3 years ago

Trace Characterizations and Socle Identifications in Banach Algebras.

Francois Schulz, Rudi Brits, Gareth Braatvedt

As a follow-up to a paper of D. Petz and J. Zem\'anek [4], a number of equivalent conditions which characterize the trace among linear functionals on matrix algebras, finite rank operators and the socle elements of semisimple Banach algebras in general are given. Moreover, the converse problem is also addressed, that is, given the equivalence of certain conditions which characterize the trace, what can be said about the structure of the socle? In particular, we characterize those socles isomorphic to matrix algebras in this manner, as well as those socles which are minimal two-sided ideals.

Publisher URL: http://arxiv.org/abs/1808.06333

DOI: arXiv:1808.06333v1

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