Title:     Embeddings of DI2 in F4

Authors:   Carles Broto and Jesper Moller

AMS class: 55R12, 55P15

Address:   Carles Broto
           Departament de Matematiques, 
           Universitat Autonoma de Barcelona, 
           08193 Bellaterra, 
           Spain 


Address:   Jesper Moller
           Matematisk Institut
           Universitetsparken 5
           DK-2100 Copenhagen
           Denmark


Abstract:

We show that at the prime 3, the Dickson space BDI2 is the homotopy
fixed point space for an action of Z/2 on the BF4. We classify all
embeddings of DI2 into F4.