The Weak and Strong Lefschetz Properties for Artinian K-Algebras

T. Harima, J. Migliore, U. Nagel +1

Let A = bigoplus_{i >= 0} A_i be a standard graded Artinian K-algebra, where char K = 0. Then A has the Weak Lefschetz property if there is an element ell of degree 1 such that the…