First Sentence:
The main objective of this chapter is to introduce the a-torsion functor (throughout the book, a always denotes an ideal in a (non-trivial) commutative Noetherian ring R) and its right derived functors H (i > 0), referred to as the local cohomology functors with respect to a.
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Key Phrases - Statistically Improbable Phrases (SIPs):
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affine algebraic cones, local cohomology modules, local cohomology theory, minimal secondary representation, show that reg, proper graded ideal, graded local cohomology, exceeding reg, formal fibres, minimal injective resolution, local cohomology functors, infinite residue field, arithmetic rank, regularity reg, bounding system, complete local domain, inverse family, graded prime ideal, positively graded ring, commutative graded ring, commutes with direct limits, canonical module, connectedness dimension, distinct irreducible components, vanishing theorem
Key Phrases - Capitalized Phrases (CAPs):
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Independence Theorem, Mayer-Vietoris Sequence, Artinian R-module, Grothendieck's Vanishing Theorem, Local Duality Theorem, Annihilator Theorem, Flat Base Change Theorem, Lichtenbaum-Hartshorne Vanishing Theorem, Serre-Grothendieck Correspondence, Shifted Localization Principle, Deligne Isomorphism Theorem, Proof Let, Serre's Affineness Criterion, Hartshorne's Example, Noetherian R-module, Prime Avoidance Theorem, Matlis Duality Theorem, Grothendieck's Finiteness Theorem, Cohen-Macaulay R-module, Five Lemma, Deligne Correspondence, Graded Finiteness Theorem, Bertini-Grothendieck Connectivity Theorem, Grothendieck's Connectedness Theorem, Lichtenbaum-Hartshorne Theorem
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