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Latest posts
Last updated 20 days ago
(Weak) Homotopy Equivalences
20 days ago
Previously: Fibrations and Cofibrations. In topology, we say that two shapes are...
Fibrations and Cofibrations
about 1 month ago
We are used to thinking of a mapping as either being invertible...
Subfunctor Classifier
3 months ago
Previously: Subobject Classifier. In category theory, objects are devoid of internal structure...
Subobject Classifier
4 months ago
Proviously Sieves and Sheaves. We have seen how topology can be defined...
Understanding Attention in LLMs
4 months ago
There are many excellent AI papers and tutorials that explain the attention...
Legalizing Comonad Composition
6 months ago
The yearly Advent of Code is always a source of interesting coding...
Sieves and Sheaves
8 months ago
Previously: Covering Sieves. We’ve seen an intuitive description of presheaves as virtual...
Covering Sieves
8 months ago
Previously: Sheaves as Virtual Objects. In order to define a sheaf, we...
Sheaves as Virtual Objects
9 months ago
Previously: Coverages and Sites The definition of a sheaf is rather complex...
Coverages and Sites
9 months ago
Previously: Sheaves and Topology. In our quest to rewrite topology using the...
Sheaves and Topology
11 months ago
Previously: Presheaves and Topology. In all branches of science we sooner or...
Presheaves and Topology
11 months ago
Category theory lets us change the focus from individual objects to relationships...