Commutative Algebra: 150 Years With Roger and Sylvia Wiegand

From the publisher:

To celebrate the cumulative ages of Roger and Sylvia Wiegand, both fixtures in the commutative algebra community, one conference was held in Sao Paulo, Brazil, during July 2019 and another in Madison, Wis., during September 2019. The combined proceedings contain 16 papers on such topics as examples of multiplicities and mixed multiplicities of filtrations, the Etale locus in complete local rings, magic squares of squares over a finite field, a generalization of coefficient ideals and an upper bound for the first Hilbert coefficient of Gorenstein algebras and modules.

Chapter by Susan Loepp, mathematics professor, with contributing work by Erica Barrett ’21 and Emil Graf ’21