Abstract
In this chapter, we introduce cohomology groups by means of injective resolutions and show the duality theorem and spectral sequences. Readers who already know these concepts can skip this chapter.
An ordinary person forgets examples or is drowned in examples.
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Ishii, S. (2018). Homological Algebra and Duality. In: Introduction to Singularities. Springer, Tokyo. https://doi.org/10.1007/978-4-431-56837-7_3
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DOI: https://doi.org/10.1007/978-4-431-56837-7_3
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Publisher Name: Springer, Tokyo
Print ISBN: 978-4-431-56836-0
Online ISBN: 978-4-431-56837-7
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