Call for 2026 Summer Research Associates
Come spend the summer at the Topos Institute! For early-career researchers, we’re excited to open up applications for our 2026 Summer Research Associate program.
2025-11-24
Joanna Ko
Postdoctoral Researcher
Topos UK
Joanna Ko is a Mathematician, primarily a Category Theorist. She believes that the philosophy of Category Theory resonates with our cognitions, perceptions, and thinkings, therefore, Category Theory provides a nice framework for describing and recognising numerous interesting phenomena, similarities, invariants, and beauties, in the eyes of humans.
How to write a fantastic book in four months, Part III
In the third post of this series about Relational Thinking: from abstractions to applications, we look at the story-telling approach that we took in writing the book.
2024-07-09
How to write a fantastic book in four months, Part II
In the second post of this series about Relational Thinking: from abstractions to applications, we look at the technologies used to build the book.
2024-07-04
How to write a fantastic book in four months, Part I
In the first post of this series, we introduce the freely available online book Relational Thinking: from abstractions to applications, starting with the story of how it came into being and giving a brief overview of its contents.
2024-06-28
Symbolic presentations of dynamical systems
A follow-up to Algebraic Geometry for the Working Programmer, this post explains a category-theoretic approach to symbolic open dynamical systems.
2023-05-08
![The map of mathematics [Source]](../../blog/2023-01-05-preparing-for-networked-mathematics/map.jpg)
![The cohort of Em-Cats speakers and their talk titles/topics. [PDF]](../../blog/2021-08-24-em-cats-announcement/em-cats-poster.png)
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