Physics for rainy days

Latest Posts

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Pivotal and ribbon categories
In today’s post I will introduce the notion of pivotal categories, for which the double dual of...
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Dual objects in category theory
In this post I will focus on the concept of dual objects and dualizability, which in the context of categorical...
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Reconstructing linear algebra from categories
Over the last months, I took a break from this blog project in order to write my Master’s dissertation...
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Monoidal category theory: An introduction to diagrams
In this second blog post, I introduce monoidal categories which are categories with extra data which...
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Basic notions of category theory, and what's to come
This first post is a basic introduction to the notion of a category, and accompanying definitions: objects,...