The Lefschetz Properties

Tadahito / Maeno Harima - Collection Yellow Sale 2023

250 pages, parution le 29/08/2013

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Résumé

This is a monograph which collects basic techniques, major results and interesting applications of Lefschetz properties of Artinian algebras.This is a monograph which collects basic techniques, major results and interesting applications of Lefschetz properties of Artinian algebras. The origin of the Lefschetz properties of Artinian algebras is the Hard Lefschetz Theorem, which is a major result in algebraic geometry. However, for the last two decades, numerous applications of the Lefschetz properties to other areas of mathematics have been found, as a result of which the theory of the Lefschetz properties is now of great interest in its own right. It also has ties to other areas, including combinatorics, algebraic geometry, algebraic topology, commutative algebra and representation theory. The connections between the Lefschetz property and other areas of mathematics are not only diverse, but sometimes quite surprising, e.g. its ties to the Schur-Weyl duality. This is the first book solely devoted to the Lefschetz properties and is the first attempt to treat those properties systematically.Introduction and Historical Note.- 1. Poset Theory.- 2. Basics on the Theory of Local Rings.- 3. Lefschetz Properties.- 4. Compete Intersections with the SLP.- 5. A Generalization of Lefschetz Elements.- 6. k-Lefschetz Properties.- 7. Cohomology Rings.- 8. Invariant Theory and Lefschetz Property.- 9. The Strong Lefschetz Property and the Schur-Weyl Duality.