!
Week 6 - February 21, Friday - Thomas Arnstein
2.4. The category of elements, pages 66-72
Week 5 - February 14, Friday - Valentine's Day!
Week 4 - February 7, Friday - Mete Han Karakas
2.3. Universal properties and universal elements, pages 62-65
Week 3 - January 31, Friday - Natalie Marks
2.2. The Yoneda lemma, pages 55-61
Week 2 - January 24, Friday - August Noë
2.1. Representable functors, pages 50-55
Week 1 - January 17, Friday - Mingjie (Jack) Wang
1.7. The 2-category of categories, pages 44-48
FALL 2024
Week 7 - December 6, Friday - Yuxiang Zhao
1.6. The art of the diagram chase, pages 36-44
Week 6 - November 29, Friday - Thanksgiving!
Week 5 - November 22, Friday - Tim Wesley
1.5. Equivalence of categories, pages 29-36
Week 2 - November 1, Friday - Thomas Arnstein
1.2. Duality, pages 9-13
Week 1 - October 25, Friday - Mete Han Karakas
1.1. Abstract and concrete categories, pages 3-8
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