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Everything about Chain complex

Tool in homological algebra

In mathematics, a chain complex is an algebraic structure that consists of a sequence of abelian groups and a sequence of homomorphisms between consecutive groups such that the image of each homomorphism is contained in the kernel of the next. Associated to a chain complex is its homology, which is a measure of the failure of a chain complex to be exact. Wikipedia →

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  1. Read the overview: Chain complexA 5-minute orientation
  2. Skim a recent paper: Complex regulatory effects of gut microbial short-chain fatty acids on immune tolerance and autoimmunityInfluential work since 2022
  3. Pick up a classic book: Robust Manufacturing ControlThe most-reprinted book on the subject
  4. Read the landmark paper: Profiling of complex microbial populations by denaturing gradient gel electrophoresis analysis of polymerase chain reaction-amplified genes coding for 16S rRNACited 9,176 times
  5. Go sideways: Differential graded algebraA closely related topic
  6. Go sideways: André–Quillen cohomologyA closely related topic

📖 Definitions

Noun A sequence of Abelian groups (or modules), together with a sequence of homomorphisms (called boundary homomorphisms) between consecutive groups, such that the image of one homomorphism is contained in the kernel of the next.

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