Homological algebra | Ring theory

Hochschild homology

In mathematics, Hochschild homology (and cohomology) is a homology theory for associative algebras over rings. There is also a theory for Hochschild homology of certain functors. Hochschild cohomology was introduced by Gerhard Hochschild for algebras over a field, and extended to algebras over more general rings by Henri Cartan and Samuel Eilenberg. (Wikipedia).

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Teena Gerhardt - 3/3 Algebraic K-theory and Trace Methods

Algebraic K-theory is an invariant of rings and ring spectra which illustrates a fascinating interplay between algebra and topology. Defined using topological tools, this invariant has important applications to algebraic geometry, number theory, and geometric topology. One fruitful approac

From playlist Summer School 2020: Motivic, Equivariant and Non-commutative Homotopy Theory

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Lars Hesselholt: Around topological Hochschild homology (Lecture 8)

The lecture was held within the framework of the (Junior) Hausdorff Trimester Program Topology: "Workshop: Hermitian K-theory and trace methods" Introduced by Bökstedt in the late eighties, topological Hochschild homology is a manifestation of the dual visions of Connes and Waldhausen to

From playlist HIM Lectures: Junior Trimester Program "Topology"

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Lars Hesselholt: Around topological Hochschild homology (Lecture 1)

The lecture was held within the framework of the (Junior) Hausdorff Trimester Program Topology: "Workshop: Hermitian K-theory and trace methods" Introduced by Bökstedt in the late eighties, topological Hochschild homology is a manifestation of the dual visions of Connes and Waldhausen to

From playlist HIM Lectures: Junior Trimester Program "Topology"

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Lars Hesselholt: Around topological Hochschild homology (Lecture 2)

The lecture was held within the framework of the (Junior) Hausdorff Trimester Program Topology: "Workshop: Hermitian K-theory and trace methods" Introduced by Bökstedt in the late eighties, topological Hochschild homology is a manifestation of the dual visions of Connes and Waldhausen to

From playlist HIM Lectures: Junior Trimester Program "Topology"

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Lars Hesselholt: Around topological Hochschild homology (Lecture 7)

The lecture was held within the framework of the (Junior) Hausdorff Trimester Program Topology: "Workshop: Hermitian K-theory and trace methods" Introduced by Bökstedt in the late eighties, topological Hochschild homology is a manifestation of the dual visions of Connes and Waldhausen to

From playlist HIM Lectures: Junior Trimester Program "Topology"

Video thumbnail

Lars Hesselholt: Around topological Hochschild homology (Lecture 3)

The lecture was held within the framework of the (Junior) Hausdorff Trimester Program Topology: "Workshop: Hermitian K-theory and trace methods" Introduced by Bökstedt in the late eighties, topological Hochschild homology is a manifestation of the dual visions of Connes and Waldhausen to

From playlist HIM Lectures: Junior Trimester Program "Topology"

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Lars Hesselholt: Around topological Hochschild homology (Lecture 5)

The lecture was held within the framework of the (Junior) Hausdorff Trimester Program Topology: "Workshop: Hermitian K-theory and trace methods" The resulting cohomology theory has had numerous applications to algebraic K-theory and, more recently, to integral p-adic Hodge theory. The goa

From playlist HIM Lectures: Junior Trimester Program "Topology"

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Lars Hesselholt: Around topological Hochschild homology (Lecture 6)

The lecture was held within the framework of the (Junior) Hausdorff Trimester Program Topology: "Workshop: Hermitian K-theory and trace methods" The resulting cohomology theory has had numerous applications to algebraic K-theory and, more recently, to integral p-adic Hodge theory. The goa

From playlist HIM Lectures: Junior Trimester Program "Topology"

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Algebraic K-theory is an invariant of rings and ring spectra which illustrates a fascinating interplay between algebra and topology. Defined using topological tools, this invariant has important applications to algebraic geometry, number theory, and geometric topology. One fruitful approac

From playlist Summer School 2020: Motivic, Equivariant and Non-commutative Homotopy Theory

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Lecture 7: Hochschild homology in ∞-categories

In this video, we construct Hochschild homology in an arbitrary symmetric-monoidal ∞-category. The most important special case is the ∞-category of spectra, in which we get Topological Hochschild homology. Feel free to post comments and questions at our public forum at https://www.uni-mu

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