TL;DR
This paper introduces string diagram techniques for monoidal categories, emphasizing their importance in the process of categorification, aimed at readers interested in quantum algebra and category theory.
Contribution
It provides an accessible introduction to string diagrams and their application in categorification within monoidal categories.
Findings
String diagrams facilitate understanding of monoidal categories.
Categorification benefits from visual tools like string diagrams.
The notes serve as an educational resource for advanced mathematical concepts.
Abstract
These are lectures notes for a mini-course given at the conference Interactions of Quantum Affine Algebras with Cluster Algebras, Current Algebras, and Categorification in June 2018. The goal is to introduce the reader to string diagram techniques for monoidal categories, with an emphasis on their role in categorification.
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