Donald E. Carlson (1938–2010), A Diminutive Giant

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...

A Geometric Approach to the Carlson Problem

The possible observability indices of an observable pair of matrices, when supplementary subpairs are prescribed, are characterized when the “quotient” one is nilpotent. The geometric techniques used are also valid in the classical Carlson problem for square matrices.

The Dutch diminutive

In this paper a new analysis is presented of the allomorphy of the Dutch diminutive suffix. There is one long allomorph (-etje) and four short allomorphs (-tje, -pje, -kje and -je). With respect to the choice between the long and short versions, this article compares two types of analyses, which appeal to the structural organisation of the stem (rather than to the segmental properties of the st...

On Shafer and Carlson Inequalities

Matt Carlson traditional journalistic roles

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