Lecture

Seifert van Kampen: demonstration and relationship with rectangles

Description

This lecture covers the demonstration of Seifert van Kampen theorem, focusing on laces based on vertices of rectangles and their relationship with paths. It explains how to decompose laces, understand the relationship between rectangles, and the delicate situation when crossing rectangles. The instructor emphasizes the importance of considering different scenarios and provides examples to illustrate the concepts.

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