Planet Wilson 1894 AW

A model of AW UMa

The contact binary AW UMa has an extreme mass ratio, with the more massive component close to the main sequence, while the low mass star at q ≈ 0.1 has a much larger radius than a main sequence star of a comparable mass. We propose that the secondary has almost exhausted hydrogen in its center and is much more advanced in its evolution, as suggested by Stȩpień. Presumably the secondary lost mos...

Active Lattices Determine Aw*-algebras

We prove that AW*-algebras are determined by their projections, their symmetries, and the action of the latter on the former. We introduce active lattices, which are formed from these three ingredients. More generally, we prove that the category of AW*-algebras is equivalent to a full subcategory of active lattices. Crucial ingredients are an equivalence between the category of piecewise AW*-al...

Diagonalizing Matrices over Aw*-algebras

Every commuting set of normal matrices with entries in an AW*algebra can be simultaneously diagonalized. To establish this, a dimension theory for properly infinite projections in AW*-algebras is developed. As a consequence, passing to matrix rings is a functor on the category of AW*-

Edward Joseph Conway, 1894-1968

Ernest Basil Verney, 1894-1967.

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