Homotopy II: CDGAs and rational homotopy types, applications of Sullivan's theory
42 , 5.00 , #Homotopy #CDGAs #rational #homotopy #types #applications #Sullivan39s #theory
Equivalence between CDGAs and rational homotopy types through the PL forms. Applications of Sullivan’s theory: models of spaces, dichotomy theorem…
Lecture 12/12 of the course Homotopy II given online at the Université de Paris. More info: The goal of this course is to introduce modern homotopy theory, its tools and applications. We will be particularly interested in two examples: chain complexes (see the previous Homology course) and topological spaces. We will present Quillen’s model categories, and we will explain the equivalence between topological spaces and simplicial sets. We will illustrate these methods with rational homotopy theory by showing that multiplicative structures of cochains encodes rational homotopy types of topological spaces.
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