Marcy Carlson Speer 1959–2007

A Tribute to Marcy Carlson Speer, 1959–2007

It is with great sadness that we say goodbye to Marcy Carlson Speer, who died on August 4, 2007, at the age of 47 after a two-year battle with breast cancer. Marcy was an extremely accomplished scientist who, at the time of her death, was the director of the Duke Center for Human Genetics and chief of the Division of Medical Genetics. During her career, she published 124 articles and 16 book ch...

Generalized Benson-carlson Duality

1.1. Background. This paper deals with the landmark results of Benson and Carlson's Projective resolutions and Poincar e duality complexes [6]. Our goal is to provide some necessary background for that work, and to prove some of the results of [6] in a more general setting. In particular, we analyze what happens when we replace Benson and Carlson's complex C (in the notation of [6]) with an arb...

On Shafer and Carlson Inequalities

Matt Carlson traditional journalistic roles

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COINCIDENCE FOR SUBSTITUTIONS OF PISOT TYPE by Marcy Barge &

— Let φ be a substitution of Pisot type on the alphabet A = {1, 2, . . . , d}; φ satisfies the strong coincidence condition if for every i, j ∈ A, there are integers k, n such that φn(i) and φn(j) have the same k-th letter, and the prefixes of length k − 1 of φn(i) and φn(j) have the same image under the abelianization map. We prove that the strong coincidence condition is satisfied if d = 2 an...