activity
20022020
most citedA new application of Random Matrices: Ext(C*_{red}(F_2)) is not a group

38 citations · 58 across the 6 of their papers we have counts for

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Showing 2004Show all

1 paper · 1 filter

math.OA2004★ 4 cited

A Random Matrix Approach to the Lack of Projections in C*_red(F_2)

Uffe Haagerup, Hanne Schultz, Steen Thorbjornsen

In 1982 Pimsner and Voiculescu computed the K_0- and K_1-groups of the reduced group C*-algebra C*_red(F_k) of the free group F_k on k generators and settled thereby a long standin…